ALBERT

All Library Books, journals and Electronic Records Telegrafenberg

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • Fisheries  (387)
  • Inorganic Chemistry
  • Lagos (Nigeria)  (143)
  • California Department of Fish and Game, Marine Resources Operations  (141)
  • Training Department, Southeast Asian Fisheries Development Center
  • 1
    facet.materialart.
    Unknown
    Occurrence of Anisakids nematodes on frozen hake (Merluccius capensis) in Yenagoa market, Bayelsa State, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23419 | 19325 | 2018-04-25 19:19:35 | 23419 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Samples of the frozen hake (Merluccius capensis) were obtained once a week as corresponding to supply in Yenagoa Market Bayelsa State, Nigeria. From every supply of 10 cartons, 10 pieces of hake were examined for the presence of Anisakids nematodes. The incidence was concluded after sampling continuously every week for 8 weeks between September-November 2009. The highest parasite burden (13.2 ~c 2.28) was recorded in the second week and the lowest (8.5~c 2.9) in the 7th week, the highest mean weight of fish sample calculated was 134.80 ~c 19.16 gm in the 4th week and lowest in the 5th week with 118.30 ~c 3.56 g. The mean length was highest (29.10 ~c 1.90cm) in the second week and lowest (26.40 ~c 1.88 cm) in the 7th week. The percentage infection was 96.25% and very alarming since only 3 pieces were not infected as observed from all the samples examined.
    Description: Includes:- 1 table.;4 figs.;13 refs.
    Keywords: Fisheries ; Merluccius capensis ; Nigeria ; Yenogoa ; freshwater environment ; Parasites ; Parasite attachment ; Infectious diseases ; Frozen products ; Fish spoilage
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 36-40
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 2
    facet.materialart.
    Unknown
    Isolation, identification and prevalence of parasites on Oreochromis niloticus from three selected river systems (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23427 | 19325 | 2018-05-02 08:03:50 | 23427 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The prevailence of protozoan and helminthic parasite species occurring on and in the internal organs of Oreochromis niloticus were studied. Twenty samples of a mixture of adult and juvenile individuals of Oreochromis niloticus were randomly obtained from fishermen landing at the jetties of Epe water side, Ikorodu (Odoguyan) river and a brackish water (makoko), between September and and October, 2009, during a period of low rainfall. Samples were eviscerated and the parasites were excised, identified and each specie of parasites was counted. Most of the parasites encountered were of the Protozoa, manogenea, Digenea, Cestoda and Nematoda groups. The infestation was predominantly by Nematoda species and followed by protozoan species. Protozoan parasites like Trichodina sp and Ichyobodo sp were found to be prevalent, in varying magnitude, in most of the fish samples without clear age discrimination. The study reveals that the prevailence of parasites infestation increases with increasing length, size and age of the fish host and different pars of the fish.
    Description: Includes:- 6 tables.;11 refs.
    Keywords: Ecology ; Fisheries ; Oreochromis niloticus ; Nigeria ; Epe ; Nigeria ; Ikorodu ; Nigeria ; Ogun R. ; freshwater environment ; Parasites ; Identification
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 78-87
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 3
    facet.materialart.
    Unknown
    Functional roles of mangroves of the Niger Delta to the coastal communities and national economy (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23434 | 19325 | 2018-05-02 08:11:31 | 23434 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Mangrove swamps supply various goods and provide invaluable ecological services, especially as critical habitats for fish breeding. These functions are discussed in the context of rural livelihoods of coastal dwellers in the Niger Delta in particular, and the contribution to national economies in general. The decline in capture fisheries production in Nigeria is partly linked to massive mangrove loss in the Niger Delta. This provides basis for urgent evolution of effective mangrove conservation schemes in the Niger Delta and for focused research on the interaction between the delta mangroves and inland/coastal fish recruitment and production dynamics.
    Description: Includes:- 23 refs.
    Keywords: Ecology ; Fisheries ; Nigeria ; Mangroves ; brackishwater environment ; Mangroves ; Fishery economics
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 119-123
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 4
    facet.materialart.
    Unknown
    The last standing mangrove forest ecosystem southeast of the Niger Delta (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23437 | 19325 | 2018-05-02 08:15:15 | 23437 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Standing on the abandoned jetty at Iwuochang / Upenekang fishing beach in 1999 [Ibeno LGA, Akwa Ibom State] and looking across the Qua Iboe River [en-route the Atlantic Ocean] were strips of luxuriant mangrove vegetation all around the estuary. Surprisingly, 10 years later still standing on the same jetty and looking across the same River also, all the vegetation round about the estuary are now replaced by nipa palms with pockets of mangrove plants. The fear of the paper is that, there may be crash in fish supply from the coastal waters of Nigeria in the near future. The time to act is now and FISON must be pro-active in this coastal re-construction and re-habilitation. Nigeria’s coastal water is a ‘food-basket’; much should be done to protect and jealously cherish it ? else, it may be the last standing mangrove forest ecosystem southeast of the Niger delta.
    Description: Includes:-14 refs.
    Keywords: Ecology ; Fisheries ; Nigeria ; Akwa Ibom ; brackishwater environment ; Brackishwater environment ; Mangroves ; Fishery development ; Fishery management ; Mangrove swamps
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 134-137
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 5
    facet.materialart.
    Unknown
    Occupation and health hazards in Nigerian coastal artisanal fisheries (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23436 | 19325 | 2018-05-02 08:13:37 | 23436 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: There are more occupational and health hazards in the Fishing Industry than in other occupational categories in the world. In Nigerian Industrial Fisheries, safety measures are regulated while little attention is given to safety standards in the artisanal fisheries. In West Africa, the coastal artisanal canoe fatality rates have been given in 1991-1994 to be 300 to 1,000 per 100,000 fishermen. Thus, the fatality rate in Nigerian artisanal fisheries, (coastal states) has been estimated to be 999 to 3,329 per 100,000 fishermen. The high rate is due to piracy, boundary disputes between fishing communities, unemployment, societal low value for human life and human labour. The paper discusses the various types of accidents associated with artisanal coastal fisheries and give recommendations. Fishermen have rights to safe working conditions in their working environment just as workers in offices and factories on land.
    Description: Includes:-11 refs.
    Keywords: Engineering ; Fisheries ; Sociology ; ASE ; Nigeria ; brackishwater environment ; Hazards ; Navigational hazards ; Hazard assessment ; Health and safety ; Safety regulations
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 128-133
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 6
    facet.materialart.
    Unknown
    Mercury content of some canned seafood collected from Nigerian retail markets (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23444 | 19325 | 2018-05-02 08:30:46 | 23444 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Twenty samples of canned seafood consisting of tuna, mackerel, sardines, prawn and shrimp were collected from retail operations in Victoria Island, Lagos, Nigeria. Mercury content in these canned seafood were determined after digestion by the Association of Official Analytical Chemists methods. The mercury contents for all the canned seafood products have concentrations well below the permissible EU levels for this toxic metal. Their contribution to the body burden can therefore be considered negligible and the canned seafood products seem to be safe for human consumption.
    Description: Includes:-1 table.;13 refs.
    Keywords: Fisheries ; Pollution ; Nigeria ; freshwater environment ; Mercury ; Heavy metals ; Pollution ; Chemical pollution
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 171-173
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 7
    facet.materialart.
    Unknown
    Impact of oil exploration on fisherfolks' livelihood and safety of fisheries industry in Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23443 | 19325 | 2018-05-02 08:29:36 | 23443 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: There have been many outcries in the Nigerian media on the various environmental degradation of the vast water space in the Niger Delta area of Nigeria by oil explorers. About 70% of the Nigerian populace lives in the coastal areas where the occupation is predominantly fishing and farming. For most of the publications, the extents of impact on the fishing industry are not addressed in order for solutions to be given. Production from the fisheries sector has dropped astronomically thereby earning the country a deficit due to importation of frozen fish to the country. In this study, a survey of three states (Bayelsa, Rivers and Delta) in the Niger Delta area of Nigeria was done. The communities studied include Ogulagha, Okobelema and Okpoama. Personal interviews with fishermen and primary data on the sector’s contribution to fish production and GDP were also carried out. The study aimed at finding out the sources and nature of degradation and the impacts such have on the fishing industry and the socio-economics of the fishermen. The study revealed that there are no significant difference in the negative impacts of environmental degradation caused by the activities of the oil companies on the socio-economics of the fishermen ((F2,27=0.59, P〉0.05)) The difference is not significant and the hypothesis is therefore accepted. The major impact on fishing was depletion in catches and low income earnings by fishermen with a resultant poor quality of living and livelihood. Oil spills, foreign vessels incursions and bunkering, vandalization of pipelines were identified sources of depletion in fish catches from the wild. The personal interviews and Focus Group Discussion (FGDs) showed that most heads of communities rely on the remuneration they get from the companies and refused to mobilize the fishermen for joint action against the oil companies. Mitigation measures usually carried out by the oil companies do not actually replenish the destroyed mangroves where breeding of fishes take place. The communities need the Government to institute high level surveillance of the high seas and monitor the activities of oil explorers as well as education of the communities on the effects of bunkering near shoreline.
    Description: Includes:- 1 table
    Keywords: Fisheries ; Pollution ; Sociology ; Nigeria ; Delta State ; Nigeria ; Bayelsa State ; Nigeria Rivers State ; brackishwater environment ; Degradation ; Pollution effects ; Oil spills ; Oil pollution
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 158-161
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 8
    facet.materialart.
    Unknown
    Bioaccumulation of heavy metals in freshwater Clarias anguillaris and Parachanna africana from Lake Geriyo in Yola, Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23447 | 19325 | 2018-05-02 08:36:01 | 23447 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: This study was carried out to determine the bioaccumulation of heavy metals in Clarias anguillaris and Parachanna africana from Lake Geriyo Yola, Nigeria using energy dispersive X-ray fluorescence (EDXRF) spectrophotometer. The results in (mg/kg, dry weight) showed different levels of Cr, Cu, Mn, Fe, Ni, Zn, and Pb in the two fish species. The order of heavy metals accumulated by C. anguillaris and P. africana are Cr〉Fe〉Zn 〉 Mn〉Cu〉Ni〉Pb and Ni〉Fe〉Zn〉Cu respectively. The levels of Cr, Mn and Ni in C. anguillaris and in Ni in P. africana were higher than WHO and FEPA recommended maximum permissible limits (MPL) in fish, while the levels of Zn, Cu and Pb were below the standards. The results suggest that Lake Geriyo has high pollution loads of these heavy metals in fishes and could pose a health hazards to man. Consequently, close monitoring of heavy metal loads in Lake Geriyo is recommended with a view to minimizing the risks to health of the population that depend on the lake for their water and fish supply.
    Description: Includes:- 1 table.;13 refs.
    Keywords: Fisheries ; Pollution ; Clarias anguillaris ; Nigeria ; Geriyo L. ; freshwater environment ; Bioaccumulation ; Pollution effects ; Heavy metals ; Hazard assessment
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 185-188
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 9
    facet.materialart.
    Unknown
    Effects of length of delay after slaughter (Lodas) on raw catfish Clarias gariepinus (Burchell, 1822) (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23418 | 19325 | 2018-04-25 19:17:12 | 23418 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The effect of delay after slaughter on microbial quality, proximate composition and sensory scores of raw catfish, Clarias gariepinus was evaluated. A total of 52 live catfish (average weight 700.0~c7.0g) were used for the experiment. Ten freshly slaughtered fish samples each were selected for organoleptic assessment at 0, 4, 8 and 12 hours post-slaughter, while three fish samples each were selected for chemical and microbial analyses. Microbial load on fish samples increased significantly (P〈 0.05) with increase in length of delay after slaughter, LODAS. Bacteria isolated included Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Bacillus spp and Staphylococcus aureus. Percent protein and ash contents of fish samples increased with increasing LODAS, while moisture content decreased and lipid was not affected. It was observed that raw C. gariepinus retained most of its physical attributes up to 4 hours post-slaughter. These quality attributes except colour and odour of gills, deteriorated significantly (P 〈 0.05) at every successive four-hour post-slaughter interval. Significant negative correlation existed between LODAS and sensory quality of raw fish (eyes, r = -0.966, P 〈 0.05; gills, r = -0.980, P 〈 0.05; skin, r = -0.998, P 〈 0.01; and odour, r = -0.994, P 〈 0.01). This study established that quality of raw C. gariepinus deteriorated with increasing LODAS and that raw C. gariepinus was not totally unacceptable when delayed for 12 hours after slaughter at ambient temperatures.
    Description: Includes:- 5 tables.;17 refs.
    Keywords: Aquaculture ; Fisheries ; Clarias gariepinus ; Nigeria ; Lagos ; Proximate composition ; freshwater environment ; Organoleptic properties ; Fish spoilage ; Microbiological analysis ; Microbial contamination
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 30-35
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 10
    facet.materialart.
    Unknown
    Aqua-tourism potentials in some fishing sites in bitumen bearing wetlands of Ondo State, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23433 | 19325 | 2018-05-02 08:09:53 | 23433 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: A 24-month survey was conducted during the wet (May- August) and Dry (October ?April) season of 2004 and 2006 along eight economic fishing sites in Ondo State bearing Wetland, with the aim of determining the abundance, species diversity of some ornamental species thus promoting ecotourism potential and preventing the loss of these species in the area during and after exploitation. The study was carried out in 4 study zones namely Odigbo (S1), Ode-Aye (S2), Okitipupa (S3), and Ilaje ese-odo (S4) noted for active bitumen seepage. Fishing potential of the area was assessed using catch per unit effort method as well as physico chemical analysis of water samples obtained from designated sites in the area in accordance with AOAC methodology. Fish compositions were assessed using multifilament gillnet, of different sizes hanging from 38 mm to 178 mm. The results revealed that the area is blessed with 24 economic species of fishes belonging to 13 families which could boost the tourist potential of Ondo State. The percentage composition of families identified varies as follows: Ariidae (2.04%), Anabantidae (3.27%), Bagridae (6.36%), Channidae (4.32%), Characidae (10.62%) Cichlidae (45.65%) Clupeidae (3.94%), Clariidae (11.78%), Hepsetidae (0.95%), Mormyridae (7.42 %), Malapteruridae (1.13%), Schilbiidae (1.76%), Polypteridae (0.76%). The family Cichlidae was the most abundant in the area during the study period. The diversity of fish during the study varied with locations and season .The study showed higher fish population during the dry season than raining season and lower population in study zones highly polluted by bitumen seepages. The study emphasizes the need for sustainable resource management during bitumen exploitation.
    Description: includes:- 2 tables.;1 fig.;12 refs.
    Keywords: Fisheries ; Nigeria ; Ondo State ; freshwater environment ; Fish consumption ; Tourism ; Recreation ; Stock assessment
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 114-118
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 11
    facet.materialart.
    Unknown
    Issues and constraints in the coastal fisheries of the Niger Delta area of Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23435 | 19325 | 2018-05-02 08:12:28 | 23435 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The Niger Delta serves as the economic nerve centre of the Nigeria Federation with its vast oil deposits. However the question is how far has the coastal fisheries thrived in the Niger delta since the discovery of crude oil? Fishing is the predominant occupation in the coastal communities. The Niger Delta is home to Nigeria’s oil industry. However, this ‘blessing’ has become a challenge for the people of the Niger Delta. They have suffered environmental devastation, economic poverty, and constant conflict. This paper discusses issues and challenges facing fisheries development in Niger-Delta area of Nigeria.
    Description: Includes:- 6 refs.
    Keywords: Fisheries ; Nigeria ; Niger Delta ; marine environment ; Fishery development ; Resource development
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 124-127
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 12
    facet.materialart.
    Unknown
    Toxicity of drilling fluid XP-07 on microbial load and survival of Oreochromis niloticus fingerlings (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23441 | 19325 | 2018-05-02 08:26:44 | 23441 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Static bioassays were carried out in the laboratory for 96h to investigate the effect of Parateq a synthetic base mud on the fingerling of Orechromis niloticus and their microbial population. The fingerlings were exposed to different concentrations (0, 1000, 3000, 5000 and 9000Mg/l) of drilling fluid. Fish mortality data were recorded at 24, 48, 72 and 96h and analysed using Finney’s Probit Analysis method to calculate LC50 values (concentration of drilling fluid in water that will kill 50% of the fish population in 96 hours). The 96h LC50 was 2210Mg/l.The mortality increased with increase in concentration, while, the lethal times decreased as concentration increased. The bacterial biomass ranged from 1.59 x 108 to 6.0 x 106CFU/ml while fungal biomass ranged from1.0 x 103 to 2.1 x 104 CFU/ml. Results revealed that there was an increase in fungal biomass with increase in mud concentration and a decrease in bacterial biomass with increase in mud concentration.
    Description: Includes:- 2 tables.;1 fig.;20 refs.
    Keywords: Biology ; Fisheries ; Pollution ; Oreochromis niloticus ; Nigeria ; Aluu Rivers State ; freshwater environment ; Toxicity ; Microbiological analysis ; Microbial contamination ; Pollution effects ; Chemical pollutants
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 147-152
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 13
    facet.materialart.
