Fishing behaviours of skippers, killer whales Orcinus orca and sperm whales Physeter macrocephalus in the context of competition around the Patagonian toothfish Dissostichus eleginoides longline fishery in French sub-Antarctic waters

• Main Author: Janc, Anaïs
• Other Authors: Centre d'Études Biologiques de Chizé - UMR 7372 (CEBC), La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), La Rochelle Université, Christophe Guinet, Paul Tixier
• Format: Doctoral or Postdoctoral Thesis
• Language: French
• Published: HAL CCSD 2019
• Subjects: Depredation; sperm whales; killer whales; optimal foraging; human behavioural ecology; mitigation; Déprédation; cachalots; orques; approvisionnement optimal; écologie comportementale humaine; atténuation; [SDE.BE]Environmental Sciences/Biodiversity and Ecology; [SDE.ES]Environmental Sciences/Environment and Society; [SDV.SA.STP]Life Sciences [q-bio]/Agricultural sciences/Sciences and technics of fishery; Antarctic; Kerguelen; Indian; Orques; Antarc*; Orca; Orcinus orca; Patagonian Toothfish; Physeter macrocephalus
• Online Access: https://hal.science/tel-04178074; https://hal.science/tel-04178074/document; https://hal.science/tel-04178074/file/Janc%20%282019%29%20-%20Thesis%20manuscript.pdf

Overexploitation of fisheries resources leads to increasing competition between fisheries and marine biodiversity. This competition gives rise to depredation-type interactions (consumption of fish directly on the fishing gears by marine predators). Depredation has i) socio-economic consequences for...