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    Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12348/2605

    Fishermen's knowledge as background information in tropical fish ecology: a quantitative comparison with fish sampling results

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    Abstract
    • An investigation of fishermen€™s knowledge of fish occurrence patterns on various spatio-temporal scales has been realized in the Fatala Estuary (Guinea, West Africa), accompanied by a one-year survey with standardized gill-net sets. Seventy one fishermen distributed in four zones corresponding to gill-net sampling sites were questioned about seasonal variations of species€™ relative abundances. Longitudinal and seasonal patterns of fish relative abundances were described with correspondence analysis and ANOVA for both approaches. Comparison of results showed a good coherence between fishermen€™s answers and gill-net sampling results. Thus, it is proposed that investigation of fishermen€™s ecological knowledge should be used as a preliminary study to help defining fish sampling designs in tropical rivers and estuaries.
    • External link to download this item: https://doi.org/10.1023%2FA%3A1007317423165
    Collections
    • Resilient small-scale fisheries [1234]
    Date
    • 1997
    Author
    • Poizat, G.
    • Baran, E.
    AGROVOC Keywords
    • ecology; fish; small-scale fisheries; surveys
    Type
    • Journal Article
    Publisher
    • Springer Netherlands
    Metadata
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