    Unknown
    Toxicity of herbicide Propanil on Oreochromis niloticus fingerlings (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23438 | 19325 | 2018-05-02 08:16:59 | 23438 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: A static bioassay method to determine the acute toxicity of the herbicide propanil to Oreochromis niloticus was investigated under Laboratory conditions for 96 hours exposure period. Concentrations of propanil used include: 0.0096ml/l, 0.0103ml/l, 0.011ml/l and 0.012ml/l respectively. The lethal concentration (LC50) value of propanil on fingerlings of Oreochromis niloticus was 0.0097ml/l for 96 hours of exposure. The regression equation for probit kill from propanil was found to be Y = 29.84 + 12.33* log conc. (r2 0.9951, Y = Probit kill). Fish showed various abnormal behaviours upon exposure to propanil. Immediate reaction was erratic swimming and tendency to jump out of the test bowl. Others include: restlessness, un-coordinated movement, vertical swimming, air gulping, equilibrium loss, a period of quiescence and eventually death.
    Description: Includes:- 2 tables.;1 fig.;21 refs.
    Keywords: Fisheries ; Pollution ; Oreochromis niloticus ; Nigeria ; Markudi ; freshwater environment ; Toxicity ; Lethal effects ; Toxicants ; Pollution effects ; Fingerlings ; Herbicides
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 138-143
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 14
    facet.materialart.
    Unknown
    Relationship among Tilapia guineensis fingerlings abundance and water quality variations in a brackish water reservoir in Lagos (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23442 | 19325 | 2018-05-02 08:28:15 | 23442 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: In recent times there has been an upsurge in the culture of Tilapia in Nigeria resulting in increased demand for the fingerlings which is hardly satisfied. This is due to increasing demand for table size tilapia as food fish and under-sized tilapia in the fish meal and fish canning industries in Nigeria. Collection of Tilapia guineensis fingerlings from the wild, to augment hatchery production, has been the practice and this is subject to environmental fluctuations. Multivariate regression and correlation analyses of accumulated data were used to investigate the effects of changes in water quality parameters on abundance of fingerlings of Tilapia guineensis in a brackishwater habitat in Lagos. Dissolved oxygen (DO), salinity and secchi transparency were found to be the most dominant factors affecting the abundance of Tilapia guineensis fingerlings in the Lagos lagoon. Peak period of abundance was closely associated with period of low salinity (0.50%o to 5.60%o), which coincided with the period of low transparency and low DO in the rainy season. The correlation analyses of Tilapia guineensis fingerlings with the water quality parameters yielded the following correlation coefficients (r)- 0.598; (salinity); -0.644 (transparency); -0.710 (DO); -0.566; (temperature) and 0.129 (pH). The abundance of Tilapia guineensis fingerlings in the Lagoon was ultimately defined by a suitable regression equation. This result is expected to optimize the collection of fingerlings of Tilapia guineensis from the wild and boost food fish security in Nigeria and elsewhere.
    Description: Includes:- 1 table.;1 fig.;( refs.
    Keywords: Chemistry ; Fisheries ; Tilapia guineensis ; Nigeria ; Port Harcourt ; brackishwater environment ; Water quality ; Fingerlings ; Chemical properties ; Physicochemical properties
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 153-157
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 15
    facet.materialart.
    Unknown
    Effects of locust bean (Parkia bigtobosa) effluent on the histology of Clarias gariepinus juveniles (Burchell 1822) (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23448 | 19325 | 2018-05-02 08:37:49 | 23448 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The poor nature of most Agricultural processing practices in Nigeria have had adverse effect on our environment, and our aquatic resources are of no exception. This study was conducted to ascertain the median lethal concentration of the effluent within the 96 hours period and also to ascertain the extent of damage on some of the histological characteristics of the Clarias gariepinus juveniles. Juveniles of the Clarias gariepinus (mean weight 30g) were exposed to varied concentrations of the locust bean effluent under the standard laboratory conditions. Data on mortality corresponding to the various concentrations were subjected to the probit and logit transformations and used to calculate the LC50 graphically. The result shows the toxicity of the locust bean effluent to Clarias gariepinus juveniles as 0.089mg/L (treatment 4) during the period of study. Exposure to both the acute and subletheal concentrations resulted in a number of physiological dysfunction of the test fish. Observation of the fish under the tests revealed unbalanced swimming patterns loss of reflex, rapid opercular movements and gasping for air. Histopathological examination of the gill and liver of the treated fish showed signs of damage, ranging from Hypoxia, lesions, necrosis, fibrosis cell stasis and hyperplasia at the sublethal levels.
    Description: Includes:- 2 tables.;1 fig.;22 refs.
    Keywords: Fisheries ; Pollution ; Clarias gariepinus ; Nigeria ; Parkia bigtobosa ; freshwater environment ; Toxicity ; Lethal effects ; Pollution ; Histology
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 189- 195
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 16
    facet.materialart.
    Unknown
    A brief examination of the food and biometric features of the grey mullet, Mugil cephalus (Linnaeus) from low brackish / fresh water lagoon (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23452 | 19325 | 2018-05-04 17:37:43 | 23452 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: A total number of 166 specimens of Mugil cephalus caught from Epe Lagoon (low brackish/ freshwater) were examined for food and feeding habit and biometric features from November 2006 ? May 2007. The food of the species consisted mainly of algae (Bacillariophyta, Cyanophyta, Chlorophyta and Pyrrophyta) and detritus. The size range of fish examined were 12.4 ? 27.0cm (standard length) while the weight ranged from 22.40 ? 308.00g. The mean values of the biometric characters of Mugil cephalus did not reflect wide variations. The population dominant cohort in the lagoon represents the harvestable and marketable representative for a sustainable fishery and is a strong indication of potential for freshwater culture of this marine species.
    Description: Includes:- 2 tables.;1 fig.;23 refs.
    Keywords: Ecology ; Fisheries ; Mugil cephalus ; Nigeria ; Epe Lagoon ; freshwater environment ; marine environment ; Feeding behaviour ; Food preferences ; Biometrics
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 226-231
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 17
    facet.materialart.
    Unknown
    Fish diversity in two reservoirs in Southwest Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23458 | 19325 | 2018-05-04 17:48:45 | 23458 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: This study investigated the fish diversity of Eko ? Ende and Owalla reservoirs, which are within the Osun river system in South West, Nigeria with a view to document biodiversity information needed for conservation and sustainable fisheries. Fish samples were collected monthly from the two reservoirs for one year, using a battery of multifilament gill nets. The data collected from each reservoir was analyzed for fish diversity. Information obtained on the forage / carnivore (F/C) ratio of fishes in each reservoir was used in measuring and comparing the ecological balance of the reservoirs. The results showed that eighteen fish species representing 16 genera and 10 families were identified in Eko ? Ende, while 17 fish species in 15 genera and 10 families were identified in Owalla during the period of study. Sixteen species (representing 84.2% of the total number of fish species) were common to both reservoirs and they were both dominated by Cichlids. Eko ? Ende Reservoir had greater fish diversity than the Owalla Reservoir. Shannon ? Weiner (H') index of fish diversity from Eko ? Ende reservoir was 2.37 while that from Owalla reservoir was 2.10. The forage / carnivore (F/C) ratios of the fishes from the two reservoirs showed that Eko ? Ende reservoir (F/C = 1.98) is ecologically balanced, while Owalla reservoir (F/C = 0.92) is not Owalla reservoir had a higher population of Hemichromis fasciatus (a predatory species). This reservoir also had more intensive fishing activities than the smaller Eko ? Ende reservoir. The study concludes on the need for a participatory research to alleviate the problem of ecological imbalance of fish species in Owalla reservoir.
    Description: Includes:- 4 tables.;28 refs.
    Keywords: Ecology ; Fisheries ; Nigeria ; Eko-Ende Reservoir ; Nigeria ; Owalla Reservoir ; freshwater environment ; Biodiversity ; Species diversity ; Check lists
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 258-265
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 18
    facet.materialart.
    Unknown
    Fatty acid composition of catfish (Clarias gariepinus) viscera oil (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23502 | 19325 | 2018-05-07 12:25:41 | 23502 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The fatty acid composition of oil extracted from the viscera of African catfish, Clarias gariepinus caught from a fish farm in New Bussa was investigated with a view to prove their usefulness. A total of 20 fatty acids were obtained out of which five were identified. Lauric, Palmitic and Stearic acids were the main saturated and monounsaturated fatty acids respectively. The principal acids in the polyunsaturated group were Oleic and Linoleic acids. C. gariepinus viscera is constituted of polyunsaturated fatty acids which make it a valuable pharmaceutical raw material rather than waste.
    Description: Includes:- 1 table.;10 refs.
    Keywords: Fisheries ; Clarias gariepinus ; Nigeria ; New Bussa ; freshwater environment ; Fatty acids ; Polyunsaturated fatty acids ; Chemical properties
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 516-518
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 19
    facet.materialart.
    Unknown
    Proximate analysis of snakehead fish, Parachanna obscura (Gunther 1861) of the Cross River, Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23509 | 19325 | 2018-05-08 15:33:45 | 23509 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: African snakehead, Parachanna obscura is being considered as an emerging aquaculture candidate in Nigeria. The species is very palatable and has a good fillet quality. Study was conducted on the proximate composition of the species from Cross River, Nigeria. Samples of snakehead were analyzed for protein, fat, moisture, crude fibre and ash contents. The protein content of the species ranged from 21.03-22.03 with mean value of 21.5%. The fat content ranged from 17.1-17.4% with a mean value of 17.2 %. Moisture content ranged from 51.1-52.0 % with a mean value of 51.7%. Ash and crude fibre contents were very low. The protein content of Parachanna obscura compares favourably with that of other members of the family Channidae. The fat content is exceptionally high, making the species a good healing and recuperating agent for post-natal and post-operation patients. We strongly recommend the culture of Parachanna obscura in Nigeria and its meal for growing children.
    Description: Includes:- 2 tables.;16 refs.
    Keywords: Fisheries ; Parachanna obscura ; Nigeria ; Calabar ; Proximate composition ; freshwater environment ; Proteins ; Body conditions ; Moisture ; Ash content
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 556-560
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 20
    facet.materialart.
    Unknown
    Lipid profile and blood by-products of deformed and healthy African mud catfish (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23507 | 19325 | 2018-05-08 15:28:31 | 23507 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Study was conducted to investigate lipid profile and metabolites in deformed (lost one or both pectoral fins) and healthy (both pectoral fins intact) African mud catfish C. gariepinus using three groups of adults male and female with a mean weight and standard length of 822.17~c 48.75g and 42.55~c.26cm respectively. The fish were allotted in replicates to 5000m capacity tanks based on the presence or absence of pectoral fins. 1mL blood was drawn from caudal peduncle of each fish by means of disposable sterile syringe and centrifuged at 1000rpm for 20min at 40C. Cholesterol and total protein were determined using the cholesterol FL (CT F400CH) and total protein (TP 0500CH) kits. Serum albumin and globulin concentrations were determined following methods described by Tietz (1995) and Buckley et al., (1976) while total serum bilirubin concentration was measured as outlined by AACC (American Association of Clinical Chemistry). Results indicate that male fish had relatively higher amount of triglyceride while female fish had higher amounts of cholesterol, reduction in globulin of the deformed fish, reduction in the concentrations of albumin in healthy fish, increase in total protein and globulin levels and high urea concentrations. No total bilurubin was detected in any of the fish sampled thus an indication of good liver function which means there was no liver dysfunction or liver damage in the fishes. It is evident therefore that abnormal fish can still perform better if they are given intense management because of the variability in their blood constituents with the normal fishes which is used to assess their health is minimal. Keywords: Blood, Cholesterol, Deformed, Healthy, C. gariepinus.
    Description: Includes:- 2 tables.;30 refs.
    Keywords: Fisheries ; Clarias gariepinus ; Nigeria ; Badagry ; freshwater environment ; Lipids ; Blood ; Cholesterol ; Metabolites
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 543-549
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 21
    facet.materialart.
    Unknown
    Enforcement of inland fisheries regulations and law in Oyo State (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23514 | 19325 | 2018-05-08 15:41:07 | 23514 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The study assesses the enforcement of Inland Fisheries Regulations and Laws in Oyo State. This was done with a view to ascertaining the existence of regulations and laws that govern the inland waters of the state; the agents that are responsible to carry out the enforcement and the problems militating against the effectiveness of enforcement in the state, in order to provide relevant information for policy formulation and management of fishery resources. Information was gathered from secondary sources which include edicts for the state, journals and mass media reports. Personal interview with government fisheries officials and fishermen was also conducted. The research findings revealed that Oyo State has only fishing by-laws. The study also reveals that fishermen's co-operatives were the enforcement agents in the state. There was no record of arrest during the period of the study. Problems such as non- availability of surveillance and arresting equipment, lack of trained law enforcement fisheries officers were identified. The paper elaborates on possible management strategies of inland waters as a prelude towards increased fish production in the State.
    Description: Includes:- 11 refs.
    Keywords: Fisheries ; Law ; Nigeria ; Oyo State ; freshwater environment ; Legislation ; Fishery industry legislation ; Fishery regulations
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 585-589
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 22
    facet.materialart.
    Unknown
    Micro-credit: financing fish production in Nigeria - a review (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23516 | 19325 | 2018-05-08 15:44:14 | 23516 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Microfinance refers to loans, savings, insurance, transfer services and other financial products targeted at low-income people. Artisanal fishing is a crucial source of livelihoods in developing nations, particularly for low-income families in rural areas where job options are limited. Nigeria depends heavily on revenues from natural resources, especially oil hence income from fishing is particularly important to Nigeria. Aquaculture is also being practiced with a growth rate that has increased over the years. Sources of funding for the operators of these sectors of the economy who are mostly poor peasants will ensure sustainable production and income generation. Informal microfinance groups have existed before the advent of formal microfinance. Microfinance institutions in Nigeria operate in an environment that is dominated by commercial banks. However, their high deposit rate makes them attractive to the low income group. This paper examines the emergence of microfinance institutions, their contributions to fisheries and aquaculture and constraints to be overcome to enable them serve the fisheries and aquaculture sector better.
    Description: Includes:- 1 fig.;14 refs.
    Keywords: Fisheries ; Management ; Nigeria ; freshwater environment ; Financial institutions ; Financial resources ; Financing ; Fisheries ; Fishery economics ; Fishery management
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 596-601
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 23
    facet.materialart.
    Unknown
    Fish trading: a tool for socioeconomic enhancement and poverty alleviation (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23519 | 19325 | 2018-05-08 15:49:39 | 23519 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: A study was conducted in Abeokuta, the Ogun State capital with the objective to investigate if fish trading could be a tool of poverty alleviation and socio-economic enhancement of the status of women in the household. A total of 120 correctly completed, structured and pre-tested questionnaires, out of the 150 administered to respondents, were retrieved for data analyses. Demographic data of the traders showed that all the respondents were women whose ages ranged from 15 to above 45 years. The ages of 33-45 years constituted 33.3% of the respondents while the age bracket of between 27-32 years constituted 23.3%. Majority (73.3%) were married while 25% were single-headed households (divorced or widowed). The study revealed that most of the respondents (approximately 61%) were able to meet their family expenditure jointly with their spouses while 28.3% of the respondents met the financial responsibilities of their families solely from the profit. Access to credit was found to be a major limitation. The study further revealed that 86.7% of the respondents would like to continue with the business because they were satisfied with the profit accruable to them from the trade.
    Description: Includes:- 3 tables.;19 refs.
    Keywords: Management ; Fisheries ; Nigeria ; Abeokuta ; Poverty alleviation ; freshwater environment ; Marketing ; Market research ; Women ; Fisheries
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 619-624
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 24
    facet.materialart.
    Unknown
    Policy and policy framework for growth of women's fisheries activities: accessing micro credit facilities for women in fisheries development as a fundamental human right (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23517 | 19325 | 2018-05-08 15:46:10 | 23517 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: This paper begins with a review of policy issues on status of women’s fundamental human rights and the effects on their optimal participation in fisheries development. The focus of the paper is on the importance of women in fisheries activities within the fisheries industry. Issues pertaining to gender inequality in the rural communities affecting women in the fisheries sector, and solutions to overcome some of these issues are discussed. The degree of participation of women in the fisheries sector is an overall reflection of the cultures, the laws of the country and the priority given by the state to ensure gender equity. Generally, women in Nigeria, especially those from depressed fisheries households, participate actively in many fisheries activities, including aquaculture. However, the lower status accorded to women in many of the communities in Nigeria means that their contribution to fisheries is undervalued and unrecognized. Issues that need to be addressed with regards to participation of women in fisheries which include sensitivity to gender issues in fishery, improve living conditions, promote programs relating to women, reconsidering the practice of relating fishing rights to their right to speak and others are discussed in the paper The paper also looks at the possibilities of articulating measures in sensitizing the womenfolks through education, especially in knowing their fundamental human rights as specified by the UN’s articles, especially ability to access micro-credit in fisheries activities, the nature of loans and alternative strategies to tackle the problem of small-scale credit to women in fisheries development in the nation.
