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    Comparison analysis of krill length compositions from catches obtained by research and commercial gears

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    Document Number:
    WG-EMM-2022/28
    Author(s):
    S. Kasatkina and S. Sergeev
    Submitted By:
    Dr Svetlana Kasatkina (Russian Federation)
    Approved By:
    Dr Svetlana Kasatkina (Russian Federation)
    Agenda Item(s)
    WG-EMM-2022 - 2.3 - WG-SAM advice and considerations on the krill management strategy: (Advice on the GRYM to subareas derived from exploitation rates)
    Abstract

    In this paper, the authors consider inter-vessel variability in the length composition of krill in catches  from research and commercial catches  in the context of gear designs and the efficiency of observer sampling design in krill fishery. Analysis was provided using data obtained in the local fishing ground within several days to exclude any influence of krill drift on results obtained under examples of fishing grounds in Subarea 48.1 and 48.2.