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    On assessment of instantaneous natural mortality rate of mackerel icefish (Champsocephalus gunnari) from South Georgia subarea

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    Numéro du document:
    Zh.A. Frolkina, R.S. Dorovskikh (Russia)
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    The applicability of various methods to assess icefish natural mortality is analysed. On the basis of the conclusions made the parameters of Bertalanffy’s growth equation and natural mortality rate are estimated.