    Description: Includes:- 2 tables.;2 figs.;12 refs.
    Keywords: Fisheries ; Sociology ; Nigeria ; Ibeju Lekki ; freshwater environment ; Women ; Fishery policy ; Financial institutions ; Financial resources ; Financing
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 602-612
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 25
    facet.materialart.
    Unknown
    Women's participation in lower Ikpa River fisheries of Akwa Ibom State, Nigeria: a case study of Ifiayong (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23523 | 19325 | 2018-05-09 12:27:39 | 23523 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Ifiayong is a small local village market where economically and commercially important fin and shellfishes are landed. It is located very close to the Five Star and Ibom Le Meridian Hotels at Nwaniba beach. Women functioned as transporters, sorters, processors, financiers, distributors and marketers of the thirty-two finfish families, seven shellfish species together with three turtles (reptiles) encountered at the study site. Socio-economic survey revealed that ninety-four women modally aged 46-55years (34; 36.17%) participated in the fisheries and frequently communicated in Efik (40; 42.55%), and were mostly drop-outs (40; 40.56%) in educational level and polygamous (35; 38.30%). The modal family size was 11-15 persons (45; 47.87%) who invested N 41,000 - N 50,000 (28; 29.79%). Problems encountered by these women together with the corresponding solutions and appropriate recommendations proffered were highlighted with the aim of making Ifiayong a revenue generating and tourism centre for Uruan Local Council and Akwa Ibom State Government.
    Description: Includes:- 1 table.;1 fig.;28 refs.
    Keywords: Management ; Fisheries ; Nigeria ; Ikpa R. ; freshwater environment ; Marketing ; Financing ; Women
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 649-655
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 26
    facet.materialart.
    Unknown
    Management implications of sex ratios of three palaemonid shrimp in the Cross River Estuary, south eastern Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23529 | 19325 | 2018-05-09 12:51:48 | 23529 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Information on sex composition of fish/shellfish species is important in determining reproductive potentials and estimating size structure of a given stock. Sustainable fisheries management options and policies usually rely on this aspect of the reproductive biology. In the present study, the sex ratios of three palaemonid shrimps, Macrobrachium macrobrachion, Macrobrachium vollenhovenii and Macrobrachium equidens were studied over an annual cycle with respect to gear type. Male: female relationship for M. macrobrachion caught with beach seine, pushnet and trap were 1:2.2, 1:2.1 and 1:2.15 respectively, while the M:F ratios for M. vollenhovenii were 1:1.27 (beach seine), 1:1.32 (pushnet) and 1:1.64 (trap). The overall M:F ratios during the annual cycle were 1:2.15 (M. macrobrachion), 1:1.47 (M. vollenhovenii), and 1:1.74 (M. equidens). The monthly sex ratios indicated that there were more females than males during the period, except for M. equidens which had a ratio of 1:0.78 in the month of August. This is advantageous for the stock dynamics of the species, especially if the males could mate with more than one female during any reproductive season.
    Description: Includes:- 1 table.;11 refs.
    Keywords: Biology ; Fisheries ; Macrobrachium equidens ; Macrobrachium macrobrachion ; Macrobrachium vollenhovenii ; Nigeria ; Cross River Estuary ; brackishwater environment ; freshwater environment ; Sex ratio ; Shrimp fisheries ; Reproductive cycle ; Population structure
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 694-697
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 27
    facet.materialart.
    Unknown
    Climate change: implications for fisheries and coastal aquaculture (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23531 | 19325 | 2018-05-09 13:01:07 | 23531 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: A keynote address at the 25th annual conference of the Fisheries Society of Nigeria. The paper presented evidence of climate change in the past and discussed the issue of global warming in the past, present and future. The Greenhouse effects are some of the topics discussed. Discussed in greater detail is the Nigerian situation in the global warming and climate change. The potential impacts on aquaculture has been enumerated. The paper is concluded by given suggestionswhich mitigate the impact of climate change and called on the Federal Ministry of Environment to strengthen research and other arms of government to create a strong synergy to work towards ameliorating the impact of climate change in the country.
    Description: Keynote address at the 25th Annual Conference of the Fisheries Society of Nigeria. Includes:- 2 tables.;6 figs.;6 plates;12 refs.
    Keywords: Aquaculture ; Ecology ; Fisheries ; Nigeria ; brackishwater environment ; freshwater environment ; marine environment ; Climatic changes ; Fisheries ; Aquaculture
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 1-38
    Format: 38
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 28
    facet.materialart.
    Unknown
    Shellfish resources in Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23528 | 19325 | 2018-05-09 12:49:35 | 23528 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Nigeria is a coastal state with a coastline of 853km which lies between 4o 10’ to 6o20’N and longitude 2o 45’ to 8o 5’ E. The Nigerian coastline stretches from the Western border with the Republic of Benin to the eastern border with the Cameroon Republic. Some of the coastal characteristics which are of importance to the Nigerian inshore demersal fisheries are the presence of thirty-six estuaries and the prominent Niger Delta which provides suitable habitat for the penaeid shrimps, finfish and other living marine resources. Nigeria has a wide variety of shellfish resources ranging from the molluscs such as ark clams (Senila senilis), cockles costatum), periwinkle (Tympanotonus fuscatus) to the crustaceans which includes the penaeidae (shrimps), palaemonidae (prawns), portunidae (swimming crabs) and palinuridae (lobsters). Estimated potential yield for shellfishes is 51,760 metric tonnes. Shrimps and prawns have the highest commercial importance with production estimate between 10,000 to 15,000mt. More than half of this figure is exported to the Organization for Economic Co-operation and Development (OECD) countries with shrimp market valued at US $8.6 billion. Nigeria generated about US $54million in 2005 from export of shrimps and prawns alone. This figure decreased to about US $38million in 2007 due to harassment by sea pirates and militant groups thus decreasing production from 13,767mt in 2006 to an alarming 5,995mt in 2007. However more research needs to be done to ascertain the true potential yield and environmental carrying capacity of the Nigerian shellfisheries to determine the maximum sustainable yield (MSY) so as to prevent over exploitation and consequently the destruction of the fishery. Research should also be carried out on other shellfish resources such as crabs, oysters, periwinkles and lobsters as appreciable income could be earned from their sales and export.
    Description: Includes: 2 tables.;1 fig.;11 refs.
    Keywords: Biology ; Fisheries ; ASE ; Nigeria Coast ; marine environment ; Shellfish fisheries ; Crustacean fisheries ; Mollusc fisheries
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 683-693
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 29
    facet.materialart.
    Unknown
    Effect of smoking duration on the microbiological quality of cold-smoked Atlantic cod, Gadus morhua (Linnaeus, 1758) (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23491 | 19325 | 2018-05-06 13:02:08 | 23491 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: This study evaluated the effect of varying smoking durations of 6, 6.5, 7 and 7.5 hours on the microbiological quality and percentage moisture content of cold-smoked Atlantic Cod, Gadus morhua. The fish sample were cold-smoked using the traditional drum oven. Four batches of the smoked fish were stored in metal baskets at ambient temperatures for a period of 12 days and assessed for Staphylococcus aureus and Escherichia coli loads, Mould count, Total Plate Count and Total Coliform Count. Analyses of the smoked fish samples were carried out at the initial stage (day 0) and subsequently every alternate days (i.e. days 2, 4, 6, 8, 10 and 12). Significant variations (P 〈 0.05) were obtained for all the microbial counts on the four smoked fish samples. The best microbiologically stable cold-smoked samples were that smoked at the longest duration of 7.5 hours. This produced the least mean microbial load range of TPC (1.50 x 103 - 2.00 x 105cfu/g); TCC varied from 0.0MPN/g to 12.0 MPN/g ; Mould count (1.32 x103 - 2.55 x 105 cfu/g) and Staphylococcus aureus (3.0 x103 - 1.35 x 105cfu/g) while percentage moisture content ranged between 25.3% to 15.2%. All the samples tested negative to Escherichia coli.
    Description: Includes:- 2 tables.;15 refs.
    Keywords: Fisheries ; Gadus morhua ; Nigeria ; Ogun State ; marine environment ; Microbial contamination ; Curing ; Processing fishery products
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 459-464
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 30
    facet.materialart.
    Unknown
    The opinion of fishermen and customers (fish buyers) on middlemen of Doro-Baga fish market, Borno State (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23518 | 19325 | 2018-05-08 15:48:25 | 23518 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The study examined the opinion of fishermen and fish buyers on middlemen of Doro Baga fish market. 240 respondents were used as samples with the aid of structured questionnaire, using stratified random sampling technique. Descriptive statistics was used to analyze the data obtained. The study revealed that majority of the fishermen (75%) highly depend on these selling brokers to sell their fish for them because their financial support comes from the selling brokers, moreover they do not have a stand in the market. Among the fish buyers, especially those that buy directly for consumption, see the brokers as people that create confusion during transaction. But 55% of the fish buyers believed that brokers keep the business flowing through their support of the fishermen. While the major problem of the fishermen with the selling brokers is getting the loan from the brokers especially when the fisherman is new in the area or business and on the other side, brokers only give the fish buyers grace of two to three days when they don’t have money, after that the broker would sell the fish to another buyer. These problems can be solved when a strong relationship is established between the fishermen, selling brokers, and fish buyers, or when the government intervenes by giving loans to the fishermen.
    Description: Includes:- 3 figs.;3 refs.
    Keywords: Fisheries ; Management ; Nigeria ; Doro ; Middlemen ; freshwater environment ; Fishermen ; Marketing ; Market research ; Pricing
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 613-618
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 31
    facet.materialart.
    Unknown
    Gender and fisheries of Lake Kainji, Nigeria: a review (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23515 | 19325 | 2018-05-08 15:42:14 | 23515 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The paper examined gender and fisheries of Lake Kainji, Nigeria. The study highlights socio economic characteristics of women involved in Kainji Lake fisheries, important issues about gender and fisheries. It reveals that the categories of women in the Kainji Lake fisheries are in the middle age of 31 to 40 years with very low educational background. It also indicates that fish processing has been the most prominent activity of women in fisheries of Lake Kainji and constitute about 60 percent of the women. The study concludes that women play significant roles in all aspects of fisheries in Lake Kainji. Importantly, women’s roles span reproduction and production.
    Description: Includes:- 1 table;! fig.;13 refs.
    Keywords: Fisheries ; Nigeria ; Kainji L. ; freshwater environment ; Women ; Fisheries ; Processing fishery products
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 590-595
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 32
    facet.materialart.
    Unknown
    Length-weight relationship and condition factor of two Hydrocynus species in Lake Kainji, Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23520 | 19325 | 2018-05-08 15:51:20 | 23520 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: In the study and understanding of fish biology, characterization and morphology, the length-weight relationship is of great importance. The genus Hydrocynus, is of high economic importance to the fisheries of Lake Kainji. This study investigated their length-weight relationship to establish the growth pattern of species within this genus. The ‘b’ values of the length-weight relationship for these species are less than 3. There was negative allometric growth (b〈3) for all samples of the Hydrocynus species. The correlation coefficients (r) are 0.9713 and 0.9888, for Hydrocynus forskali and H.brevis respectively. Condition factors ranged from 1.313 for H. forskali to 1.431 for H. brevis.
    Description: Includes:- 2tables.;2 figs.;27 refs.
    Keywords: Ecology ; Fisheries ; Hydrocynus forskalii ; Hydrocynus brevis ; Nigeria ; Kainji L. ; freshwater environment ; Length-weight relationships ; Condition factor
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 625-632
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 33
    facet.materialart.
    Unknown
    Challenges to meeting best procedure in quarantine services delivery (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23536 | 19325 | 2018-05-10 10:07:34 | 23536 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The paper defined quarantine as the totality of measures taken by every country to prevent the entry of foreign exotic pest, pathogens and diseases of plant, animals and aquatic resources through international boundries. Also discussed is the international regulatory framework on quality control and quarantine of agricultural products. The advantages and socioeconomics impact of quarantine are discussed. The paper further examined the best practice procedure in quarantine service delivery in the aquatic resources and products right from production, processing, marketing and condition for exporting of aquatic (Live fish) from Nigeria, In conclusion the paper enumerated the challenges in meeting best practice procedures in quarantine service delivery
    Description: Paper delivered at the Agricultural Quarantine Services (NAQS) Paramilitary Training for Officers and Men, Jaji, Kaduna, 15-29 ?, 2009 Presented at FISON EKO 2010: Other materials. Pagination on document pp. 1-18
    Keywords: Fisheries ; Health ; Nigeria ; Quarantine ; freshwater environment ; marine environment ; Quarantine regulations ; Legislation ; Safety regulations
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 35-52
    Format: 18
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 34
    facet.materialart.
    Unknown
    Effects of ice storage on the biochemical composition of Macrobrachium vollenhovenii (Herklots, 1857) (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23530 | 19325 | 2018-05-09 12:53:10 | 23530 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Changes in biochemical properties of freshwater prawn stored with two ice conditions Without Direct Contact with Ice (DCI) and Without Direct Contact with Ice (WCI) for day 0, 2, 4, 6, 8 and 10 were investigated. Proximate composition defined in terms of moisture increased for the DCI as storage days increases but relatively constant with treatments with WCI. Values of TVB-N (mgN/100g) in prawn stored with DCI had inverse relationship with storage days but increased with storage days in the WCI. Changes in the values of ash and crude protein were relatively constant as the storage days increased in both treatments. Ice treatments recorded little changes in between storage days for fats. Values of NPN mgN/100g decreased with days of storage with DCI but increased as the storage increased with WCI. These results obtained in this study showed that ice storage may have contrasting values and importance on the biochemical properties of the freshwater prawn.
    Description: Includes:- 2tables.;16 refs.
    Keywords: Fisheries ; Macrobrachium vollenhovenii ; Nigeria ; Badagry Lagoon ; freshwater environment ; Storage ; Storage effects ; Biochemical composition ; Storage life
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 698-703
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 35
    facet.materialart.
    Unknown
    Fisheries training in Nigeria's tertiary institutions - curriculum, staffing, equipment and other facilities: a critique of NUC’S minimum benchmark academic standards (MBAS) document (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23532 | 19325 | 2018-05-10 09:37:28 | 23532 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The paper is a review of the curriculum, staffing, equipment, field and laboratory requirements prescribed by the National Universities Commission (NUC) for training of Fisheries graduates. This is made as these are guidelines against which Fisheries programmes, now being proliferated in many Nigerian tertiary institutions, can be evaluated for possible accreditation. The critique shows that some courses are highly under-weighted e.g. “Aquatic Flora and fauna” as a 2 credit unit. There is a high degree of overlap between courses. Some are not clearly and sharply delineated, defined or described. Staff needs are not defined or described. Staff needs are not defined in terms of core course areas of specialization. Limnology & Oceanography have their descriptions restricted to physico ? chemical features and not viewed in the desired comparative perspective. Suggestions are made on a wider listing of equipment, field laboratory, and library need to sharpen the NUC guideline. A review committee is recommended.
    Description: FISON EKO 2010: Invited Paper. Pagination on document pp. 1-23 Includes:- 17 refs.
    Keywords: Education ; Fisheries ; Information Management ; Nigeria ; brackishwater environment ; freshwater environment ; marine environment ; Education ; Curricula ; Training ; Fisheries
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 91-113
    Format: 23
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 36
    facet.materialart.
    Unknown
    Legal tools for combating piracy in Nigerian waters (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23535 | 19325 | 2018-05-10 09:53:19 | 23535 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The paper traced the evolution of piracy and pointed out that the fishing industry in Nigeria alone has recorded over 15 deaths and loss of vessels, equipments, fish/fishery products valued over N3 billion to these attacks between 2006 and April 2009. The paper further highlighted that between February 2009 and April 2010 the fishing industry has recorded about 80 attacks. These have affected the fishing industry which operated over 250 registered trawlers in 2003/2004 which has now been reduced to 150 trawlers. To ameliorate this problem the paper highlighted steps taken in dealing with the menace of piracy. The paper concluded that good laws are a necessary pre-condition for the achievement of maritime security. However, they will only be effective if there is the political will and the practical capacity among the government, relevant agencies and stakeholders.
    Description: FISON EKO 2010: Invited paper presented by N. Ahmed. Pagination on document pp. 1-13. First presented by M. Orakwusi at the 2nd Western Naval Command Law Seminar, 7 Oct 2010
    Keywords: Fisheries ; Law ; ASE ; Nigeria Coast ; Priracy ; marine environment ; Illegal fishing ; Fishery protection ; Fishing rights
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 21-34
    Format: 13
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 37
    facet.materialart.
