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  • 1
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    The role of information in harnessing fisheries and eco-tourism for national development (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23001 | 19325 | 2018-03-05 09:29:09 | 23001 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: The importance of information in every sector cannot be over-emphasized. The ability to identify and utilize our natural endowment depends on the availability of information resources within or at the right time. The low level of information provision in Nigeria is attributed to infrastructure as a result of inadequate funding of the sector. Research has shown that information has revolutionized the society, moving the world from the industrial age to the information age and completely changing the way the economy functions. Success goes with the best information. However, for now, if there must be increase in fish production and eco-tourism participation, employment opportunities, poverty reduction, food security and nature appreciation in terms of environment and living creatures, our fisheries scientists and policy makers will have to rely on sources of information using the advantage of libraries, and Information Communication Technology (lCT). This development in information resources affects many areas of Nigerian economy including the fisheries and eco-tourism sectors. The contribution of information resource in the development of the fisheries sub-sector can be viewed under those of fisheries information products like the Nigerian Fisheries and Aquatic Sciences. (NIFFIC) database, Proceedings of national conferences of Fisheries Society of Nigeria (FISON), annual and technical reports Fisheries Research Institutes in Nigeria. Also to be brought under perspective is the information products of eco-tourist institutions like the Nigerian National Parks.
    Description: Includes:- 1 table.;1 fig.
    Keywords: Fisheries ; Information Management ; Nigeria ; brackishwater environment ; freshwater environment ; marine environment ; Information services
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    Format: 178 - 182
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  • 2
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    Analysis of physicochemical characteristics of some freshwater bodies in Essien Udim Local Government Area of Akwa Ibom State, Nigeria (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23044 | 19325 | 2018-03-05 20:45:24 | 23044 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: The physical and chemical characteristics of freshwater bodies Ikot Ebak and Abeneyentem streams in Essien Udim Local Government Area, Akwa Ibom State, Nigeria were studied from (July December 1996). The mean values obtained in the two water bodies were pH (6.8~c0.12, 6.8~c0.09, respectively). Conductivity (4.9~c2.26, 5.0~c2.09 iScm-1), total dissolved solid (16~c7.58, 37~c26.9 mg/l), TSS (46~c26.0, 53~c53.1)g/l), alkalinity (17.5~c7.27, 10.7~c8S MgCaCo3/1), DO (6.98~C1.46, 8.3~C29.0mg/1), BOD (2.65~c2.44, 3.15~c2.79mg/1), Salinity (0.41~c0.12, 0.31~c0.04%o') total hardness (0.64~c0.21, 0.84~c0.42mg/l, N03-N (0.31~cO.26, 0.35~c0.29mg/l), and PD4-P (0.022~c0.0199 0.023~c.022mg/1), respectively. There were significant difference in the means of the parameters in the two water bodies except TDS, Alkalinity and Hardness. The water bodies were found to be slightly acidic with low conductivity. The properties in the water bodies were in conformity with international standards for both drinking and aquatic life.
    Description: includes:- 2 tables.;6 refs.
    Keywords: Chemistry ; Limnology ; Nigeria ; Ikot Ebak ; Nigeria ; Abeneyentem ; freshwater environment ; Physicochemical properties ; Alkalinity ; Salinity ; Dissolved oxygen
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    Format: 310 - 312
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  • 3
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    Women in frozen fish marketing in Lagos State: strategies and methods (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23067 | 19325 | 2018-03-10 14:36:09 | 23067 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: Lagos state has a major sea port for landing of frozen fish from Mauritania, Senegal, the Scottish waters and other European countries. In the last three years, the dense population of the state has encouraged all kinds of trade to thrive. Fish as a major food in many Nigerian diets has been known to complement the high carbohydrate intake of majority of the Nigerian populace because of the unaffordable prices of beef in the market. The market for frozen fish is rich in Lagos. It has provided many women fishmongers a livelihood for over a decade. They have been able to sustain their families and improve their social status over the years. This study reports the modus operandi of the trade. The study covered a period of three months. Fish sales were monitored in Epe, Oyingbo, Ijora and Alaba markets. The cooperation of the heads of markets (Iya Olojas) were requested at every market. It was ensured that observations and the interviews/questionnaires do not interfere with the women's activities. Specific areas focused upon in the study included countries of fish imports, most acceptable species, packaging, purchase price, sales price and profit margins. Other important factors in the fish market that were studied included entrance into the fish marketing business, sources of finance and problems. The study also made suggestions on how to improve upon the fish marketing business of women in Lagos State.
