Exploitation of marine mammals [harp seals (Pagophilus groenlandicus), hooded seals (Cystophora cristata), minke whales (Balaenoptera acutorostrata), stocks, impact on fish stocks; North Atlantic, Barent Sea, Jan Mayen, Norway]

agronomic characters animal animal aquatique animal pour la production d'huile animal resources animales animales de carne animals aquatic animals aquatic mammals aquatic organisms arctic ocean atlantic ocean atlantique nord-est baleine ballena barents sea ceiuapa (grupos de especies) cetacea desarrollo de recursos escandinavia europa europe exploitation des ressources foca isscaap groups of species jan mayen living resources mammals mar barents marine areas meat animals mer de barents natural resources northeast atlantic noruega norway oceano artico oceano atlantico organisme aquatique phoque pinnipedia productividad productivity profitability recursos recursos de la fauna recursos naturales rendement rendimiento rentabilidad resource development resource exploitation resources ressource ressource animale ressource naturelle ressource vivante scandinavia scandinavie seals vertebrados vertebrates vertebre whales yields