    Unknown
    Review of crude oil pollution effects on fish and fisheries of Nigerian waters (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24177 | 19325 | 2018-05-13 19:01:32 | 24177 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: This paper reviews some adverse effects of crude oil pollution on fish and fisheries in Nigerian waters. The main causes of spillage include blowout, sabotage, corrosion of pipeline, equipment malfunction, operations/maintenance error etc. There are spillage records from 1976 to 1997 with respect to the yearly oil spill incidents, the sizes of spill in relation to the ecological operational areas and the causes of oil spills in relation to sources of oil spill within oil operation. Based on the observation from the analyses of the spillage reports, several steps were recommended in order to reduce the incident of crude oil spillage in Nigeria petroleum industry for the safety of our fragile water bodies and the fisheries resources stock in them.
    Description: Includes: 3 tables.;Also includes: 14 references.
    Keywords: Pollution ; Fisheries ; Nigeria ; Niger Delta ; freshwater environment ; Crude oil ; Pollution effects ; Water quality ; Oil spills ; Pipelines ; Lake fisheries ; Oil pollution ; Pollution surveys ; Pollution control
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 106-109
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 38
    facet.materialart.
    Unknown
    Evaluation of slurry formulations for processing of kilishi of bony tongue (Heterotis niloticus, Cuvier) (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24178 | 19325 | 2018-05-13 19:03:41 | 24178 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The kilishi of Heterotis niloticus was produced for determination of appropriate slurry formulations for fish kilishi preparation. Thirty six freshly caught samples of H. niloticus with average weight of 306.20 ~c 18.33g, kilishi of this species was prepared with three different slurry formulations of high (F1), medium (F2) and low (F3) proportions of groundnut dough to spice mixture in the ratio of 1.3: 1.0, 1.0: 1.2 and 1.0: 1.8, respectively. Results of proximate composition indicated that kilishi of the H. niloticus prepared with formulation 3 (F3) recorded significantly higher (p〈0.05) protein content (54.22 ~c 0.01 %) and lower lipid content (8.00 ~c 0.00%), despite recording significantly higher (p〈0.05) moisture content (9.93 ~c 0.07%). Sensory score of kilishi of H. niloticus processed with F3 formulation rated significantly higher (p〈0.05) for taste, flavour and general acceptability with mean scores of 5.94 ~c 0.21,5.77 ~c 0.20 and 5.50 ~c 0.22, respectively. It could be concluded that kilishi of H. niloticus prepared with F3 formulation was the most acceptable hence, recommended for use in kilishi production.
    Description: Includes: 4 tables.;Also includes: 20 references.
    Keywords: Fisheries ; Heterotis niloticus ; Nigeria ; Sokoto ; Kilishi ; Heterotis niloticus ; Spices ; Proximate analysis ; Organoleptic assessment ; freshwater environment ; Freshwater fish ; Fishery products ; Processing fishery products ; Drying ; Packing fishery products ; Organoleptic properties ; Water content ; Enzymes ; Microorganisms
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 110-114
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 39
    facet.materialart.
    Unknown
    The role of biotechnology in aquaculture and fisheries development (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24204 | 19325 | 2018-05-16 15:29:46 | 24204 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Biotechnology per se is not a panacea for the world's problems of hunger and poverty. However, genetic engineering in particular, offers outstanding potentials to increase the efficiency of animal improvement. Thus, biotechnology could enhance global food production and availability in a sustainable way. Case studies from Egypt and India also demonstrate that highly immune genetically modified fishes, transgenic fishes, chromosome engineering and gene banking are very appropriate for fish farmers and consumers in developing countries. As the entire technology can be packaged into the germ cells of fish, it can easily be integrated into traditional small-holder fish farming systems. Except for a few innovative transfer projects, though, the application of biotechnology until now remains concentrated in the industrialized world. Combined with insufficient own scientific and regulatory capacities, the increasing privatization of international aquacultural and fisheries research and the strengthening of intellectual property rights complicate the access of developing countries to biotechnology. Profound constitutional adjustments are therefore essential to ensure that biotechnology does not bypass the poor.
    Description: Includes: 15 references.
    Keywords: Aquaculture ; Fisheries ; Nigeria ; Ebonyi State ; freshwater environment ; Biotechnology ; Sustainability ; Genetically modified organisms ; Gene banks ; Fish culture ; Aquaculture development ; Food security
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 210-212
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 40
    facet.materialart.
    Unknown
    Microbial load on smoked fish sold in Ibadan, Oyo State (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24208 | 19325 | 2018-05-19 06:39:34 | 24208 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The microbial load of four different fish species from five different market locations in Ibadan metropolis were determined using standard microbiological procedures. The bacteria count of fish sampled from Ojo market was the highest while the bacteria count of the fish sample from Bodija market was the lowest. There was no significant difference (p〈0.05) in the microbial load of the fish sampled from various market locations in Ibadan metropolis. Similarly, there was no significant difference (p〉0.05) in the microbial load on various fish species sold in Ibadan metropolis. The isolated bacteria from the study were: E. coli, Salmonella spp, Klebsiella spp, Staphylococcus aureus, Aerosomonas spp, Pseudomonas spp, Vibrio spp, Serratia spp, Chromobacterium spp, Enterobacteria spp and Shigella spp. The fungi count of fish sampled from Omi markets was the highest while the fungi count of the fish sampled from Ojo market was the lowest. The following fungi were however isolated from the study: Aspergillus flavus, Penicillium spp, Fusarium oxysporum, Trrichoderma spp and Ceotrichium albidium. The study shows that reheating may be necessary to destroy or inactivate micro-organisms in smoked fish before consumption.
    Description: Includes: 2 tables and 2 figures.;Also includes: 17 refernces.
    Keywords: Fisheries ; Nigeria ; Ibadan ; Bacteria ; Fungi ; Market ; Fish species ; freshwater environment ; Microbial contamination ; Microorganisms ; Bacteria ; Freshwater fish ; Cured products ; Sample contamination ; Fungi ; Public health ; Quality assurance ; Disinfection
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 223-227
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 41
    facet.materialart.
    Unknown
    Morphometric features and proximate body composition of rocky freshwater prawn (Caridina africana, Kingsley 1882) at Erin-Ijesa waterfalls, Osun State Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24209 | 19325 | 2018-05-19 06:41:34 | 24209 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: An investigation was conducted on the morphometric features and proximate body composition of rocky freshwater prawn, Caridina africana occurring at Erin-Ijesa Waterfalls in Osun State, Nigeria. The adult prawns were collected at the first layer of the Waterfalls using scoop nets and locally fabricated sieves because of the shallow nature of the water body and tiny size of the species. Morphometric features were measured using measuring board and Vernier calipers while the proximate analysis was determined by atomic absorption spectrophotometry in the laboratory. The morphometric variables placed the species correctly into the Infra order Caridea and family Atyidae because the first and second chelipeds were shorter than the remaining three pairs of walking legs. Male prawns were significantly bigger (p〈0.05). than the females as revealed in the morphometric features. The proximate analysis showed that C. africana is composed of 58.79% protein, 5.42% lipid, 11.56% carbohydrate, 14.7% ash and 0.21 % crude fibre. The micro-nutrient composition included iron, zinc, copper, nickel and cadmium. The values for these nutrients make the study to suggest that C. africana could be a nutritive food bio-material for humans and other livestock nutrition especially the fin-fish aquaculture programme.
    Description: Includes: 2 tables.;Also includes: 11 references.
    Keywords: Biology ; Fisheries ; Caridina africana ; Nigeria ; Erin-Ijesa waterfalls ; Morphometrics ; caridina africana ; Proximate composition ; Micrinutrient ; Erin-Ijesa waterfalls ; freshwater environment ; Morphometry ; Biochemical analysis ; Shrimp fisheries ; Body conditions ; Nutritional requirements ; Nutritive value ; Lake fisheries ; Artisanal fishing ; Males ; Females
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 228-230
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 42
    facet.materialart.
    Unknown
    Food and habits of the Batrachoid, Batrachoides liberiensis off the Qua Iboe River estuary, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24223 | 19325 | 2018-05-19 07:09:15 | 24223 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: We studied the trophic attributes of the toadfish, Batrachoides liberiensis off the Qua Iboe River estuary Nigeria, between August 2008 and July 2009. The fish species has no well defined stomach; the intestine was used as gut. Gut contents analysis of 360 specimens of the toad fish revealed that 11 food items (Penaeus notialis, Sersama alberti, crayfish remains, unid fish, fish bones, fish remains, unid gastropod, insect remains unid clam and sand grains)] were ingested. The food items were re-assigned into 6 major ecological categories based on food ponderal index (%FPI): Pisces (FPI= 35.33%), Crustacea (FPI= 20.73%), unid Gastropoda (FPI=14.32%), Mollusca (FPI= 12.48%), Insecta (FPI= 11.64%) and FPI of 5.50% sand grains. Males were significantly higher in feeding intensity (Average gut fullness, AGF: t = 2.083, 358 df, P〈0.05) vis-a-vis the females. There were similarity in rank-order of the seasonal dietaries (spearman-rank correlation: rs = 0.871, P〈0.02). Sex ratio was male-biased. B. liberiensis in the Qua Iboe estuary is carnivorous, exhibiting affinity to piscine as major dietaries.
    Description: Includes: 11 references.
    Keywords: Ecology ; Fisheries ; Batrachoides liberiensis ; ASE ; Nigeria ; Iboe River. ; Batrachoides liberiensis ; Qua Iboe River Estuary ; Nigeria ; Trophic attributes ; brackishwater environment ; Food ; Feeding ; Stomach content ; Food consumption ; Artisanal fishing ; Fishery surveys ; Food composition ; Food preferences ; Brackishwater fish
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 281-283
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 43
    facet.materialart.
    Unknown
    Effect of zinc on the distribution of major cations and anions in the muscle of the fresh water catfish Clarias gariepinus (Burchell, 1822) collected from Ebonyi River, South East Nigeria (2021)
    Lagos (Nigeria) | FISON
    In:  http://aquaticcommons.org/id/eprint/24214 | 19325 | 2018-05-19 06:50:34 | 24214 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The effect of zinc exposure evaluated during a four day exposure periods at 13.88ppm, 26.75ppm, 53.5ppm,107ppm and 214ppm to Clarias gariepinus sub-adults showed the 96h LC50 as 26.62ppm. The threshold value was 20.30ppm. The muscle of the exposed fish analyzed showed a significant decrease in all the major cations and anions (Na+, CL-, Ca2+ K+, Mg2+) at (p〈0.05). The research revealed that there was no total inhibition of uptake of the cations and anions and also that uptake of these metals, that is cations and anions (Na+,-CL-, Ca2+ K+, Mg2+) increased rapidly during the 24 hours and dropped at 48 hours and 72 hours and gradually increased at the end of 96 hours showing that it was time dependent. During exposure period, affected fish stood in upright position with their snouts above the water surface, gasping for air. Observation of the exposed fish showed that they were peeling of skin, increase in opercula movement, erratic swimming, quietness and finally death. This research therefore recommends that zinc should be applied appropriately at 26.30ppm to avoid death of fish, man and other aquatic organisms that are the chief consumer.
    Description: Includes: 13 references.
    Keywords: Pollution ; Fisheries ; Clarias gariepinus ; Nigeria ; Ebonyi State ; Ebonyi River ; Zinc ; Muscle ; Cations ; Anions ; Clarias gariepinus ; Zinc ; Freshwater fish ; Cations ; Pollution effects ; Trace metals ; Bioaccumulation ; Muscles ; Pollutants ; Anions ; River fisheries ; Lethal limits
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 240-242
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 44
    facet.materialart.
    Unknown
    Organoleptic assessment of processed freshwater clam (Galatea paradoxa) (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24186 | 19325 | 2018-05-16 14:43:21 | 24186 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Organoleptic characteristcs and eating acceptability of different processed fresh water clam (Galatea paradoxa) from Bayelsa state, Nigeria was evaluated. One hundred and fourteen (114) samples of clam (Galatea paradoxa) used for the processing experiment were obtained from Amassoma market. All samples were processed traditionally viz: smoked-dried, cooked with banga sludge and fried respectively. Thirty six (36) member taste panel were randomly selected to evaluate the organoleptic characteristics of the samples. Acceptibility of product was scored on a 6-point hedonic scale. The highest ratings of organoleptic characteristics were recorded for fresh water clam samples prepared by frying (5.24 ~c 0.54) while the least (4.47 ~c 0.27) was recorded for samples that were prepared by cooking with water (P〈0.05). The results revealed that males had a preference for fried clam product while females had equal preference for clams fried and cooked in palm kernel sludge. The highest acceptability (88.89%) was observed in the samples that were subjected to frying method, while the least (80.56%) was recorded for samples that were smoked-dried. More research should be geared towards packaging these products for export.
    Description: Includes: 3 tables:;Also includes: 9 references.
    Keywords: Fisheries ; Galatea paradoxa ; Nigeria ; Niger Delta ; Acceptability ; Clams ; Organoleptic ; Processing ; freshwater environment ; Clam fisheries ; Shellfish ; Organoleptic properties ; Acceptability ; Processed fishery products ; Evaluation ; Cured products ; Acceptance tests ; Nutritive value ; Proteins ; Texture ; Odour ; Taste tests ; Freshwater molluscs ; Product development
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 145-148
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 45
    facet.materialart.
    Unknown
    Nutrient composition of frozen and smoked fish specimens of Oreochromis niloticus, Labeo coubie and Mormyrops deliciosus from River Niger (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24195 | 19325 | 2018-05-16 15:12:41 | 24195 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Fish is one of the most nutritious diet on earth, and contributes a considerable proportion of its protein to the Nigerian populace. Fifty-four specimens composing of six samples from each species, were analyzed in frozen and smoked states, monthly. Each set of six specimens were cut into two equal parts and randomly re-arranged into two groups. One group was smoked while the other was preserved in the freezer (at-2~'C) for 5 days. The highest moisture content was observed in frozen samples of Mormyrops deliciosus thus: (77.14 ~c 11.05%). Smoked O. niloticus had the highest protein content (26.79 ~c 0.74%) while the least was observed in frozen Mormyrops deliciosus (13.37 ~c 2.57%). Smoked samples of Oreochromis niloticus recorded the highest fat content accounting for a value of (25.97 ~c 0.51 %) while the least was observed in frozen Mormyrops deliciosus (7.97 ~c 0.45%). It could be concluded that while frozen samples loosed nutrient, smoked ones gained nutrients in all three species. The study recommends that fish be consumed in their smoked state, in preference to frozen ones, in response to higher nutritive value. Oreochromis niloticus which recorded the highest nutritive value in crude protein content, should be consumed more, followed by Labeo coubie and Mormyrops deliciosus in that order.
    Description: Includes: 2 tables.;Also includes: 10 references
    Keywords: Fisheries ; Mormyrups deliciosus ; Oreochromis niloticus ; Labeo coubie ; Nigeria ; Niger R. ; Nutrient omposition ; Frozen ; Smoked ; Oreochromis niloticus ; Labeo coubie ; Mormyrups deliciosus ; freshwater environment ; Freshwater fish ; Frozen products ; Cured products ; Nutritive value ; Comparative studies ; Processed fishery products
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 177-179
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 46
    facet.materialart.
    Unknown
    Trophic ecology of fishes: consolidating the basic (traditional) methods (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24226 | 19325 | 2018-05-19 07:15:01 | 24226 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Studies of food and feeding ecology are important to investigate trophic interrelationships of fishes in their resident water bodies. These are usually achieved using various important methods. However because no single measure gives an overall representation of the feeding habits of fish, best results are achieved only when methods are used to complement one another. This paper reviews various methods used in studying trophic fish ecology and suggests consolidation of the traditional or basic methods with relevant statistical indices and local ecological knowledge. More advanced methods are also proposed as valuable tools because they compensate for some possible errors that may arise from the use of quantitative methods.
    Description: Includes: 28 references.
    Keywords: Ecology ; Fisheries ; Nigeria ; Oyo State ; freshwater environment ; Ecosystems ; Trophic levels ; Interspecific relationships ; Trophic relationships ; Food ; Ecology ; Consolidation ; Methodology ; Feeding behaviour ; Stomach content ; Food webs ; Statistical analysis ; Fish culture
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 292-294
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 47
    facet.materialart.
    Unknown
    Reproductive efficiency as a function of age in estuarine catfish, Chrysichthys nigrodigitatus of the Cross River, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24206 | 19325 | 2018-05-16 15:35:04 | 24206 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Study was conducted on the reproductive efficiency of Chrysichthys nigrodigitatus of the Cross River. The objective was to determine the influence of age on eggs size and fecundity. Forty four females of Chrysichthys nigrodigitatus were sampled from April, 2011 to March, 2012. Fecundity and eggs size were measured in relation to fish size. The relationship between egg size and fish size produced a parabolic curve. This implies that younger fish and older fish were less efficient in terms of eggs size and quality while the middle aged fishes were more efficient in terms of eggs size and quality. Similarly, there was an inverse curvilinear relationship between number of eggs per unit weight and somatic weight of the fish. Younger fish are less efficient because of the physiology of growth, while the older fishes are less efficient because of reproductive senescence. Management strategy for the stock therefore requires the conservation of the middle aged individuals for increase in reproduction. Also in aquaculture the middle aged class should be used as broodstock for excellent results.
