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    A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2015 random stratified trawl survey

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    Document Number:
    WG-FSA-15/12 Rev. 1
    Author(s):
    D.C. Welsford (Australia)
    Submitted By:
    Dr Dirk Welsford (Australia)
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    Request permission to release each time (RP)
    Agenda Item(s)
    WG-FSA-15 - 4.1.2 - Champsocephalus gunnari Division 58.5.2
    Abstract

    The annual Random Stratified Trawl Survey was undertaken in Division 58.5.2 in the vicinity of Heard Island during May 2015. This paper provides a preliminary assessment of mackerel icefish population structure, abundance and yield for the area of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. A large 2+ cohort is dominating the population. These projections indicate that catches of 482 t in the 2015/16 season and 357 t in the 2016/17 season.