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    Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12348/2537

    Weight-fecundity relationships of Nigerian fish populations

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    Abstract
    • Parameters a and b of the power body weight (W) - fecundity (F=a W super(b)) are presented for 25 populations comprising 15 species of Nigerian fishes. Estimates of b varied between 0.511 (Parauchenoglanis akin) and 1.654 (Periophthalmus barbarus) with a mean of 1.087 (s.d.=0.520). The maximum weight of populations examined did not significantly influence the relative magnitude of b. The parameters proportional to and beta of the linear weight-fecundity relationship (F= proportional to + beta W) are also presented for 27 fish populations from 22 species. Estimates of beta ranged from 4.22 (Chromidotilapia guntheri) to 2,062.94 (Pellunula min), with a mean of 243.80 (s.d.=477.89). The magnitude of beta declined with increasing maximum weights of fishes examined.
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    • Resilient small-scale fisheries [1299]
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    • na_2282.pdf (355.3Kb)
    Date
    • 1998
    Author
    • King, R.P.
    AGROVOC Keywords
    • freshwater
    Type
    • Journal Article
    Publisher
    • ICLARM
    Metadata
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