    Description: Includes: 2 figures.;Also includes: 13 references.
    Keywords: Ecology ; Fisheries ; Chrysichthys nigrodigitatus ; Nigeria ; Cross River ; Brackishwater fish ; Reproduction ; Efficiency ; Biological age ; Eggs ; Fecundity ; Size ; Food fish
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 216-218
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 48
    facet.materialart.
    Unknown
    Length-weight relationships and relative condition factor of twenty important marine fish species off Lagos coast, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24203 | 19325 | 2018-05-16 15:28:10 | 24203 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: A study was conducted on the length-weight relationship and condition factor (k) of 6,254 fish samples representing 20 species belonging to 11 families of important marine fishes off Lagos coast, Nigeria. They were collected with a trawl net (cod-end 20mm mesh size), trawled at different depth ranging from 10m-100m between May and June 2009. The estimated 'b' value (regression coefficient) of the equation W = aLb ranged between 2.29 and 3.46 with mean and mode values of 2.78 ~c 0.28 and 2.79 respectively while the 'a' value (regression constant) ranged between -2.6019 and -0.9023 with mean value of -1.6899 ~c 0.40. The condition factor (k) ranged between 0.52 and 11.89 with mean values of 2.71 ~c 2.64. Fish species of Nigeria coastal water are dominated by Pseudotolithus senegalensis which is about 13.4% of the total fish samples and their growth trend is mostly isometric (exhibit dimensional equality of the body parameters). All the species studied are in good condition (k〉 0.5).
    Description: Includes: 1 table and 5 figures.;Also includes: 20 references.
    Keywords: Ecology ; Fisheries ; Pseudotolithus senegalensis ; ASE ; Nigeria ; Lagos Lagoon ; Lenght-weight relationship ; Condition factor ; Marine fish species ; Trawl ; Isometric ; Nigeria ; freshwater environment ; Length-weight relationships ; Condition factor ; Marine fish ; Trawl nets ; Coastal waters ; Fishery surveys ; Marine fisheries ; Check lists ; Population structure ; Dominant species
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 206-209
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 49
    facet.materialart.
    Unknown
    Challenges of inland artisanal fish production in Nigeria: economic perspective (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24600 | 19325 | 2018-05-21 12:14:25 | 24600 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Fishery production is significant to Nigerian economy in view of its roles in providing cheap source of food/nutrition security, income, employment, serves as source of foreign exchange, particularly those of the riparian communities. Despite these significant roles, fisheries subsector is faced with huge challenges, such as: decreasing yield, inefficient management of fishing policy, inadequate technological and commercial knowledge among others, thereby limiting its production potentials. The possibility of fish production especially artisanal fisheries to match up with fish productivity in the economy depends on fishing operation, efficient use of laboour, sustainable and efficient management of fishing policy. Therefore the essence of this study is to review the challenges in fish production in Nigeria, Economic perspective, with emphasis on the role of fisheries in economic development, decreasing fish yield, market forces and resource inefficiency.
    Description: Includes: 13 references.
    Keywords: Fisheries ; Nigeria ; Fishery ; Economic perspective ; Challenges and production ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 134-136
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 50
    facet.materialart.
    Unknown
    Efficiency of different traps for silver catfish fishery and its aquaculture implications in the face of climate change (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24601 | 19325 | 2018-05-21 12:17:22 | 24601 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Climate change has the potential to severely impact coastal and inland environments and ecosystems, and by extension fisheries and aquaculture. Coastal regions of the world are already experiencing flooding due to rise in sea level. In recent times, salinization of coastal areas due to flooding from storm surges and high tidal influence has been observed. Aquaculture is a fast growing agri-business venture in Nigeria presently and many coastal communities derive their livelihood from it. The culture of freshwater fish species that are very sensitive to high salinity may be threatened leading to mortality of stocked fish and loss of livelihood for coastal population. Consequently, there is urgent need for development and domestication of the Silver catfish, Chrysichthys nigrodigitatus that can tolerate higher salinity more than Mudcatfish (Clarias gariepinus). This will help mitigate the impact of salinization of coastal areas arising from sea water flooding on culture of fresh water fish species.
    Description: Includes: 17 references.
    Keywords: Aquaculture ; Pollution ; Fisheries ; Chrysichthys nigrodigitatus ; Clarias gariepinus ; Nigeria ; Climate change ; Silver catfish ; Chrysichthys nigrodigitatus ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 137-139
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 51
    facet.materialart.
    Unknown
    Effects of sub-lethal concentrations of glyphosate on behaviour and some biochemical parameters of African catfish (Clarias gariepinus) (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24614 | 19325 | 2018-05-24 09:35:20 | 24614 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The sub-lethal effect of glyphosate on behavior and some biochemical parameters of African catfish, Clarias gariepinus were investigated using static renewal bioassays and continuous aeration for a period of 28 days using varying concentrations (100ppm, 200ppm, 300ppm, 400ppm and 500ppm). During the exposure period, the fish showed different abnormal behaviours such as restlessness, loss of balance, respiratory distress, grouping together, darting movements, loss of equilibrium, mucous secretion and erratic swimming. At the end of the experiments, the fish were sacrificed and the blood samples were collected. The gill and liver of the fish were removed from biochemical bioassay. Compared with the control, the result showed a significant increase (P〈0.05) in the activities of alanine amino transferase (ALT), and aspartate amino transferase (AST), in both the blood and the gill of exposed fish except in liver where it showed a significant reduction. However the values of lactate dehydrogenase (LDH) and superoxide dismutase (SOD), showed significant increase in the blood with a noticeable decrease in both the gill and liver of exposed fish. The study showed that sub-lethal concentratiom of glyphosate are harmful to Clarias gariepinus. This study shows that sub-lethal concentrations of glyphosate is harmful to Claria gariepinus. The implication of these results in rational exploitation and conservation of fishery resources and the public health risk consuming glyphosate-exposed to fish are highlighted.
    Description: Includes: 22 references.
    Keywords: Fisheries ; Pollution ; Clarias gariepinus ; Nigeria ; Glyphosate ; sub-lethal ; Biochemical ; Conservation ; Public health ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 188-191
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 52
    facet.materialart.
    Unknown
    Observation on the sex ratio, fecundity, egg size and gonadosomatic index of grey mullet (Mugil cephalus) from high brackish tropical lagoon (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24627 | 19325 | 2018-05-22 06:26:49 | 24627 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The 2661 specimens of the striped mullet, Mugil cephalus L. used for this study, were collected from high brackish lagoon in southwest Nigeria for 24 months. The size of the 2661 specimens of M. cephalus used for this study ranged from 1.7- 29.5cm standard length (total lenght 1.9 to 39.0cm). The sex ratio for M. cephalus was 1:0.53 and this showed a statistically significant (p〈0.05) dominance of the male over the females for the size range. The fecundity estimates varied from 635,568- 1,520,185 and was positively correlated to the fish and weight. Oocyte diameter averaged 409.64 ~c 40.67pm and this is indicative of an early stage of gonad maturation of the specimens in the lagoon before final spawning occurred. The GSI indicated that spawning activity occurred from December to May in the open ocean.
    Description: Includes: 28 references.
    Keywords: Ecology ; Fisheries ; Mugil cephalus ; ASE ; Nigeria ; Lagos Lagoon ; Mature ; Spawning ; Specimen ; Male ; Female ; brackishwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 241-246
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 53
    facet.materialart.
    Unknown
    Growth pattern and specificity of attachment of lagoon crab (Callinectes amnicola) fouled with barnacles (Chelonibia patula) from Lagos Lagoon, Southwest Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24635 | 19325 | 2018-05-23 07:59:06 | 24635 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The growth pattern and condition factor (K) of 810 Lagoon crabs (Callinectes amnicola) fouled with Barnacles (Chelonibia patula), collected from Makoko Jetty, off Lagos Lagoon between April-September 2011 were studied. The carapace length f C. amnicola examined ranged from 3.8cm-8.6cm while the carapare width ranged from 9.5cm-15.4cm. The total weight ranged from 53.1g to 165.0g, indicating that increase in length correspond to increase in weight, thereby suggested that C. amnicola from Lagos Lagoon exhibited a negative allometric growth. The correlated coefficient 'r' for the crabs was 0.68, showing a low correlation between carapace length weight in the lagoon crabs fouled with barnacles. The condition factor (K) values of C. amnicola fouled with barnacles ranged from 3.2-9.7 with a mean value of 5.4. The highest K-value was recorded for the size group 3.5-4.4. The value decreased with increased length of C. ammcola. The sex ratio (1:80) indicated that there were more females (98.8%) than males (1.2%), 12 (1.5%) of the 810 lagoon crabs examined were heavily fouled with barnacles distributed all over the points of attachment with the cora having the most attachment (91.6 6%). Average diameter of the barnacles attached to the crabs ranged from 0.23cm to 1.85cm. The distribution shows that large-sized crabs had much banacles attached to them than small-sized crabs, with greater barnacles found in the females than in the males.
    Description: Includes: 25 references.
    Keywords: Ecology ; Fisheries ; Callinectes amnicola ; Chelonibia patula ; Nigeria ; Lagos Lagoon ; Callinectes amnicola ; Specificity ; Lagoon ; Condition factor ; Sex ratio ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 281-287
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 54
    facet.materialart.
    Unknown
    The identity of Schilbe intermedius in Jebba Lake, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24630 | 19325 | 2018-05-22 06:31:54 | 24630 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: This study attempts to ascertain the identity of Schilbe intermedius (Family: Schilbeidae) in Jebba Lake using quantitative (mophometric and meristic) and qualitative (colour and shape) parameters that makes identification easier. One hundred (100) specimens were collected and used for the study. There was relationship between body weight and length of fish (a=0.039, b=2.332, r=5.96). The parameters are similar to description of other authors. There is also absence of adipose fin found in the species, which is due to the geographical location.
    Description: Includes: 14 references.
    Keywords: Ecology ; Fisheries ; Schilbe ; intermedius ; Nigeria ; Jebba Lake ; Morphometric ; Meristic ; Butterffish ; Jebba Lake ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 256-259
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 55
    facet.materialart.
    Unknown
    Current trends of fish processing in Jabi Lake area (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24672 | 19325 | 2018-05-23 07:47:49 | 24672 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: A survey of the fish processing practices of the fishing settlement around Jabi lake area in the Federal Capital Territory (FCT) was conducted. The main purpose of constructing the reservoir is to serve as the main source of water supply to the FCT, fishing and fish processing became prominent. Fishermen are recording very low fish catch and the level of hygiene in fish handling practices is very low. The processors are majorly involved in smoking and frying which is dominated by 79% of middle aged young men whereas, 21% are women. The scale of fish processing in Jabi Lake area is still at the subsistence level. Furthermore, the processors do not package the processed fish products, rather they gather them in baskets and plastic bowls. FCT resideents usually procurelive and smoked fish from Kado fish market.
    Keywords: Fisheries ; Nigeria ; Jabi Lake ; Fish processors ; Livelihood and fish processing ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 428-429
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 56
    facet.materialart.
    Unknown
    Effects of spices on the chemical properties of hot-smoked catfish (Clarias gariepinus) (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24673 | 19325 | 2018-05-24 09:33:52 | 24673 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Effect of spices on the chemical properties of hot-smoked catfish (C.gariepinus) was examined. The experimental design was complete randomized design (CRD) with the treatments been the variously spiced hot-smoked catfish (garlic, ginger, garlic-ginger homogenate spiced and the control without spices). Proximate and mineral content analyses were carried out using standard experimental procedures. There exist significant differences (p〈0.05) in the percentage moisture and crude protein content with smoked catfish without spices having the highest moisture content with mean value 6.18 ~c 0.13 and 79.44 ~c 0.13 respectively which could be as a result of the increase in the fibre content of the spiced fish products which is a function of fibre content of the spices applied to the fish products. Similar trend was also observed for the lipid and ash contents the fish products. There exist significant differences (p〈0.05) in the mineral content preseent in the various fish products with the exception of magnesium. The products are rich in calcium and other minerals with garlic-ginger homogenate spiced product having the highest level of calcium (0.980 ~c 0.02).
    Description: Includes: 25 references.
    Keywords: Fisheries ; Clarias gariepinus ; Nigeria ; Spices ; Organoleptic properties ; Chemical properties ; Hot-smoked ; C. gariepinus ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 435-438
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 57
    facet.materialart.
    Unknown
    Modification of NIFFR multipurpose smoking kiln with insulation (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24669 | 19325 | 2018-05-23 07:44:23 | 24669 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: A study was conducted on the old NIFFR smoking kiln in order to improve on it. The parameters used to determine the smoking efficiency include the loss in weight of the fish samples, temperature and the time taken to properly smoke the fish using fire wood as smoking fuel. The smoking kiln was tested by smoking three different species of fish: Clarias gariepinus, Oreochromies niloticus, Synodontis membranecious over a period of two hours. The modified smoking kiln was discovered to perform faster. Its advantage over the already existing one is that it is faster in smoking fish to a regular golden brown colour. The temperature of the heat supplied was quite higher about 100~'C to 120~'C than the commonly used drum oven. The smoking kiln has the average oroduction cost of No.90,000.
    Description: Includes: 9 references.
    Keywords: Fisheries ; Nigeria ; Fish ; Wire mesh tray ; Mild steel ; Chimnet ; Damper plate ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 415-418
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 58
    facet.materialart.
    Unknown
    Fishing activities in relation to commercial and small-scale fisheries in Indonesia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26216 | 17342 | 2019-02-08 06:19:00 | 26216 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Presented in this paper is the fishery industry in Indonesia. Given emphases were the fishing gears and fishing fleets that were used for both commercial and small-scale fisheries. Moreover, the detailed design of the fishing gears is also shown.
    Keywords: Fisheries ; Fisheries ; Marine fisheries ; Fishery management ; Fishery resources ; Fishing gear ; Artisanal fishing ; Artisanal fisheries ; Fishing vessels ; Gear construction ; Gear materials
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 41-70
    Format: 30
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 59
    facet.materialart.
    Unknown
    Fisheries management policy in Malaysia: Issues on responsible fishing (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26219 | 17342 | 2019-02-08 05:50:05 | 26219 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Fishery management ; Fishery policy ; Fishery regulations ; Marine fisheries ; Fishery resources ; Fishery protection ; Biodiversity
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 100-112
    Format: 13
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 60
    facet.materialart.
    Unknown
    Department of Fisheries Malaysia: Training and extension programs (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26220 | 17342 | 2019-02-08 03:41:28 | 26220 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Policies ; Fisheries ; Marine fisheries ; Inland fisheries ; Training ; Extension activities
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 113-118
    Format: 6
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 61
    facet.materialart.
    Unknown
    Fish resources of Vietnamese sea waters and recommendations for rational utilization (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26225 | 17342 | 2019-02-14 01:43:24 | 26225 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Sea and continental shelf belonging to Vietnamese EEZ has an estimated area of more than 1 mil. km2, this is three times greater than land. Sea and continental shelf is becoming an important part in fishery aspect, this is where many marine products are existed. Vietnam is situated in the West Pacific Ocean and classified into four regions. The North Part, Center Part, South East and South West of Vietnam. The pelagic and demersal fish comprise of 80-90% of the total yield, in addition there are valuable resources such as shrimp, lobster and squids, all are important export items. Two major climatic seasons occur in these areas depending on the winds: the North-East (November to March) and the South-West monsoon (May to September), April and October, those are transferred months. Typhoons move from the East to the West or North-West are frequent in summer and greatly affect the meteorological conditions of the sea waters. The fish species composition in the Vietnamese Sea waters is typical for tropical fish fauna (Approx. 2000 fish species, in addition there are 105 Shrimp species and 53 Squid and Cuttle fish species have been found). Resources Standing Stock of both pelagic and demersal fish in the Vietnamese Sea Waters are about 3.0-3.5 million tons, the exploitation potential amounting to 1.2-1.4 million tons. In the inshore areas the resources are being overexploited, while offshore resources remain underexploited. Resources protection and fishery policies are the main tasks of the Vietnamese fisheries. Fishing ordinance and regulations have become an important role in the Vietnamese Sea Water.
    Keywords: Fisheries ; Fishery resources ; Fisheries ; Stocks ; Continental shelves ; Pelagic fisheries ; Marine fisheries ; Demersal fisheries ; Shrimp fisheries ; Lobster fisheries ; Cephalopod fisheries ; Anthropogenic factors ; Species diversity ; Hurricanes ; Fishery policy
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 138-151
    Format: 14
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 62
    facet.materialart.
    Unknown
    The status of fisheries in the Republic of Maldives (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26228 | 17342 | 2019-02-13 06:40:47 | 26228 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The paper discusses the tuna fisheries in Maldives which dominates its fishing industry. Apart from a very strong domestic market, tuna is also the main export commodity of the country. Moreover, reef fisheries such as, sea cucumber, grouper, shark, and aquarium fishery industries, are also being discussed in the paper. Also presented in the paper are the fisheries management system, and the national development plan of Maldives for fisheries from 1997 to 1999.
