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    THE ANTARCTIC KRILL AND ECOSYSTEM SURVEY WITH R/V “G. O. SARS” IN 2008

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    Document Number:
    WG-EMM-08/28
    Author(s):
    S.A. Iversen (Norway), W. Melle, E. Bagøien, D. Chu, B. Edvardsen, B. Ellertsen, E. Grønningsæter, K. Jørstad, E. Karslbakk, T. Klevjer, T. Knutsen, R. Korneliussen, H. Kowall, B. Krafft, S. Kaartvedt, P.B. Lona, S. Murray, L. Naustvoll, L. Nøttestad, M. Ostrowski, V. Siegel, Ø. Skagseth, G. Skaret, H. Søiland, X. Zhao and C.B. Årnes
    Abstract

    This report describes the multipurpose AKES survey (Antarctic Krill and Ecosystem Studies) carried out with R/V G. O. Sars, 4.01-27.03.08, including some selected results. The main purposes for the AKES project were to • evaluate the links between the krill resources and distribution in the area and Bouvetøya based mammals and birds • study krill biology and ecology • establish TS (Target strength; the ability of an organism to reflect sound) for krill and ice fish • study aggregations of krill, fish and plankton relative to the hydrography • compare aggregations and abundance of krill and plankton relative to hydrography in Antarctica and Nordic Seas • stomach contents and feeding behavior of krill and fish