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    A review of krill green-weight estimation using parameters submitted by vessels in C1 data, from methods specified in CM 21-03, Annex B

    Request Meeting Document
    Document Number:
    WG-EMM-2021/16
    Author(s):
    CCAMLR Secretariat
    Submitted By:
    Mr Isaac Forster (CCAMLR Secretariat)
    Approved By:
    Dr David Agnew (CCAMLR Secretariat)
    Abstract

    This paper responds to a request from the Scientific Committee for the Secretariat to review the data that has been submitted for estimating the green-weight of krill, for each of the methods specified in CM 21-03, Annex 21-03/B (SC-CAMLR-38, paragraph 3.4). Results from the analysis demonstrate a good relationship between reported green-weights and the calculated krill green-weights using the estimation parameters, with exception of two vessels’ data reported in seasons 2014 and 2015. Conversion Factors were also investigated, and results show that considerable variation exists for reported figures associated with particular processing type and direct green-weight estimation combinations. A number of recommendations are provided to potentially address these issues.

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