    Description: Includes:- 1 table.;3 refs.
    Keywords: Fisheries ; Sociology ; Nigeria ; Lagos State ; Frozen Fish ; freshwater environment ; marine environment ; Women ; Frozen products ; Processed fishery products ; Marketing ; Chilling storage
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    Format: 409 - 412
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  • 4
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    Comparative analysis of physicochemical characteristics of ABU and Zaria Dam (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23440 | 19325 | 2018-05-02 08:25:12 | 23440 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The physical and chemical parameters of ABU Dam and Zaria Dam were carried out between September and October 2009. The results obtained in the two water bodies were temperature 27.7 0C, pH (7.5 and 7.3), dissolved oxygen (5.8 mg/l and 5.0 mg/l), biochemical oxygen demand (1.74 mg/l and 2. 16 mg/l), alkalinity (58 mg CaC03/l and 49 mgCaCO3/l) P04-P (2.47 mg/l and 1.59 mg/l) NO3-N (3.67 mg/l and 3.47 mg/l), conductivity (54.70 ~ks-1 and 42.48 ~ks-1), total hydrocarbon (TH) (47.66 mg/l) and 48.00 mg/l) and total dissolved solids (32.68 mg/l and 25.35 mg/l) respectively. There was no significant difference in the mean values of the parameters (P〉0.05) except conductivity and total dissolved solids. The water bodies were found to be neutral with high conductivity. All the properties in the water bodies were in conformity with international standards both for drinking and aquatic life.
    Description: Includes:- 2 tables.;7 refs.
    Keywords: Chemistry ; Limnology ; Pollution ; Nigeria ; Zaria Dam ; Nigeria ; ABU Dam ; freshwater environment ; Physicochemical properties ; Pollution
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    Format: 144-146
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  • 5
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    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
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    Format: 153-157
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  • 6
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    Spatial and temporal variations of physicochemical variables in a small 'pristine' stream in Niger Delta, Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23445 | 19325 | 2018-05-02 08:32:33 | 23445 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Spatial and temporal variations of physico-chemical variables of Onu-Iyi ?Ukwu stream were studied for 12 months from March 2005 to February 2006. Three sampling stations were established along the main stream channel from source to mouth. Spatial variation in physico-chemical parameters indicated that total alkalinity, total hardness, conductivity, and nitrate-nitrogen (NO3) recorded their highest values at the upper reaches (with values 14.0mg/l, 88.09mg/l, 17.00~kscmiscm, and 0.60mg/l respectively). Dissolved Oxygen (DO) and pH had their maximum values of 8.20mg/l and 6.94 at the middle reaches. Turbidity, biochemical oxygen demand (BOD), temperature and phosphate-phosphorus (PO4) increased steadily from source to mouth. The observed seasonal variation indicated that wet season values were higher for all the parameters except temperature, turbidity, phosphate-phosphorus (PO4) and total alkalinity although the values were not statistically significant at p〉0.05. The correlation coefficient (r) showed no significant relationships p〈0.05 between physico-chemical parameters except DO and BOD with correlation values of (0.75 and -0.54) respectively.
    Description: includes:- 2 tables.;1 fig.;17 refs.
