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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)
    WG-FSA-91 - - undefined
    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.