An overview of detailed CPUES and of fisheries indicators of the EU purse seiners in the Atlantic

Abstract : This paper has calculated several fishery indicators related to the fishing effort and various CPUEs of EU purse seiners in the Atlantic Ocean during the 1991-2015 period. This work has been done because these basic fishery indicators remain very useful to better understand many past and present changes in fisheries and tuna stocks. GLM CPUEs are very complex to calculate for PS and they have thus been seldom calculated for PS, and their results often remain widely questionable. Our paper presents series of normalized CPUEs calculated averaging, monthly CPUEs in 7 selected core areas, by flag and by size categories of PS catches. They are targeting juvenile and adult YFT, for SKJ and for juvenile BET. This work also analyzes why the EEZ areas and the existence or lack of fishing agreement should preferably be incorporated in CPUE calculations.
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Alain Fonteneau, Daniel Gaertner, Pedro Pascual Alayon. An overview of detailed CPUES and of fisheries indicators of the EU purse seiners in the Atlantic . Collective Volume of Scientific Papers, ICCAT, 2017, 73 (2), pp.850 - 867. ⟨https://www.iccat.int/en/pubs_CVSP.htm⟩. ⟨ird-01529807⟩

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