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    Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991

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    Document Number:
    WG-FSA-91/29
    Author(s):
    K.-H. Kock (Germany), I. Everson, S. Campbell and G. Parkes (United Kingdom), D. Cielniaszek and J. Szlakowski (Poland)
    Agenda Item(s)
    Abstract

    The diet composition and feeding intensity of mackerel ice fish (Champsocephalus gunnari) around South Georgia in January/February 1991 was analyzed in 3877 stomachs collected on 44 stations. Both, the proportion of krill (Euphausia superba) in the stomachs and the feeding intensity were uncommonly low in a period when energy-rich food is needed for the final maturation of the gonads.