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  • 1
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    In:  http://aquaticcommons.org/id/eprint/22561 | 19325 | 2018-02-22 15:05:39 | 22561 | Fisheries Society of Nigeria
    Publikationsdatum: 2021-07-07
    Beschreibung: Theoil boom that almost spelt doom for agricultural development also affected the development offisheriesprojects in many parts of the country including the growing Bayelsa State. The NationalFisheriesDevelopment Policies adopted by the state, geared towards increased fish production areattendedwith several challenges. Bayelsa State has great potentials in fisheries activities with morethanthree quarters of the land area occupied by a network of several natural lakes, rivers, creeks,swampsand marshy land stretching into the Atlantic Ocean. The challenge to develop this vastexpanseof fisheries resource is the focus of this paper. It carefully reviewed the planning of thedevelopmentefforts, the evaluation of the resources, the development of necessary managementandtechnical personnel, introduction of appropriate technology and identification of priorities andneeds of the fisheries industry in the state. It recommended the active participation of privateinvestorsin the developmental efforts.
    Schlagwort(e): Aquaculture ; Fisheries
    Repository-Name: AquaDocs
    Materialart: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 45-51
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23055 | 19325 | 2018-03-06 15:35:00 | 23055 | Fisheries Society of Nigeria
    Publikationsdatum: 2021-07-12
    Beschreibung: The study was conducted to assess consumer's preference of fish products in Yenagoa Metropolis, Bayelsa State. One hundred and ninety consumers were randomly selected for the study. Results showed that fishery products in Yenagoa metropolis include fresh, smoked, fried, dried, canned and frozen fish. Sixty-eight percent of the respondents said that the products are enough, whereas seventy-six percent feel the variety of fishery products is low. Majority of the respondents (86%) preferred fresh fish followed by smoked fish which was preferred by sixty-four percent of the respondents. Age, ethnic grouping, gender, marital status and education did not have any significant influence on the preferences of the consumers (P〉O.05). Major problems identified by the consumers were exorbitant prices of fish because of the activities of middlemen, unhygienic selling environment and scarcity of fish products. Consequently, it is recommended that an adequate system of financing small scale fisheries be evolved to reduce the influence of middlemen; sanitary laws should be enacted and enforced in the fish markets around the metropolis; Establishment of modern fish markets in Yenagoa to boast fish production, aquacultural investors should be attracted.
    Beschreibung: Includes:- 3 figs.;9 refs.
    Schlagwort(e): Fisheries ; Nigeria ; Yenagoa ; freshwater environment ; Fish utilization ; Fishery products ; Consumers
    Repository-Name: AquaDocs
    Materialart: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 359 - 362
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
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    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23289 | 19325 | 2018-03-30 14:45:43 | 23289 | Fisheries Society of Nigeria
    Publikationsdatum: 2021-07-13
    Beschreibung: The growth, mortality and recruitment pattern of Tympanotonus fuscatus var fuscatus were investigated using shell length (SL) - frequency data obtained from the mangrove swamps of the Bonny River, population. Computer based software package FiSAT (FAO - ICLARM Fish Stock Assessment tool) were used for the analysis. Sampling was done between January to December, 2004. Results obtained showed relatively high growth, low mortality and recruitment pattern with two peaks annually.
    Beschreibung: Includes:- 2 tables.;1 fig.;11 refs.
    Schlagwort(e): Ecology ; Fisheries ; Tympanotonus fuscatus var fuscatus ; Nigeria ; Bonny Estuary ; freshwater environment ; Population dynamics ; Growth rate ; Mortality ; Recruitment
    Repository-Name: AquaDocs
    Materialart: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 46-49
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
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    Fisheries Society of Nigeria | Akure (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23324 | 19325 | 2018-04-06 16:00:32 | 23324 | Fisheries Society of Nigeria
    Publikationsdatum: 2021-07-14
    Beschreibung: Studies on the food and feeding habit of T. fuscatus var fuscatus from the mangrove swamps of the Bonny River, Niger Delta revealed that the species is a deposit feeder but fed more on algae and protozoa. The variation of food types with season were determined from the numerical and frequency of occurrence methods of food analysis. The algae were of Stephanodiscus, Cosanodiscus. Navicula and Nitzschia species, while the protozoa were Arecella arenaria, Pseudodileptus and Trinema species. Feeding actively occurred at low tides, this coincided with the presence of algae on the mud surface. No qualitative seasonal variation occurred as T. fuscatus var fuscatus fed basically on the primary diets at all seasons.
    Beschreibung: Includes:-1 table.;1 fig.;9 refs.