    Keywords: Chemistry ; Limnology ; Nigeria ; Onu-Iyi-Uku Stream ; freshwater environment ; Physicochemical properties ; Phosphates ; Phosphorus ; Turbidity
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    Format: 174-180
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  • 7
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    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
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    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
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    Format: 226-231
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  • 8
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    Limnological studies of Bosso dam and it's tributaries in Minna, Niger State, Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23449 | 19325 | 2018-05-02 08:39:20 | 23449 | Fisheries Society of Nigeria
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    Publication Date: 2021-07-14
    Description: The physico-chemical parameters of Bosso Dam were analyzed weekly for a period of six (6) weeks from 29th October, 2009. In all, six (6) stations were identified within the dam. The physico-chemical parameters assessed were: temperature, dissolved oxygen, pH, alkalinity, hardness, conductivity and transparency. The results obtained from the analysis revealed slight variations in most parameters. There was no significant difference p〉0.05 in pH regardless of stations and weeks. But significant difference p〉0.05 were observed in dissolved oxygen, nitrate, temperature, conductivity, hardness, alkalinity, biological oxygen demand, transparency, in respect regard to stations. These variations could be due to influx of organic waste from surface run offs and inorganic waste deposited by man. The physico-chemical parameters observed, indicated that most of them fall with the recommended range or standard by the Federal Ministry of Environment
    Description: Includes:- 2 tables.;10 figs.;18 refs.
    Keywords: Chemistry ; Limnology ; Nigeria ; Bosso dam ; freshwater environment ; Physicochemical properties ; Chemical properties ; Physical properties ; Water properties
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    Format: 196-214
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  • 9
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    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
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    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
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    Format: 1-38
    Format: 38
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  • 10
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    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
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    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
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    Format: 683-693
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  • 11
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    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
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    Format: 459-464
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  • 12
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    The rise of peri-urban aquaculture in Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23533 | 19325 | 2018-05-10 09:40:52 | 23533 | Fisheries Society of Nigeria
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    Publication Date: 2021-07-14
    Description: The paper traced aquacultural development in Nigeria to the colonial period in 1950s with fish farming in tilapias during which more than 200 small scale subsistence level ponds were built with some growth continuing in the rural areas. There was a bloom in farming of catfishes in 2000. The interest shown by private fish farmers has been identified as a propelling factor for aquacultural development in Nigeria. The development of private fish hatcheries has been another factor leading to the growth of aquaculture. The paper noted that social capital and its development either directly or indirectly can be identified as contributing to the success of the sectors. The increasing profit from aquaculture has led to fish farmers increasing beyond 5000 tonnes in 2009. The paper highlighted the numerous advantages which led to the expansion of the industry in Nigerian villages.
    Description: FISON EKO 2010: Invited paper. Pagination on document pp. 1-15 Include:- 1 table.;16 figs.;14 refs.
    Keywords: Aquaculture ; Nigeria ; brackishwater environment ; freshwater environment ; marine environment ; Aquaculture ; Fish culture ; Aquaculture development
    Repository Name: AquaDocs
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    Format: 114-128
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  • 13
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    Developing shellfish industry in Nigeria: technology and economics (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23534 | 19325 | 2018-05-10 09:44:16 | 23534 | Fisheries Society of Nigeria
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    Publication Date: 2021-07-14
    Description: The paper asserted that shellfish resources are poorly developed and utilized in West Africa. This was proved by the fact that in 2008 total marine shellfish capture production in West Africa was only 29,815 tonnes. The advantages of Nigeria in beefing up its production are highlighted. Some of these advantages are on extensive coast line which has not been affected by industrial pollution. The tropical climate is also an advantage for growing of cultured shellfish. The paper highlighted that to maximize the potential of shellfish Mari-culture development requires education, training, seed production technology, grow-out technology, processing and marketing. These requirements are discussed in details in the paper.
    Description: FISON EKO 2010: Invited paper Includes:- 3 tables.;9 figs.;60 refs.
    Keywords: Biology ; Aquaculture ; ASE ; Nigeria ; Coast ; marine environment ; Shellfish ; Shellfish culture ; Shellfish fisheries
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  • 14
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    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
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    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
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  • 15
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    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
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    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
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    Format: 91-113
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  • 16
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    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
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    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
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  • 17
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    Fisheries and ecotourism: a tool for national development (2021)
    Fisheries Society of Nigeria | Lagos, Nigeria
    In:  http://aquaticcommons.org/id/eprint/23004 | 19325 | 2018-03-05 09:27:38 | 23004 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: The paper which is a key note address, examined the concept of the United Nations Conference on Environment and Development (UNCED) held in Rio de Janeiro (Brazil), June 1992 as it relates to fisheries and land based tourism. The significance of fisheries to the world economy and the trends in global fisheries production are highlighted. The world production is put at 130.8 million tonnes, while production in Nigeria is put at 408.9 tonnes. The relationship between fisheries and ecotourism are discussed. Advantages in co-developiong fisheries and ecotourism are highligthed.
