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    On Assessment of Bertalanffy Growth Equation Parameters and Instantaneous Natural Mortality Rate on South Georgia Icefish

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    Document Number:
    WG-FSA-89/20
    Author(s):
    Zh.A. Frolkina and R.S. Dorovskikh (USSR)
    Agenda Item(s)
    Abstract

    Analysis and summarizing extensive materials on size-weight and size-age composition of South Georgia icefish for 1965-1987 enabled producing reliable weight-length dependencies for males and females by season and specify Bertalanffy growth equation parameters. Mean value of natural mortality rate was estimated at 0.55.