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Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4

Request Meeting Document
Document Number:
WG-FSA-15/31
Author(s):
N.D. Walker, V. Laptikhovsky, T. Earl and C. Darby (United Kingdom)
Submitted By:
Dr Chris Darby
Approved By:
Ms Doro Forck (CCAMLR Secretariat)
Abstract

The stock of Antarctic toothfish in the CCAMLR subarea 48.4 was conservatively estimated using the Chapman method as 621 tonnes. At a harvest rate of γ = 0.038 this would indicate a 2015/16 yield of 24 t for the Antarctic toothfish in the region, compared to the previous 2014/15 estimation of 28 tonnes.