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Age- or length-based methods of growth estimation. What drives the choice?

Author

Listed:
  • Pilling, G.M.
  • Halls, A.S.

Abstract

Based upon a global comparison of over 400 fisheries, the Principal Components Analysis (PCA) methodology was used to identify factors affecting the choice of growth estimation methods. Of the six factors examined, the growth rate (K) and asymptotic length (L8) explained most of the variations. Financial resources, i.e., Gross National Product (GNP), and latitude were also important factors.

Suggested Citation

  • Pilling, G.M. & Halls, A.S., 2003. "Age- or length-based methods of growth estimation. What drives the choice?," Naga, The WorldFish Center, vol. 26(2), pages 4-7.
    • Handle: RePEc:wfi:wfnaga:36163
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    File URL: http://hdl.handle.net/20.500.12348/2183
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    References listed on IDEAS

    as
    1. Isaac, V.J., 1990. "The accuracy of some length-based methods for fish population studies," Monographs, The WorldFish Center, number 5259, April.
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    More about this item

    Keywords

    Growth; Length; Age determination; Stocks; Marine fish;
    All these keywords.

    JEL classification:

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

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