    Description: Includes:- 6 tables.;5 figs.;11 refs.
    Keywords: Conservation ; Fisheries ; Nigeria ; Ecotourism ; freshwater environment ; marine environment ; Fishery management ; Marine parks ; Sanctuaries ; Tourism ; Recreation ; Conservation ; Fishery development ; Nature conservation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 3 - 12
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    Assessment of water quality in Kigera Fish Farm, New Bussa (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23017 | 19325 | 2018-03-05 09:26:57 | 23017 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: The physico-chemical and biological characteristics and nutrient concentration of Kigera Fish Farm ponds were monitored for two months to assess the water quality. The parameters measured were dissolved oxygen, temperature, hydrogen ion concentration, Secchi-disc transparency and zooplankton composition. Some fish species were identified in the course of study. Temperature ranged from 26 -30degreesC; dissolved oxygen ranged from 3mg/l-6.6mg/l, pH ranged 7.0 -7.2; while Secchi-disc transparency ranged from 0.19 - 0.25m. The three ponds were quite similar in these parameters. All the parameters that were investigated in this study are within the tolerable level for warm water fishes. Five different zooplankton species were identified at the Kigera Fish Farm, and were grouped according to their major categories namely: Copepods, Cyclopoids and Copepodite), Cladoceran (〈i〉Moina〈/i〉), and Rotifera (〈i〉Asplanchina〈/i〉). 〈i〉Branchionus〈/i〉 species in the Rotifers group dominated the zooplankton species in all the three ponds.
    Description: includes:- 5 tables.;7 refs.
    Keywords: Aquaculture ; Chemistry ; Nigeria ; Kigaria Dam ; freshwater environment ; Water quality ; Physicochemical properties ; Zooplankton
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 199 - 205
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    Some aspects of the physico-chemical parameters of Kontagora Dam, Niger State Nigeria (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23319 | 19325 | 2018-03-30 15:34:16 | 23319 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The seasonal variations in the physicochemical parameters were studied from January, 2007 to December 2007, in Kontagora Reservoir, Niger State, Nigeria. The physico- chemical parameters were determined bi-monthly , using the following methods , temperature using mercury thermometer in degree centigrade, transparency using Secchi-disc , Pye Unicam model 292 meter used for pH and electrical conductivity. Dissolved oxygen by modified Winklerazide method, water hardness and Phosphate- phosphorus by method of Lind (1979), total alkalinity by standard method described by Boyd(l979) , Nitrate- Nitrogen by Phenoldisulphonic acid method. The rainy season mean values for water temperature, depth, pH, Nitrate-Nitrogen, were significantly (P〈0.05) higher than those for the dry season. However, for transparency, conductivity, dissolved oxygen, hardness, alkalinity, phosphate-phosphorus and total dissolved solid, the dry season mean values were higher than the rainy season mean value. As in most other Africa inland water bodies, there was seasonality in the physicochemical parameters variables. The torrential rains of the dam environment, the characteristics trade winds of the dry season, effect of deforestation, fertilizer application, herbicides, insecticide and other chemical factors might have contributed to the fluctuations of some of the physicochemical parameters detennined in the Reservoir.
    Description: Includes:- 2 tables.;1 fig.;39 refs.