    Keywords: Fisheries ; Fisheries ; Fishery development ; Sustainable fishing ; Marine fisheries ; Pelagic fisheries ; Tuna fisheries ; Reef fisheries ; Sea cucumber fisheries ; Percoid fisheries ; Finfish fisheries ; Shark fisheries ; Resource management ; Fishery management ; Fishery resources
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 167-191
    Format: 25
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 63
    facet.materialart.
    Unknown
    Training and extension programs on responsible fishing in Thailand (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26244 | 17342 | 2019-02-13 05:35:01 | 26244 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The marine fisheries status has declined in stock and become very critical issue at present. Fisheries regulations and notifications have been issued for solving the problems of fisheries management. Responsible fishing is a new concept developing for the fisheries resources recovery that required more rehabilitation training and extension programs. In Thailand efforts to conserve the fisheries resources such as fisheries regulations by means of close area, close season and mesh size limitation are being enforced. Training and extension programs for fishermen and other people concerned including many conservative projects have been done by the Department of fisheries.
    Keywords: Fisheries ; Fishery regulations ; Season regulations ; Fishery management ; Sustainable fishing ; Sustainability ; Training ; Capacity building ; Education ; Extension activities ; Fishery resources ; Policies ; Fishery policy ; Gear selectivity ; Fishing grounds ; Marine fisheries
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 398-404
    Format: 7
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 64
    facet.materialart.
    Unknown
    Status of fisheries in Union of Myanmar (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26227 | 17342 | 2019-02-13 07:09:41 | 26227 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Presented in the paper is the status of fisheries in the Union of Myanmar for the period 1996-1997. Discussed are the fishery production, and trade of the country, including its fishery policies.
    Keywords: Fisheries ; Fisheries ; Fishery management ; Fishery development ; Marine fisheries ; Exclusive economic zone ; Fishery resources ; Aquaculture ; Fishery policy ; Fishing grounds
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 161-166
    Format: 6
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 65
    facet.materialart.
    Unknown
    Fish behaviour approach for improving trawl gear selectivity (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26234 | 17342 | 2019-02-13 06:06:47 | 26234 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Gear selectivity has been a gold-medal goal for research and development in Fishing Technology, for the purpose to increase the target catch and to decrease the bycatch. In case of trawl fisheries, the gear designing by mesh size or shape modifications were only the tools for improving the species/size selectivity. Another approach for the aimed trawl is also practical through the strategy in locating the best fishing ground by use of catch data bases and acoustic devices. The better understanding on fish behaviour can be useful not only for both of the conventional strategies, but also for developing the bycatch reduction devices (BRDs) as the modification of the present gear designs. The aim of gear selectivity in shrimp trawls is classified into 4 categories as Monster excluder, Trash Excluder, Shrimp/Fish Separator, and Species/Size Selection. Another approach to classify the selectivity function is according to the positions for exclusion/selection, as between warps, sweep lines or wings, around net mouth, and in front or rear part of codend. Up to now, varieties of BRDs are in practical use with ideas on size filtration and utilization of behaviour differences in species and sizes. For the size filtration purpose, the mesh size against the body circumference or the grid spacing against the body width inside the codend can be defined as the passive BRDs which may cause the stress and injury for escapees through the gear contact. The active BRDs ahead of the trawl mouth may be the best tool as the conservation strategy without the gear contact damage, by means of understanding for avoidance ability in gear recognition and swimming performance of target and bycatch species.
    Keywords: Fisheries ; Behaviour ; Gear selectivity ; Mesh selectivity ; Fishing gear ; Gear research ; Fishery technology ; Fishing technology ; Fishery development ; By catch ; Discards ; Trawling ; Trawl nets ; Fishery management ; Sustainable fishing ; Sustainability
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 251-265
    Format: 15
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 66
    facet.materialart.
    Unknown
    Discards in Japanese marine capture fisheries and their estimation (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26232 | 17342 | 2019-02-13 06:22:29 | 26232 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: By catch focused here is incidental catch to be discarded at sea and those utilised is dealt little. This is because, as widely stated, by catch is not necessarily a negative practice as there are many fisheries which are feasible with by catch in addition to the principal species. It is important to segregate by catch and discard issues. It may provoke unnecessary and unproductive contradiction, if by catch as a whole is dealt in the same line with discards. This report firstly overviews the structure of the fishing industry of Japan and its statistics in view of its sectors and landing. This aims at illustrating its basic characters and changes for the recent years. Secondly, the report summarises available information on discards from a sector to sector. It estimates, then, the amounts of discards by individual sectors and, subsequently, the total discard by the Japanese marine capture fishery as a whole. The last part of the report discusses improvement of methodology in discard researches. In this report, only publicised data were utilised for discard estimation with exceptions of those recorded by the author or the author's group. Discard ratios were either directly adopted or secondarily evaluated from those records.
    Keywords: Fisheries ; Discards ; By catch ; Marine fisheries ; Marine fish ; Fishery industry ; Commercial fishing ; Artisanal fishing ; Industrial fisheries ; Fishing gear ; Trawling ; Mathematical analysis ; Mathematical models ; Formulae
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 218-241
    Format: 24
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 67
    facet.materialart.
    Unknown
    Moving towards more responsible fishing practices in Australia’s northern prawn fishery (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26240 | 17342 | 2019-02-13 05:54:37 | 26240 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Bycatch in Australia s Northern Prawn Fishery (NPF) is extremely diverse in both species and size composition. This makes developing responsible fishing practices to reduce the amount of bycatch in the NPF, a complex process. During this study we assessed the performance of Bycatch Reduction Devices (BRDs) that could be used in the NPF. We tested 16 different BRDs which can be grouped into one of 3 categories: (1) inclined grids (2) fish exclusion devices and (3) square-mesh codends. Four inclined grids were tested during our study. All the grids were extremely effective at excluding large animals such as sharks, stingrays and sea turtles. Three different fish exclusion devices were tested. Fish exclusion ranged between 0 and 39 percent, depending on the device. Prawn retention rates for both inclined grids and fish exclusion devices varied between devices. Two sizes of square-mesh codend (38 mm and 45 mm) were also tested. More than 95% of market-sized prawns were retained. Fish exclusion varied greatly between species. Optimum exclusion of bycatch for the NPF could be provided by a combination of devices from each of the three categories.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; By catch ; Shrimp fisheries ; Catch composition ; Commercial species ; By-catch excluder devices ; Discards ; Mesh selectivity ; Gear selectivity
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 356-370
    Format: 15
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 68
    facet.materialart.
    Unknown
    Inmarsat's role in responsible fishing (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26245 | 17342 | 2019-02-13 05:27:14 | 26245 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The paper documents the application of the services of International Maritime Satellite Organization (Inmarsat) to responsible fisheries. Currently known as International Mobile Satellite Organization, offers an increasing array of telecommunication services to business travelers, landmobile, aeronautical, and maritime users, etc. For the maritime industry Inmarsat provides satellite vessel monitoring. The position reports, which optionally may include course and speed, from one or more fishing vessels may be incorporated into a system comprised of hardware and software at a shore-side control station.
    Keywords: Fisheries ; Communication systems ; Satellite communication ; Satellite sensing ; Satellite navigation ; Fishing vessels ; Fishery management ; Sustainable fishing ; Sustainability
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 405-416
    Format: 12
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 69
    facet.materialart.
    Unknown
    Ghostfishing problems and prevention (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26246 | 17342 | 2019-02-13 03:42:22 | 26246 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Ghostfishing is the fishing activity of lost or abandoned fishing gears or theirarts. This invisible fishing activity of unknown number of fishing gears may have contributed the global depletion of fisheries resources. Gillnets and pots are two gear types known to have severe ghostfishing problems. Synthetic materials making up gillnets and pots can last for many years when left in water. There are no worldwide survey or estimates of annual loss of gillnets or pots, but the number is likely in millions. Prevention, clean up, de-ghosting technological research, and awareness training are some of the strategies which can be adopted to curb the ghostfishing problem. This presentation will review the problems of ghostfishing in gillnet and pot fisheries, actions taken by some countries to counteract gear losses and ghostfishing, and future prospectus in combating ghostfishing problems.
    Keywords: Fisheries ; Fishing gear ; Fishing nets ; Gillnets ; Entangling nets ; Pots ; Litter ; Marine debris ; Plastic debris ; Fishery management
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 417-431
    Format: 15
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 70
    facet.materialart.
    Unknown
    Responsible fisheries training in Canada (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26241 | 17342 | 2019-02-13 05:43:45 | 26241 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The concept of responsible fisheries matters all parties involved in fishing and other related activities that utilize or deal with marine and freshwater resources. The Code of Responsible Fisheries as developed by FAO makes all involved in fisheries aware of what they do, how they do it and consequences of their activities. One of the most important aspects of responsible fisheries initiatives of any countries or regions is responsible fisheries training so that stakeholders are well aware of their activities and possible consequences. Canada is one of the countries making significant progresses in training as well in research and development as related to responsible fisheries. The effort of Canada is broadly based covering the Atlantic and Pacific coasts as well as inland waters. This presentation overviews harvesting-related responsible fisheries guidelines and training initiatives in Canada with emphasis on a new responsible fisheries training program being developed by the Fisheries and Marine Ins.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; FAO Code of Conduct for Responsible Fisheries ; Training ; Capacity building ; Education
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 371-374
    Format: 4
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 71
    facet.materialart.
    Unknown
    Cooperative research networking to facilitate research and development for the reduction of wastage in shrimp fisheries (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26249 | 17342 | 2019-02-13 03:52:27 | 26249 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Because of the importance of shrimp trawling fisheries in a number of countries in Asia and the Indian Ocean region and recommendations for more research work in the field of selectivity, in particular through more cooperation between countries, a Cooperative research network in the Asia and Indian Ocean region on selective tropical shrimp trawling was initiated in December 1995 by the Fishing Technology Service of FAO. The overall objective of this on-going networking programme is: in the short term, to gather accurate information on on-going shrimp trawling and catches, data which is necessary for further improvement of the selectivity of these fisheries, and to review recent progress in the region in this field; in the medium term, to facilitate further research on the subject. Details of the activities proposed within the programme are given, as well as the expected participation for its execution. Progress, up to May 1997, is briefly reported. Activities such as field surveys in several countries and a regional workshop soon were not too difficult to arrange. However, cooperation for research work at sea with the participation of experts from several countries is not so easy.
    Keywords: Fisheries ; Shrimp fisheries ; Shrimp spoilage ; Research ; Research programmes ; Trawling ; Fishery management ; Sustainable fishing ; Sustainability
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 443-450
    Format: 8
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 72
    facet.materialart.
    Unknown
    Distribution, abundance and biological studies of economically important fishes in the South China Sea, Area I: East coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26344 | 23782 | 2019-03-22 05:33:08 | 26344 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: This paper presents species distributions, composition and biological parameters of major fish species caught from the east coast of Peninsular Malaysia during the one week surveys made in pre- and post-Northeast monsoon seasons. The fish species rankings changed over time and at different depth strata. The catch rates were decreased toward deeper water. An appearance of smaller fish group was greater during the post-Northeast than pre-Northeast monsoon season. Fish populations occurred at both seasons were represented from different spawning group. Their growths were isometric form in weight.
    Keywords: Fisheries ; Marine fish ; Biological data ; Population characteristics ; Fishery surveys ; Check lists ; Commercial species ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 147-155
    Format: 9
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 73
    facet.materialart.
    Unknown
    Distribution of dinoflagellate cysts in the surface sediment of the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26350 | 23782 | 2019-03-22 06:25:19 | 26350 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: To obtain more information on the distribution of dinoflagellate cysts in Thai and Malaysian waters, the surface sediment samples of 48 stations in the Gulf of Thailand and the east coast of Peninsular Malaysia were collected by M.V. SEAFDEC during the research cruise in September 1995 and repeated again in April 1996. Cysts of 20 species belonging to Goniolacoid, Tuberculodinioid and Peridinioid were found in the surface sediments collected from both cruises. Spiniferites spp. (=Gonyaulax spp.) were the dominant cyst in Thai and Malaysian waters. No cysts of harmful species were observed during this study.
    Keywords: Fisheries ; Oceanography ; Dominant species ; Cysts ; Sediments ; Benthos ; Gonyaulax ; Dinoflagellata ; Spiniferites ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 294-309
    Format: 16
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 74
    facet.materialart.
    Unknown
    Proceedings of the Second Technical Seminar on Marine Fishery Resources Survey in the South China Sea, Area II: Sarawak, Sabah and Brunei Darussalam Waters, 14-15 December 1998, Kuala Lumpur, Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26397 | 23782 | 2019-04-11 08:14:12 | 26397 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Due to gross over-exploitation and a paucity of adequate information on fishery oceanographic, environmental and biological conditions that sustain the fisheries of the South China Seas region, the fisheries have become greatly impoverished. The deficiency in scientific intelligence has also circumscribed all attempts at substantive and tangible planning or management of fisheries throughout the region. The NAGA Oceanographic Expedition of 1959-1961, organized jointly by the United States of America, The Kingdom of Thailand and the erstwhile Republic of Vietnam, achieved pioneering oceanographic work in the Gulf of Thailand and the South China Seas. This invaluable scientific data acquisition was not pursued for a number of reasons, and thus, a holistic and dependable profile of oceanographic conditions and their seasonal variations and patterns failed to develop. Perceiving the vital importance and the deficiency of fundamental information and data for fisheries planning and management, the SEAFDEC Training Department (TD) and the Marine Fisheries Resources Development and Management Department (MFRDMD), jointly launched an inter-Department Collaborative Research program in 1995, to evaluate the fisheries resources of the South china Sea as a basal objective in the development of sustainable fisheries.
    Keywords: Fisheries ; Oceanography ; Oceanography ; Oceanographic surveys ; Primary production ; Check lists ; Abundance ; Biomass
    Repository Name: AquaDocs
    Type: book
    Format: application/pdf
    Format: application/pdf
    Format: 370
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 75
    facet.materialart.
    Unknown
    Acute toxicity of 2, 3-dichlorovinyl dimethyl phosphate (Sniper 1000EC) and response of Clarias gariepinus Burchell under laboratory conditions (2021)
    Lagos (Nigeria) | FISON
    In:  http://aquaticcommons.org/id/eprint/24215 | 19325 | 2018-05-19 06:53:11 | 24215 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The study investigated the acute toxicity of 2, 3-dicholrovinyl dimethyl phosphate (Sniper 1000EC) on the African mud catfish, Clarias gariepinus juveniles (mean weight 19.47 ~c 1.05g) using static bioassay method. Sniper 1000EC is an organophosphate pesticide. Each treatment in the acute test was in triplicate with bioassay media concentration of 0,5, 10, 15 and 20 mg/l. Data on mortalities of fish, water physic-chemical parameters as well as changes in haematological indices were subjected to one way analysis of variance (ANOVA) at 5% probability level. Duncan multiple range test was used to separate differences between the means. The 96hr LC50 estimated by probit analysis during the exposure was found to be 8.20mg/l. Behavioural abnormalities of the exposed fish included erratic and uncoordinated swimming and bleached skin with lesion at the highest concentration (20mg/l). Blood dyscrasias attributable to the toxicant was observed with a significant (p〈0.05) decrease in haemoglobin, haematocrit, red blood cells, white blood cells, lymphocytes and monocytes. Mean corpuscular volume (MCV), Mean corpuscular haemoglobin (MCH), neutrophils, eosinophil and basophil increased significantly (p〈0.05) with increasing concentrations of the toxicant. These abnormalities in body and blood parameters as a result of exposure to the toxicant make the study to recommend that the use of Sniper 1000EC by local fishermen be banned to preserve aquatic lives in Nigerian inland water bodies.
    Description: Includes: 22 references.
    Keywords: Fisheries ; Pollution ; Clarias gariepinus ; Nigeria ; Niger State ; Sniper 1000EC ; Clarias gariepinus ; Toxicity ; Haematological indeces ; freshwater environment ; Toxicity ; Phosphate deposits ; Response analysis ; Freshwater fish ; Juveniles ; Bioassays ; Toxicity tests ; Physicochemical properties ; Controlled conditions ; Haematology ; Pollution monitoring
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 250-253
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 76
    facet.materialart.
