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Can we use traditional length-based fish stock assessment when growth is seasonal?

Author

Listed:
  • Sparre, P.

Abstract

Based on simulated catch data, this contribution shows that standard length-converted catch curves cannot be used for accurately estimating total mortality when growth oscillates seasonally. Some implications for length-based stock assessment methodology are discussed, and the need for the development/implementation of methods not requiring length-to-age conversions is emphasized.

Suggested Citation

  • Sparre, P., 1990. "Can we use traditional length-based fish stock assessment when growth is seasonal?," Fishbyte, The WorldFish Center, vol. 8(3), pages 29-32.
    • Handle: RePEc:wfi:wfbyte:27288
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    File URL: http://hdl.handle.net/20.500.12348/3167
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    Citations

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    Cited by:

    1. Suman Barua & Qun Liu & Mohammed Shahidul Alam & Petra Schneider & Shoukot Kabir Chowdhury & Mohammad Mojibul Hoque Mozumder, 2023. "Assessment of Three Major Shrimp Stocks in Bangladesh Marine Waters Using Both Length-Based and Catch-Based Approaches," Sustainability, MDPI, vol. 15(17), pages 1-25, August.
    2. de Graaf, G.J. & Dekker, P., 2006. "A simple spreadsheet model to incorporate seasonal growth into length-based stock assessment methods," Naga, The WorldFish Center, vol. 29(3/4), pages 46-54.

    More about this item

    Keywords

    Stock assessment; Length-weight relationships; Growth curves; Population dynamics; Mortality; Fish;
    All these keywords.

    JEL classification:

    • Q00 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - General - - - General

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