    Keywords: Chemistry ; Nigeria ; Kontagora L. ; freshwater environment ; Physicochemical properties ; Seasonal variations
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 189-195
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    By-catch reduction in the white shrimp, Nematopalaemon hastatus fishery of Nigeria, using codend with rigid separator panel (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23286 | 19325 | 2018-03-30 14:38:10 | 23286 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: Fishing experiments with conventional and modified codends were conducted to reduce fish by-catch from shrimp beam trawl fisheries off Lagos coast, Nigeria. The modified codend consist of Nordmore gride with a guarding panel and bar spacing of 20 mm. simultaneous paired comparisons against conventional codends showed that the modified codend significantly reduced the by-catch of juvenile fishes up to 72.06% (T-test, p〈0.05;0.01) with no significant reduction(2.9%) in the quantity of the target shrimps, Nematopaaemon hastatus (T-test,p〉0.05;0.01). SmaIl sized and fusiform shape fishes with total length range of 4 to 10 cm were mostly retained by the modified codend, eg. Epinephelus aenus (p〉0.05;0.01) and Pomadasys jubelini (p〉0.05;0.01) while large and flattened fish specimens with a total length range of 11 to 30 cm were mostly excluded, eg. Dasyatis margarita (p〈0.05;0.01) and Carcharhinus brachyrus (p〈0.05;0.01). The high percentage reduction of the 3 species of most abundant and priortised croaker by-catch family sciaenidae e.g Pseudotolithus elongatus (72.73%, p〈0.05;0.01), P. senegalensis(66.65%,p〈0.05;0.01) and P. typus (68.33, p〈0.05;0.01) makes the BRD a conservation tool for commercial application. The potential of Nordmore gride to alleviate by-catch problem and its limitation in a developing economy is discussed.
    Description: Include:- 3 tables.;3 figs.;23refs.
    Keywords: Fisheries ; Nematopalaemon hastatus ; ASE ; Nigeria ; Lagos ; marine environment ; By catch ; Trawling ; Codends ; Shrimp fisheries
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 26-37
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    The challenges of piracy in the marine sector of capture fisheries in Nigeria (2021)
    Fisheries Society of Nigeria | Zaria (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23298 | 19325 | 2018-03-30 15:02:30 | 23298 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The paper highligthed the coastline of Nigeria to be about 853 kilometers bordering the Gulf of guinea in the Atlantic Ocean. The contribution of Nigerian fisheries development has been discussed. Also discussed is the constraints to industrial fisheries development in Nigeria. The papaer concluded that the government should establish Radar Monitoring Centres at strategic locations along the Nigerian coastline to monitor the activities of the fishing vessels. Also there should immediate registration and licensing of all fishing canoes and craft. There should be an upgrading of the threeFisheries Resource Monitoring Control and Surveillance Zonal Centres. The Nigerian Navy should also establish forward Operational Bases along Nigerian coastline to monitor the activities of fishing and shrimping vessels and other maritime vessels.
    Description: Includes:- 1 table.
    Keywords: Fisheries ; ASE ; Nigeria ; marine environment ; Marine fisheries ; Coastal fisheries ; Fisheries ; Monitoring ; Environmental monitoring ; Control ; Surveillance and enforcement ; Fishery protection ; Policies
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 94-102
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    Sources and impact of micro-credit on the productivity of artisanal fisherfolks in Lagos lagoon (2021)
    Fisheries Society of Nigeria | Zaria (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23299 | 19325 | 2018-03-30 15:04:47 | 23299 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The study considered the relationship between micro credit fishing, farming and non farm employment as a means of sustanable livelihood. Demographic data showed that more male are involved in active fishing while females are more involved in processing, preservation and marketing. Also shown was that female fisherfolks engaged in more than two other livelihood activities apart from fishng at atime more than their male counterpart. Fishing becomes a secondary occupation in the wet season, such as farming, trading, hunting, tailoring, artisans, labour etc. further results showed that 32% of males and 68% of females in the Lagoon communities have access to micro credit.
    Description: Includes:- 5 tables.;44 refs.