    Unknown
    Potential impact of climate change on fisheries and aquaculture in Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24584 | 19325 | 2018-05-20 15:57:28 | 24584 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Climate change will have significant impacts on Nigeria's freshwater and marine aquatic systems. and hence on the countries fisheries and aquaculture. Fisheries and aquaculture are highly vulnerable to changes in weather pattern. and the impacts, which could be negative or positive, will vary from the coastal areas to the drier northern parts of the country. Elevated water temperalures will affect fish physiological processes, thereby affecting spawning. survival of the juveniles, recruit into the exploitable phase of population, population size, production and yield. The impacts of increased flooding of the freswater bodies will be negative through erosion of watershed, destruction of fish feeding and breeding habitats, decrease in primary productivity and alteration of the normal resilience of the aquatic systems, or positive in expansion of aquatic habitats for primary and fish productions especially during the dry season. Drought will exacerbate draw down of the lakes and reservoirs, and insufficient flow in the river hasins for spawning and primary pro duction thereby affecting fish production. Rise in the water level of the Atlantic ocean will lead to intrusion of more salty wafer into The river delta areas, and inundation of the coastal low-lying areas, thus affecting distribution of both the freshwater and marine fishes as a result of changes in the physical and chemical properties of the waters. The impacts will ultimately affect fish population, production and supply, thereby affecting the livelihood of over 26 million people engaged in the primary and secondary sectors of the fisheries industry, as well as food security of the country. The adaptation and mitigation strategies will be based on the peculiar characteristics and interactions of fisheries and aquaculture within the framework of feasible policy instruments. Strategies and policy measures need to be evolved to combat the observable and projected impacts of climate change on fisheries and aquaculture, in order to protect the livelihoods of the fishing communities and food security.
    Description: Includes: 13 references.
    Keywords: Atmospheric Sciences ; Aquaculture ; Fisheries ; Nigeria ; Climate change ; Fisheries ; Aquaculture ; Impacts ; Mitigation ; Food security ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 76-80
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 77
    facet.materialart.
    Unknown
    Benefit related relationship among artisanal fisher folks of Tombo fish landing community (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24603 | 19325 | 2018-05-21 12:20:04 | 24603 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Benefit related relationship among the artisanal fisher folks of Tomho, a fishing community in Western Rural District of Sierra Leone was studied. The study was carried out to ascertain the socioeconomic activities of the target group, their level of involvement and reasons for going into transactional sexual activities. Eighty (80) structured questionnaires were administered to randomly selected fishermen and people engaged in fish related activities and this was backed up hy the record of HIV cases especially among women at tht Tombo Community Health Centre. Data collected from the interview were treated using measure of central tendency such mean and percentages and results are presented in tables and charts. Respondents age ranged between 15-65 years; sex (fishermen to fish traders) was 71.3% (female) and 28.75% (males) respectively. Marital status of respondents was single, married, divorced, seperated and widowed. Predominant religion of repondents was Islam and Christianity. The study revealed that transactional sex in the study area is mediated by economic structural and environmental factors. The study also revealed that 70.12% of documented HIV cases at the Tombo Community Health Centre were female, while 29.87% were male between the active age of 15-55 years. Fish traders (68.8%) constituted the highest carriers of HIV in the study area.
    Description: Includes: 9 references.
    Keywords: Fisheries ; Sociology ; Nigeria ; Tombo ; Fishing communitu ; Transactional sex ; Socio-economic ; Community health Centre ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 146-149
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 78
    facet.materialart.
    Unknown
    Impact of water hyacinth (Eichhornia crassipes) on fish catch in the lower Taylor Creek area of Bayelsa State (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24605 | 19325 | 2018-05-21 12:24:48 | 24605 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The aim of the study was to access the impact of water hyacinth, Eichhornia crassipes on fish catch in the lower Taylor Creek area of Bayelsa State. The experimental approach involved the division of the creek into new stations: infested and non-infested at the littoral zone. Subsequently, the deployment of six Malian traps with dimensions of 70cm diameter and 80cm height were set in each station for a period of six months using groudnut cake as bails. Furthermore, fish caught were counted and identified into families and species. From results, fish species composition obtained from the stations were a total of 9 families and 15 species. However, it was observed that the water hyacinth infested area had the lowest fish catch while the non-infestated area had the highest number of fish catch for both dry and wet season. It is therefore concluded that the invasion of Eichhornia crassipes impacted on fish population and composition.
    Description: Includes: 12 references.
    Keywords: Ecology ; Fisheries ; Nigeria ; Eichhornia crassipes ; Fish catch ; Taylor creek ; Bayelsa ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 153-155
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 79
    facet.materialart.
    Unknown
    Assessment of heavy metals in water and fish from Ibrahim Adamu Lake, Jigawa, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24612 | 19325 | 2018-05-22 05:59:44 | 24612 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The study was conducted to assess the levels of heavy metals in water and the flesh of tilapia (Oreochromis niloticus). Water and tilapia were sampled for a period of 12 months from October, 2003-september 2004. Water and muscle tissue were analysed for Cu, Cr, pb, and Zn using flame atomic absorption spectrophotometer. The assessment showed Cr (3.35mg/l), Cu (0.75mg/l), pb (0.81mg/l) in water while Cr(2.27mg/kg) and pb (0.27mg/kg) were found to be high in the tissue samples and were above the values recommended by WHO and the Food and Agricultural Organization (FAO)of the United Nations and therefore not safe for human consumption.
    Description: Includes: 17 references.
    Keywords: Fisheries ; Pollution ; Oreochromis niloticus ; Nigeria ; Heavy metals ; Oreochromis niloticus ; Atomic absorption ; Spectrophotometer ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 179-181
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 80
    facet.materialart.
    Unknown
    Survey of physical characteristics of the upper reaches of new Calabar River, Niger Delta, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24618 | 19325 | 2018-05-22 06:12:36 | 24618 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: One of the priority research projects of the Nigerian Institute for Oceanography and Marine Research (NIOMR) is broodstock development and mass propagation of silver catfish, Chrysichthys nigrodigitatus of which the broodstock is naturally abundant in New Gala River. Selected physical characteristics and water physico-chemical parameters of the upper reach of the New Calabar River at Aluu were investigated. The highest depth value of 9.20 m was recorded in the middle of the river. The width of the river measured during spring high tide and low tide were 174 m and 110 m respectively. The cross-sectional area and average flow velocity of the river were 797.13 m2 and 0.374 m/s respectively. The discharge of the river was computed as 298.13m3/s. The river water was acidic most of the period (Hydrogen ion concentration, pH: 5.12 to 7.43), with low total alkalinity values (4.00 to 12.00 mgCaCO3/L) and low total hardness values (11.5 to 51.2 mgCaCO3/L) which indicate that the river water is black and soft. There was significant (p~,0.05) seasonal variation in temperature (23.1 to 31.7~'C\}, Secchi transparency (9.30 to 19.00 cm), total hardness (11.5 to 51.2 mgCaCO3/L), dissolved oxygen (5.20 to 7.50 mg/L) and dissolved oxygen deficit (0.02 to 2.95mg/L). These results are useful for several stake holders who use the river as a sink for trade wastes, as source of water for fish farming, as source of broodstocks of Chrysichthys nigrodigitatus, as raw water for water treatment plants, and as means of transportation of industrial materials.
    Description: Includes: 16 references.
    Keywords: Chemistry ; Fisheries ; Limnology ; Chrysichthys nigrodigitatus ; Nigeria ; New Calabar River ; New calabar River ; Physical characteristics and physico-chemical features ; Seasonal variation ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 206-210
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 81
    facet.materialart.
    Unknown
    Physico-chemical parameters in relation to fish production of Dadin Kowa Dam, Gombe State, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24619 | 19325 | 2018-05-22 06:14:16 | 24619 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Eight month physicochemical study of Dadin Kowa Dam was carried out forthnightly from July, 2011 to february 2012. Air temperature ranged from 18.25~'C ~c 28~'C ~c 0.50 to 28~'C ~c 2.16. Water tmperature ranged from 18.75~'C ~c 2.21. Transparency ranged from 11.00cm ~c 1.83 to 29.63 cm ~c ~c 2.14. Conductivity ranged from 13.00~Ks/cm ~c 13.33 to 41.38~Ks/cm ~c 5.54. Hydrogen ion (pH) ranged from 6.69 ~c 1.03 to 8.39 ~c 1.17. Dissolved oxygen ranged from 6.39mg/l ~c 1.03 to 10.14mg/l ~c 1.17. Total alkalinity ranged from o.69mg/l ~c 0.38 1.34mb/l ~c 0.02. Total ammonia ranged from 0.20mg/l ~c 0.027 to 0.83mg/l ~c 0.05. There were various levels of correlation between these parameters. There was no significant difference between both sites and months (p〉0.05) of all the parameters except total nitrogen which show a significant difference between the sites (p〈0.05) and transparency also shows a significance between the months (p〈0.05). All physicochemical parameters were almost within the tolerable limits for supporting aquatic life.
    Description: Includes: 27 references.
    Keywords: Fisheries ; Chemistry ; Nigeria ; Dadin Kowa Dam ; Physico-chemical parameters ; Fish production ; Dadin Kowa Dam ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 211-213
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 82
    facet.materialart.
    Unknown
    Genetic status of tilapia at Badore landing site using RAPD markers (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24620 | 19325 | 2018-05-22 06:15:41 | 24620 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Molecular technique based on Random Amplified Polymorphic DNA (RAPD) analysis was applied to study genetic status among tilapia species from Badore landing site of Lekki lagoon. Individual variations within species population were assessed using PCR-RAP analysis with five Operon primers (OPC04, OPA02, OPB08, OPE02 and OPF03, Operon Technologies Inc, USA) which revealed dif ferent banding patterns of varying primer reproducibility. Graphical representation using UPGMA cluster analysis produced a dendrogram chart with five clusters (~f, ~e, ~p ,~S, and ~W) indicating different degrees of variations and similarities. There were various levels of genetic similarity observed possibly due to hybridization. Nevertheless, few distinct variations among the samples were visible, show ing possible genetic variability. At 0.89 (89%) coefficient, cluster,~f is made up of 7 samples which are genetically similar. At 0.834 (83.1 %) coefficient, distinct sample BTl2 forms a cluster (~p) with cluster ~f which shows they are related at this coefficient. Cluster ~W (84% coefficient) comprising of 7 samples forms another cluster with a distinct sample BT06 at about 0.79 coefficients. At 78.6% coefficient (cluster ~e). All the samples are genetically similar except sample BT17. This distinct sample can increase genetic variability by a cross between it and other strains of tilapia. Therefore, care should be taken by fish farmers who buy or use the fish samples from this landing site for culture. Proper molecular characterization of this fish species before culture becomes necessary to avoid genetic problems.
    Description: Includes: 17 references.
    Keywords: Biology ; Fisheries ; Nigeria ; Genetic ; Tilapia ; RAPD ; Badore ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 214-216
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 83
    facet.materialart.
    Unknown
    Preliminary investigation of fish species abundance of Otammiri River, Owerri, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24626 | 19325 | 2018-05-22 06:25:03 | 24626 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: A study of fish species abundance of Otammiri River, Owerri, Nigeria was conducted from April to August, 2012. Four hundred and three (403)fishes belonging to 10 families, 16 genera and 21 species were collected from artisanal fishers using various fishing gears. The fish samples were taken to laboratory, identified, counted and their weights and lengths measured. The unnamed cichlid species ranked highest in percentage number and weight as well as Index of Preponderance (38.7%, 33.6% and 51.1% respectively), while the least were Polycentropis abbreviata, Hepsetus odoe, Synodontis omias, Chrysichthys aluensis and Chrysichthys furcatus each constituting 0.2% of the total number of fish collected. Among fish families, Cichlidae ranked highest in percentage number (82.63%) and weight (81.2%), followed by Hepsetidae (5. 7% and 8.0%) and Anabantidae (4.47% and 2.8% respectively). The least were Characidae, Notopteridae and Mochokidae. The presence of an unnamed fish species in the river is an indication that there could be more unknown aquatic living resources with strong potential benefits to the River. The information provided in this study reflects the potential of the fish resources of Otammiri. This will serve as invaluable baseline tool in fisheries management planning and policy formulations that will enhance the development of fisheries in the area.
    Description: Includes: 15 references.
    Keywords: Ecology ; Fisheries ; Polycentropsis abbreviata ; Hepsetus odoe ; Synodontis omias ; Chrysichthys aluensis ; Chrysichthys furcatus ; Nigeria ; Otammiri River ; Index of preponderance ; Fisheries management ; Otammiri River ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 237-240
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 84
    facet.materialart.
    Unknown
    Fecundity, gonadosomic index and spawning period of Chrysichthys nigrodigitatus of the Lower Cross River, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24629 | 19325 | 2018-05-22 06:30:19 | 24629 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The estuarine catfish, Chrysichthys nigrodigitatus, is a prized food fish in Nigeria especially in the Niger Delta region. There is a growing concernrn over the sustainability of the fishery in the face of climate change and environmental variability. Studies were conducted on the fecundity, gonadosomatic index and the spawning period of the species. The objectives were to determine the average fecundity of the species and to use the gonadosomatic index to determine its spawning period with the aim of proffering management advice and prerequisites of the species in the face of climate change. A total of 44 females and 40 males were used for the study which spanned the period from May 2011 to April 2012. The fecundity of the species ranged from 3,730.5 eggs to 41,535.9 eggs. There was correlation between the total fecundity and fish weight (p~,01, r= 0.80, n= 44). The regression model for the relationship was expressed as fecundity = 4660.8+4.76 weight. The gonadosomatic index was highest in the month of May and dropped sharply in june signifying that spawning in Chrysichthys nigrodigitatus starts around this period. The implications of these findings in respect to sustainability of the species, and its aquaculture in the face of climate change are discussed.
    Description: Includes: 14 references.
    Keywords: Fisheries ; Atmospheric Sciences ; Chrysichythys nigrodigitatus ; Nigeria ; Lower Cross River ; C. nigrodigitatus ; Reproduction ; Climate change ; Cross Rivber ; Sustainability ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 253-255
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 85
    facet.materialart.
    Unknown
    Fish processing technologies in Eti-Osa Local Government Area of Lagos State, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24671 | 19325 | 2018-05-23 07:46:56 | 24671 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Traditional fish processing technologies vary widely in terms of equipment type, size and processing efficiency in Nigeria's coastal states. This study was carried out to identify fish processing technologies and evaluate the effectiveness, energy sources and efficiency of fish smoking equipment in use in the study area. Data were collected using structured questionnaire administered between January and March, 2011 in seven fishing villages along the coastline in the lbeju-Lekki LGA, Nigeria. Major fish species being processed were identified; and the profitability of the post harvest technologies adopted was evaluated. A total of five traditional fish processing equipment were observed; and included galvanized iron sheet supported by planks 51 (46.4%); drum oven 8 (7.2%); black clay oven 24 (21.8%); red clay oven 9 (8.1%); brick kiln 5 (4.2%) and government model kiln 4 (3.5%). Generally, energy sources were fuel wood and charcoal for traditional fish processing equipment; and electricity for the government model kiln. Majority of traditional fish processors were peasant women; and three types of processing technologies were observed, including air drying (1.0%), hot smoking 169.1%); and salting and smoking (29.9%). The capacity of kilns and ovens observed ranged from 20 to 50kg daily with a price range of Nl0,000 to N50,000. Factors considered before replacement of smoking equipment by the processors were equipment ruggedness, cost and production capacity. Women's involvement in traditional fish processing was 95%; and major fish species in the value chain included Ethmalosa fimbriata, Caranx senegallus, Sardinella maderensis,Drepane africana, Cynoglossus monodis, Pseudotolithus megalensis, P. typus, Arius latiscutatus and A. mercatoris. It was observed that products of traditional fish processing industry were readily acceptable to consumers and commanded marginal market prices with optimal economic benefits to processors.
    Description: Includes: 25 references.
    Keywords: Fisheries ; Nigeria ; Fish value chain ; Coastline ; Processors ; Women ; Traditional fish processing equipment ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 423-427
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 86
    facet.materialart.
    Unknown
    Fisher folk's response to climate change in New Bussa and its environs of Kainji Lake Basin, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24661 | 19325 | 2018-05-27 14:57:38 | 24661 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The study examined fisher folk responses to climate change in Kainji lake basin. The sample comprises of fisher folks within and New Bussa. Eighty questionnaires were administered to obtain the primary data and analysed using descriptive and inferential statistical tools. The results revealed that majority (70%) of the respondent were male, however (61.2%) of them had tertiary education. Majority (60%) of the respondents were aware of changes in climate in the area. Majority (65%) and (55%) of the respondents were involved in incidence of deforestation and charcoal production respectively. In conclusion, it was discovered that little knowledge about climate change and its effects were found among fisher folk. Therefore it recommends that sensitization workshops/lectures be done to enable the fisher folk have adequate knowledge on climate change and the implications on fisheries activities in the basin.
    Description: includes: 11 references.
    Keywords: Pollution ; Fisheries ; Nigeria ; Climate change ; Fisher folk ; Fishing community ; Awareness ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 380-384
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 87
    facet.materialart.
