In Division 58.4.3a, since 2012, research fishing has been conducted in the research block by two vessels using longlines: Shinsei Maru No. 3 (Japan) and the Saint André (France). The catch limit for Dissostichus spp. is 32 tonnes and the total reported catch up in 2013/2014 was 32 tonnes. France notified its intention to continue its exploratory fishery over the coming years in order to achieve a robust stock assessment that would provide advice on a catch limit according to CCAMLR decision rules. This paper aims to present a research plan for 2015/2016 that takes into account the remarks made during the WG-FSA 2014. The objective is to spread fishing effort over across the whole fishable area and to progress on the robustness of the CASAL assessment. The biomass in division 58.4.3a was estimated during WG-FSA 2014 using the Petersen estimator at 386 tonnes. In the absence of an assessment using the CCAMLR decision rules, the re-estimation of the geometric mean of Petersen biomass estimates is used as the estimate of biomass for this division in 2015. Given this analysis estimated biomass at 419 tonnes, which was similar to the 386 tonnes, the catch limit should remain unchanged at 32 tonnes for 2015/16 to maximize the expectation of tag-recapture.
Mr Jonathan Cholet (Франция)
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