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    Krill consumption by crabeater seals in CCAMLR Divisions 58.4.1 and 58.4.2

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    Número de documento:
    WG-EMM-16/66
    Autor(es):
    C. Southwell, J. Forcada, L. Emmerson, A. Constable, S. Kawaguchi and P. Trathan
    Presentado por:
    Dr Colin Southwell (Australia)
    Aprobado por:
    Ms Doro Forck (Secretaría de la CCRVMA)
    Punto(s) de la agenda
    WG-EMM-16 - 2.4.2 - Predator consumption
    Resumen

    As a contribution to the work program of WG-EMM-STAPP to estimate krill consumption by predators, this paper presents estimates of krill consumption by crabeater seals off East Antarctica between 64ºE-150ºE, which includes all of Division 58.4.1 and part of Division 58.4.2. Krill consumption by crabeater seals in this region in 1999/00 was estimated to be 3.8 (95% CI 2.4-6.0) million tonnes per year. This represents approximately 20% of the krill biomass estimated from acoustic surveys.