    Keywords: Fisheries ; Management ; Nigeria ; Lagos Lagoon ; Livelihood activities ; marine environment ; Artisanal fishing ; Financial resources ; Financing
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 103-111
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    Adaptation strategy by fisher folks to climate change in Ogun State, Nigeria coastal fishing communities: implications for sustainable artisanal fisheries livelihood (2021)
    Fisheries Society of Nigeria | Lagos (NIgeria)
    In:  http://aquaticcommons.org/id/eprint/23479 | 19325 | 2018-05-05 13:05:45 | 23479 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The study examines the vulnerability and adaptation options of individual fishing households to climate change. Fourteen out of 24 fishing communities, with a total population of 20, 0000 artisanal marine fisher folks living on the 15 km coastal line in Ogun State, South West Nigeria were studied. Sources of data are Focus Group Discussion (FGD) with fisher-folks and questionnaires administered to 186 fishing households to assess vulnerabilities and methods of adaptation. The data were analyzed using descriptive statistics. Results of qualitative data reveal that the area is subjected to flooding due to storm surges during the rainy season months of May ? October hindering several socio-economic activities. The major adaptive strategy is fishing the seven marine beels during the peak of the wet season. Descriptive statistics reveal that 92.5% who are male, attained primary education (47.3%) and fishing is a major source of livelihood (92.50%). Different fishing gears are used for the capture of more than 16 fin-fish and shell fish species. Adaptation needs should be mainstreamed into the development of the abundant fisheries resources for guaranteed sustainable livelihoods of marine fisher folks in Ijebu-Waterside of Ogun State, Nigeria.
    Description: Includes:- 1 table.;1 fig.;4 refs.
    Keywords: Conservation ; Fisheries ; ASE ; Nigeria ; coast ; marine environment ; Climatic changes ; Artisanal fishing
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 341-345
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    Preliminary study on comparative morphometry of Cynothrissa mento (Regan, 1917) from Ologe, Badagry and Epe Lagoons, Lagos, Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23460 | 19325 | 2018-05-05 12:31:34 | 23460 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The morphometric characters of Cynothrissa mento from three major Lagoons (Ologe, Badagry and Epe) in Lagos, Nigeria were compared to assess the possibility of this fish species from the three Lagoons belonging to the same sub-population. The length-weight relationships (LWR), and condition factors (CF) of the fish were also described as well as the physico-chemical parameters of the three water bodies. The study was conducted between May, 2009 and April, 2010 and monthly sampling of fish and water was done in each sampling site. Seven7 physico-chemical parameters were assessed and these are; temperature, pH, salinity, turbidity, dissolved oxygen, total alkalinity and total hardness. A total of 294 specimens (Ologe 60, Badagry 174 and Epe 60) of C. mento were collected from the landings of the local fisher folks from the sampling sites. Seven morphometric characters; total length (TL), standard length (SL), body depth (BD), head length (HL), head depth (HD), eye diameter (ED) and interorbital width (IW) were measured. There was no significant difference (p 〉 0.05) in all the physico-chemical parameters measured among the sampling sites except pH. Coefficient of difference revealed that the C. mento from the three lagoons are uniform in all the morphometric parameters examined, which means that the specimens from the three sampling sites do not belong to different sub-populations. The growth coefficient/slope (b) values obtained for the fish species from the sampling sites ranged from 2.27 - 2.53, and differed significantly (p 〈 0.05) from 3, which indicates that most of the fish species have negative algometric growth.
    Description: Includes:- 4 tables.;1 fig.;24 refs.
    Keywords: Ecology ; Chemistry ; Cynothrissa mento ; Nigeria ; Ologe Lagoon ; Nigeria ; Badagry Lagoon ; Nigeria Epe Lagoon ; marine environment ; Population dynamics ; Morphometry ; Check lists ; Length-weight relationships ; Condition factor ; Physicochemical properties
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 272-278
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    Hybridization and speciation among cichlids: the case of 'Wesafu', an ecotype cichlid (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23469 | 19325 | 2018-05-05 12:49:04 | 23469 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Fishes of the family Cichlidae are known for spectacular adaptive radiation and therefore serve as a model for evolutionary and ecological studies. They are highly speciated due to hybridization that frequently occur in the wild. The existence of an ecotype cichlid, ’wesafu’ in Epe Lagoon, Lagos, Nigeria appears to be the result of such hybridization. This paper reviews the profile of wesafu and compare the species with other cichlids, evaluate the probable causes of speciation which includes diversity in feeding morphology, mate choice, adaptation to changes in habitat arising from water level dynamics , eco-phenotypic variation, restricted migration to predation and introgressive hybridization. The implication of such speciation and hybridization were also highlighted.