    Schlagwort(e): Ecology ; Fisheries ; Tympanotonus fuscatus var fuscatus ; Nigeria ; Niger Delta ; freshwater environment ; Feeding behaviour ; Stomach content ; Food consumption ; Stomach ; Seasonal variations
    Repository-Name: AquaDocs
    Materialart: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 19-21
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
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    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23464 | 19325 | 2018-05-05 12:39:06 | 23464 | Fisheries Society of Nigeria
    Publikationsdatum: 2021-07-14
    Beschreibung: The study examined the food habits of Chrysichthys furcatus (catfish) from the artisanal fisheries of the Sombrero River in the Niger Delta; from May 2009 to April 2010. A total of 360 specimens were used for the stomach analysis using a combination of the frequency of occurrence, gravimetric and numerical methods. Data was analysed using Shannon Weaver diversity index (H), Relative diversity (J) and index of relative importance (IRI). The results show that small Chrysichthys 28.55%, 45.23% and 39.20; fish tissues 14.70%, 9.08% and 17.44%; fish parts 25.95%, 18.76% and 18.39% , fish scale 2.60% ,3.93% and 2.55%, insects 25.78%,21.95% and20.12% as the secondary and detritus 2.42%,1.06% and 2.30% as incidental food items. The Shannon Weaver and relative diversity indicate that Chrysichthys furcatus is a predator and had no food preference.
    Beschreibung: Includes:- 2 tables.;17 refs.
    Schlagwort(e): Ecology ; Chrysichthys furcatus ; Nigeria ; Sombreiro ; R. ; freshwater environment ; Feeding behaviour ; Stomach content
    Repository-Name: AquaDocs
    Materialart: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 295-299
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
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    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
    Publikationsdatum: 2021-07-14
    Beschreibung: 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
    Beschreibung: Includes:- 13 refs.
    Schlagwort(e): Fisheries ; Nigeria ; marine environment ; Fishery management ; Ecological aggregations ; Organism aggregations ; Overfishing
    Repository-Name: AquaDocs
    Materialart: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 431-434
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
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    In:  http://aquaticcommons.org/id/eprint/3413 | 424 | 2011-09-29 17:27:57 | 3413 | Fisheries Society of Nigeria
    Publikationsdatum: 2021-06-25
    Beschreibung: A total of 160 Clarias lazera were collected with line hood between April and June 1984 from the Niger Delta area and observed for the presence of parasites. The results revealed the presence of three classes of endo-parasites: Trematodes (47%), nematodes (46%) and cestodes (7%). It was found that, the parasites have great affinity for the spleen (34%) and the liver (28.3%). Also, smaller fish habored more parasites than large fish. Though the investigation is still continuing, the study reveals the presence of parasites in Clarias and calls for measures to prevent wide-spread infestation in fish ponds and suggests treatment of infested fish
    Schlagwort(e): Biology ; Nigeria ; check lists ; parasites ; Cestoda ; Clarias lazera ; Nematoda ; Trematoda
    Repository-Name: AquaDocs
    Materialart: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 210-215
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
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    In:  http://aquaticcommons.org/id/eprint/3448 | 424 | 2011-09-29 17:25:21 | 3448 | Fisheries Society of Nigeria
    Publikationsdatum: 2021-06-26
    Beschreibung: Consequent upon the present national call in Nigeria for all to go back to agriculture including fishing, most retrenched workers and unemployed youths from the riverine areas are taking up fishing as a legitimate and gainful livelihood. To sustain this tempo and attract more investment, the economic viability of such projects must be known. This study is an attempt to document the profitability and investment potential of artisanal canoe fishing. Socio-economic information including catches, operational cost and returns were obtained through a personal interview questionnaire survey of 240 randomly selected artisanal canoe fishermen from Bonny, Brass and Degema Local Government Areas (LGA) of the State and analyzed. With an investment cost of about 8,135, 8,490 and 6,571 and operation cost of 750, 776 and 627, the analysis showed an average monthly gross income of 1,869, 3,221 and 1,775 for the three local government areas respectively. A benefit-cost-ratio of 1:8, net present value of 400, 603 and internal rate of return greater than 50% were obtained. Since capital invested in fisheries is not tied up for long before benefits start flowing, coupled with the high IRR, it is concluded that artisanal canoe fishing would be an economically viable venture if well managed
    Schlagwort(e): Fisheries ; Nigeria ; River State ; artisanal fishing ; canoe fisheries ; fishery development ; fishery economics ; investments
    Repository-Name: AquaDocs
    Materialart: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 92-103
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
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    In:  http://aquaticcommons.org/id/eprint/4063 | 424 | 2011-09-29 16:29:04 | 4063 | Fisheries Society of Nigeria
    Publikationsdatum: 2021-06-29
    Beschreibung: The Shellfish Tympanotonus fuscatus fisheries was studied in the upper Bonny River of River State. Abundance and size distribution were evaluated through collection of the Shellfish from 4 sampling stations along the River System. Shell size differences were observed between the sampling stations. The periwinkles, which were harvested heavily by local women, were smaller. The results do suggest that the population of Tympanotonus fuscatus in the Mangrove swamps of the upper Bonny River Creeks are strongly influenced by the harvesting
    Schlagwort(e): Fisheries ; Nigeria ; Rivers State ; gastropod fisheries ; mangrove swamps ; size distribution ; stock assessment ; Tympanotonus fuscatus
    Repository-Name: AquaDocs
    Materialart: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 693-695
    Standort Signatur Erwartet Verfügbarkeit
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