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Update on Patagonian toothfish (Dissostichus eleginoides) losses in the bottom longline fishery due to the depredation by killer whales and sperm whales off the Kerguelen and Crozet Islands

Update on Patagonian toothfish (Dissostichus eleginoides) losses in the bottom longline fishery due to the depredation by killer whales and sperm whales off the Kerguelen and Crozet Islands

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Numéro du document:

WG-FSA-16/10

Auteur(s):

N. Gasco, P. Tixier, G. Duhamel and C. Guinet

Soumis par:

Nicolas Gasco

Approuvé par:

Philippe Koubbi

Point(s) de l'ordre du jour

WG-FSA-16 - 6 - Non-target catch and interactions in CCAMLR fisheries

Résumé

Depredation caused by killer whales and sperm whales on the Patagonian toothfish (Dissostichus eleginoides) fishery off Kerguelen and Crozet EZs are amongst the most important in the Southern Ocean. This paper presents the first results of depredation rates calculated on a yearly basis using the CPUE method.