    Description: includes:- 2 tables.;24 refs.
    Keywords: Fisheries ; Nigeria ; Epe Lagoon ; marine environment ; Hybridization ; Biological speciation ; Species diversity
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 319-324
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    Fish aggregation devices, an emerging fisheries management technique (2021)
    Fisheries Society of Nigeria | Lagos (NIgeria)
    In:  http://aquaticcommons.org/id/eprint/23477 | 19325 | 2018-05-05 13:02:28 | 23477 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: This paper reviews the role of modern fish aggregation devices (FADs) in fisheries. The types and principles of FAD application were discussed. Factors influencing fish aggregation (like species type, etc); classification of fish aggregation; and reasons for aggregative behaviour of fish, were also highlighted. Furthermore, use of durable materials and echo-sounders were observed to be common with modern FADs, with high fuel efficiency, longer life span, as some benefits. This paper therefore emphasizes the need for proper study of issues like the biology of aggregation, and the relationship between catch and effort to discourage system or resources abuse, like overfishing, among others. Keywords: Fish aggregation devices, fisheries resources
    Description: Includes:- 13 refs.
    Keywords: Fisheries ; Nigeria ; marine environment ; Fishery management ; Ecological aggregations ; Organism aggregations ; Overfishing
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 431-434
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    The complementary roles of capture and culture fisheries in sustainable fisheries resource use (2021)
    Fisheries Society of Nigeria | Lagos (NIgeria)
    In:  http://aquaticcommons.org/id/eprint/23475 | 19325 | 2018-05-05 13:00:08 | 23475 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The pari parsu development and good management of both capture and culture fisheries if proactively practised especially in coastal and marine ecosystems would, to a large extent ensure sustainability in the usage of the fisheries resource, and conservation of biodiversity. While by-catch, discards and less desirable fish can continue to be useful inputs in aquaculture, the practice of environmentally sustainable aquaculture on the other hand would lead, not only to the reduction in pressure on the wild fish stock , but also become a source of socio-economic and technological development. The risk of weakened and reduced genetic diversity in aquaculture is being offset by enrichment of genetic pool from the wild fish population. In this review, the losses and gains of capture fisheries have been highlighted in addition to the gains and negative impacts of aquaculture. The success of capture-Based Aquaculture (CBA), enhanced fisheries, restocking and intentional introduction of fish species are all based on either branch of fisheries (capture and culture fisheries). The complementary roles both capture and culture fisheries can play to ensure optimal environmental usage and profitable use of the fisheries resource have been discussed. The strengths and weaknesses of both capture and culture fisheries can be wisely tapped for the development of both aspects of fisheries.
    Description: Includes:- 10 refs.
    Keywords: Aquaculture ; Fisheries ; Nigeria ; freshwater environment ; marine environment ; Fishery management ; Resource management ; Fisheries ; Fish culture ; Artisanal fishing
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 419-425
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    Changes in the proximate composition of smoked and sundried Atya gabonensis (Irvine) from Lower River Benue, Nigeria (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23059 | 19325 | 2018-03-06 15:38:43 | 23059 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: The proximate composition of the fresh water shrimp Atya gabonensis (Irvine), preserved by smoking, salting and sun - drying was determined and compared to the fresh shrimp. All the preservation methods significantly (p〈 0.05) increased the total dry matter (38.34 93%), protein content (17.31 48.9) and ash content (28.36 36.17%) over the fresh shrimp value. Moisture and lipid contents however, were reduced from the fresh shrimp's 61.66% and 25.29% to low value of 7.00% and 5.10% respectively. The preserved shrimp is, therefore, nutritionally superior to the fresh shrimp as preservation enhances its proximate composition. Of all the preservation methods used in this work, smoking is the best. It recorded the best preservation indices of lowest moisture content, higher dry matter, higher protein content and highest ash content.
    Description: Includes:- 1 table.;13 refs.
    Keywords: Fisheries ; Chemistry ; Atya gabonensis ; Nigeria ; Benue R. ; freshwater environment ; Lipids ; Organic compounds ; Proteins ; Ash content ; Cured products ; Fish ; Shrimp fisheries
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 378 -381
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