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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)
WG-FSA-89 - - undefined
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.