    Unknown
    Public relations and extension services in Nigerian fisheries industry (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24663 | 19325 | 2018-05-27 14:59:47 | 24663 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The paper discussed the importance of fish as a food commodity and the rich icthyofauna resources of Nigerian territorial which has not been optimally utilized to be sustainable. Among the challenges facing the fisheries subsector of Nigerian economomy apart from overfishing, poor post-harvest technology and high incidence of sea piracy is poor level of communications, public relations, restricted access to extension services especially to the rural artisanal fisherfolks/fish farmers in Nigeria . This has been identified as contributory to the increasing shortfall between demand and supply of fish in Nigeria. There is a need/or a good public image fisheries concerns. Production and marketing personnel need to respect the wishes of the consumers and have good interpersonal relationships. Communication should be a 2-way affair between the extension officers and the fisherfolks in the rural communities to be achieved. The various media that could aid better dissemination in the Fisheries subsector were highlighted. The author recommended better funding, training of extensionists and target audience, improved public sensitization of rural practitioners to fish output. There is a need for a more productive and result-oriented reform in Nigerian extension system. A unified extension is also recommended for effective extension education from the stage of production, handling, processing, transport and retailing. More conducive enabling environment should be created by the government.
    Description: Includes: 13 references.
    Keywords: Fisheries ; Nigeria ; Public relation ; Communication ; Funding ; Extensionists ; Fisherfolks ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 388-391
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 88
    facet.materialart.
    Unknown
    Comparative nutritional composition of smoked catfish (Clarias gariepinus) produced from NIOMR smoking kiln and local cut-drum oven (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24668 | 19325 | 2018-05-23 07:52:49 | 24668 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The effects of two different preservative equipment-the NIOMR (Nigerian Institute for Oceanography and Marine Research) kiln and local cut-drum oven-on crude protein, minerals and vitamins of C. gariepinus were studied. The fish were obtained from Africa Regional Aquaculture Centre, Aluu, Port Harcourt. Moisture, crude protein, crude fibre, crude fat and ash content were determined using standard methods. There were significant differences (P〈0.05) in the moisture and crude fiber content. The moisture content of the fish sample ranged from 2.18 to 5.98, this could be attributed to the drying methods. The crude fibre content ranged from 2.78 and shows no significant difference. The ash content of the samples ranged from 0.25- 0.6%, an indication that smoking reduces the ash content of fish. Result of the crude protein of fresh fish was 21.84 ~c 1.10 which increased to 59.53 ~c 1.88 and 35.41 ~c1.00 in NIOMR smoking kiln and local oven respectively. This means that, there was a significant different in the effects of the two dryers on crude protein. The vitamin content of both ovens showed no significant difference except in vitamin A which was significant in the fish dried with smoking kiln. There was significant different (p〈0.05) in the mineral content of the two drying equipment, this was in Sodium, Potassium and Phosphorus level of fish smoked with NIOMR smoking kiln. This result indicates that the two drying methods have varying effects on the nutritional quality of catfish, which is in favour of NIOMR kiln.
    Description: Includes: 8 references.
    Keywords: Fisheries ; Nigeria ; Smoking ; Production ; Preservative research ; Quality ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 412-414
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 89
    facet.materialart.
    Unknown
    Status of fishing condition in Indonesia in relation to responsible fishing (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26217 | 17342 | 2019-02-08 06:14:09 | 26217 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Sustainable fishing ; Fishery management ; Fishery policy ; Fishery regulations ; Fishery resources ; Fishery protection
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 71-86
    Format: 16
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 90
    facet.materialart.
    Unknown
    Strategy for the implementation of the code of conduct for responsible fisheries (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26229 | 17342 | 2019-02-13 06:35:32 | 26229 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: This paper presents the strategy for the implementation of the Code of Conduct for Responsible Fisheries (CCRF). CCRF was adopted by the Twenty-eighth Session of the FAO Conference in October 1995. It is of a voluntary nature that covers all fisheries including aquaculture and related activities. It seeks to ensure that aquatic resources are exploited and utilised responsibly and in accordance with long-term principles of sustainability.
    Keywords: Fisheries ; Fisheries ; Sustainable fishing ; Sustainability ; FAO Code of Conduct for Responsible Fisheries ; Fishery management ; Fishery policy
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 192-197
    Format: 6
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 91
    facet.materialart.
    Unknown
    The experiments on turtle excluder devices (TEDs) for shrimp trawl nets in Thailand (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26235 | 17342 | 2019-02-13 03:22:59 | 26235 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The purpose of this paper is to determine a suitable type of Turtle Excluder Device (TED) attached to the body of a shrimp trawl to avoid inflicting harm on marine turtles. Seven types of the TEDs were tested; three brought from U.S.A. namely the Anthony Weedless, the Super Shooter and the Bent Pipe, two brought from Mexico namely the Georgia Jumper and the Mexican, and two were designed by Kasetsart University and SEAFDEC/TD, Thailand, namely the Thai-KU and Thai Turtle Free Device (TTFD), respectively. No turtles were caught in any of the areas off Chumporn and Songkhla during a total of 120 hauls. The escape rate by weight of the Super Shooter and TTFD were found to be 2.67% and 1.80% for day-time operation and 1.91% and 1.04% during the night, respectively, this indicated that they were the most efficient TED. The fuel consumption for all TEDs showed little difference. In terms of convenience in operation, the TTFD was found to be the best and the most suitable TED for the use by Thai fishermen.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; Turtle entanglement ; Turtle excluder devices ; By-catch excluder devices ; Sea turtles ; Trawling ; Trawl nets ; Gear selectivity ; Shrimp fisheries
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 266-297
    Format: 32
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 92
    facet.materialart.
    Unknown
    Southeast United States fisheries bycatch reduction research in shrimp trawl fisheries (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26238 | 17342 | 2019-02-13 03:45:16 | 26238 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Presented in the paper are the two devices that were developed by some states in the southeast United States to reduce fisheries bycatch in shrimp trawls. These were Turtle Excluder Device (TED) and Bycatch Reduction Device (BRD). First, the use of TEDs were strongly resisted by some fishermen, however, when it was mandatory and regulations effectively enforced, fishermen found that it improved shrimp production and the quality of catch. Moreover, also presented in the paper are the two bycatch reduction devices that are being regulated into use in United States, the Fisheye BRD, and the Extended Funnel BRD that are found to effectively reduce the finfish bycatch.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; Turtle entanglement ; Turtle excluder devices ; By-catch excluder devices ; Sea turtles ; Trawling ; Trawl nets ; Gear selectivity ; Shrimp fisheries ; By catch ; Sociological aspects
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 329-339
    Format: 11
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 93
    facet.materialart.
    Unknown
    Status of fishing conditions in the Philippines in relation to responsible fishing (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26223 | 17342 | 2019-02-14 03:43:16 | 26223 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: In 1990-1995 the aquaculture and commercial fisheries in the Philippines achieved a positive growth, on the other hand, the municipal fisheries has been declining. The government's open-access policy in fisheries had been identified as the cause of the problem. Thus, to address the situation the government regulated the fishing effort within sustainable yield levels. Major fishing technologies and practices were also presented in the paper. Likewise, the policies regulating the area of fishery operations, and the fishing gears were also presented.
    Keywords: Fisheries ; Fishing ; Sustainable fishing ; Sustainability ; Marine fisheries ; Policies ; Fishery policy ; Fishery development ; Fishery management ; Fishing effort ; Fishing gear ; Fishery regulations
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 119-124
    Format: 6
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 94
    facet.materialart.
    Unknown
    Application of the Australian trawl efficiency device in Australia’s northern prawn fishery (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26239 | 17342 | 2019-02-13 03:32:53 | 26239 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The following paper is made up of three field trip reports covering the testing and commercial use of the Australia Trawl Efficiency Device (AusTED). The work was carried out in the Northern Prawn Fishery (NPF) aboard five NPF vessels between July 95 and November 96. The study was undertaken in accordance with the program outlined in the FRDC funded project Development and application of AusTED in the Australia trawl industry. The AusTED performed exceptionally well. In fact big catches of prawns, fish and large marine creatures appear to be what the AusTED requires to fully show off it s value as a trawl efficiency device. It excluded all large creatures encountered while maintaining prawn catches. The reduction in small fish was as high as 60% but averaged around the 30% mark. Testing of the AusTED was carried out on trawlers fishing for tiger prawns and endeavour prawns in the Gulf of Carpentaria (GOC) and red leg banana prawns in the Joseph Bonaparte Gulf (JBG). The following reports cover catch comparisons between standard nets and those rigged with AusTED. Recommendations and personal opinions from NPF skippers operating in the Gulf of Carpentaria and the Joseph Bonaparte Gulf are also included.
    Keywords: Fisheries ; Sustainable fishing ; Sustainability ; Marine fisheries ; Turtle entanglement ; Turtle excluder devices ; By-catch excluder devices ; Sea turtles ; Trawling ; Trawl nets ; Gear selectivity ; Shrimp fisheries ; Commercial fishing ; Commercial species ; Fishery industry
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 340-355
    Format: 16
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 95
    facet.materialart.
    Unknown
    Training and extension program on responsible fishing in Indonesia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26243 | 17342 | 2019-02-13 05:39:27 | 26243 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Series of research and seminars were currently carried out in Indonesia to build sufficient scientific evidences in formulating national policy on Responsible Fishing. With those activities, it is expected that suitable and proper training materials could be established. Five Fishing Training Center within the country are ready to conduct intensive training program in Responsible Fishing. Action program for this matter, is yet to be planned. A subregional or regional collaboration on research and training material provisions might accelerate the implementation of the Responsible Fishing.
    Keywords: Fisheries ; Fishery management ; Sustainable fishing ; Sustainability ; Training ; Capacity building ; Education ; Extension activities ; Fishery resources ; Policies ; Fishery policy ; Gear selectivity ; Fishing grounds ; Marine fisheries
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 389-397
    Format: 9
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 96
    facet.materialart.
    Unknown
    Cooperative research in Asian fisheries-future directions and opportunities (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26247 | 17342 | 2019-02-13 03:47:22 | 26247 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The fisheries of many countries in Asia are heavily reliant upon fisheries as a major source of food protein with fish consumption levels two to three times higher than those of western countries and collectively, the region harvests approximately forty percent of the world's marine fishes. With many of the region's fish resources fully exploited or over fished, identification, quantification and reduction of biological waste in commercial fisheries has become a regional priority. However, given the complexity of multi-species fisheries and fish utilization practices as well as the technological difficulties already encountered make finding practical solutions by individual researchers or institutes extremely difficult. Within the region exist human resources, research and development facilities and equipment that if shared could significantly speed up the process of biological waste mitigation. This paper, identifies some of the current problems associated with biological waste mitigation and proposes that resolving these issues is best achieved through information, facility and human resource sharing. An initial target of setting minimum standards for fishing trials, experimental protocols and analytical techniques is proposed with a second step being the establishment of information databases of technologies to reduce biological waste. Administrative support, strategic planning and management of regional databases and the activities of scientists and technologists can only be carried out by a regional agency such as SEAFDEC or ICLARM. International cooperation between agencies, institutes and researchers is a pre-requisite for long term resolution of technological problems.
    Keywords: Fisheries ; International cooperation ; International organizations ; Fishery institutions ; Fishery development ; Fishery organizations ; Research programmes ; Fishery management ; Planning ; Sustainable fishing ; Sustainability
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 432-442
    Format: 13
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 97
    facet.materialart.
    Unknown
    Some physical and chemical characteristics of bottom sediments in the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26322 | 23782 | 2019-03-28 08:23:35 | 26322 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Investigations on horizontal and vertical distribution in levels of total organic matter contents (TOM), acid volatile sulfides contents (AVS), and water contents (WC) of bottom sediments from the eastern and western parts of the Gulf of Thailand and the eastern part of the Peninsular Malaysia have been carried out during 5-28 September 1995 and 24 April to 17 May 1996 by M.V. SEAFDEC. The overall results indicated comparatively low amount of organic matters and sulfides deposited in the sediments. Considering on the vertical profiles, coupled efforts of low rate of sedimentation of the organic matters and high rate of their decomposition should play an important role providing fast diagenesis of their organic substances. Nevertheless, the particulate matters which had settled onto the sea bed and formed the sediments can be remarkably observed to accumulate in two major zones in the Gulf of Thailand; one in the central part of the upper gulf (around Station 7) and another one in the western part of the gulf, near Samui Island (around Station 23). Such an accumulation pattern was considered to be directly controlled by the bottom topography and current effort. The accumulation of organic materials there also implied the mode of biological fishery resources. High abundant of organisms in the benthic community should be observed. Moreover, according to biogeochemical interaction between the sediment-water interface, phytoplankton production in the overlying water column should be enhanced and, consequently, a congregation of organisms in the upper trophic levels especially those of fish species were accordingly expected. Future assessment for development of the fishery resources in the Gulf of Thailand and the eastern part of Peninsular Malaysia has been discussed.
    Keywords: Fisheries ; Oceanography ; Biogeochemical cycle ; Organic matter ; Phytoplankton ; Sedimentation ; Trophic levels ; Sediment analysis ; Vertical profiles ; Benthos ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 12-33
    Format: 22
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 98
    facet.materialart.
    Unknown
    Primary production determination in the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26339 | 23782 | 2019-03-22 06:09:02 | 26339 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: Primary production in the Gulf of Thailand and the East Coast of Peninsular Malaysia was determined from in situ fluorescence, light intensity in September-October, 1995 cruise, and from the uptake of radioactive carbon incubation in the October, 1996 cruise. The primary production rate was found to be 0.20-0.61 and 0.29-0.47gC/m2/day for the Gulf of Thailand and the East Coast of Peninsular Malaysia, respectively. At nearshore stations, higher rate of primary production was found at sea surface, and it gradually decreased with depth. However, at offshore stations, where subpycnocline chlorophyll maximum was found, the rate was increased again at this layer.
    Keywords: Fisheries ; Phytoplankton ; Primary production ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 135-146
    Format: 12
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 99
    facet.materialart.
    Unknown
    Species composition and diversity of fishes in the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26346 | 23782 | 2019-03-22 05:56:05 | 26346 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: The collaborative research on species composition and diversity of fishes in the Gulf of Thailand and eastern Malay Peninsula was carried out by R. V. Pramong 4 in Thai waters and K.K. Manchong, K.K. Mersuji in Malaysian waters, through otter-board trawling surveys. Taxonomic surveys also done for commercial fishes in the markets of some localities. Totally 300 species from 18 orders and 89 families were obtained. Their diversity are drastically declined, compare to the previous survey from 380 species trawled. The station point of off Ko Chang, eastern Gulf of Thailand and off Pahang River shown significantly high diversity of fishes 57 and 73 species found. Demersal species form the main composition of the catch. The lizardfish Saurida undosquamis, S. miropectoralis, the bigeye Priacanthus tayenus and P. macracanthus, the rabbitfish Siganus canaliculatus and hairtail Trichiurus lepturus were the most abundant economic species found in mast of the sampling stations. Fishing efforts were 34 hours and 49 hours for the cruises I and II, with average catch per hour of 12.04 and 34.79 kg respectively. The maximum catch per hour was 175.3 kg in Malaysian waters, the minimum was 4.33 kg in Thai waters. The average percentage of economic fishes is higher than that of trash fishes in Malaysian waters, it ranged from 55.45 to 81.92 %.
    Keywords: Fisheries ; Marine fisheries ; Marine fish ; Catch composition ; Fishery surveys ; Species diversity ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 172-240
    Format: 69
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 100
    facet.materialart.
    Unknown
    Distribution of macrobenthos in the South China Sea, Area I: Gulf of Thailand and east coast of Peninsular Malaysia (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakan, Thailand
    In:  http://aquaticcommons.org/id/eprint/26349 | 23782 | 2019-03-22 06:20:51 | 26349 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2021-07-24
    Description: A study on the macrobenthos profile was conducted using the research vessel MV SEAFDEC in almost all parts of the Gulf of Thailand and the East Coast of Peninsular Malaysia. A total of 44 stations were located within the Gulf of Thailand and 37 within that of East Coast of Peninsular Malaysia. Two cruises were carried out during the pre-and post-north-east monsoon. Macrobenthos showed greater density in Malaysian waters during the pre-monsoon period with 2500 individuals (at an average 67.6 individuals/m2) compared to the Gulf of Thailand which showed 860 individuals (average 19.5 individuals/m2). However, sampling after the monsoon has indicated quite the reverse, with 2680 individuals (60.9 individuals/m2) found in the Gulf of Thailand compared to 620 individuals (16.8 individuals/m2) in the East Coast of Peninsular Malaysia. All samples from both cruises were dominated by polychaete worms, followed by crustacea. Other groups such as echinoderms, molluscs, nemertians and sipunculids were also observed in lesser quantities. In terms of diversity, the Gulf of Thailand showed less families/taxa before the monsoon (with 20 families) than after the monsoon (with 35 families). The reverse holds true for the east coast of Peninsular Malaysia when 33 families were uncovered before the monsoon compared to 26 families after the monsoon. Among the dominant families/taxa were the polychaetes Cirratulidae, Orbiniidae, Eunicidae and Maldanidae; caridean shrimps and ophiuroids (brittle star).
    Keywords: Fisheries ; Oceanography ; Geographical distribution ; Species diversity ; Population density ; Zoobenthos ; Polychaeta ; Crustacea ; South China Sea ; Gulf of Thailand ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 285-293
    Format: 9
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...