Interactions between seals and salmon fisheries in Tana River and Tanafjord, Finnmark, North Norway, and possible consequences for the harbour seal Phoca vitulina

aguas interiores coastal fisheries damage datos sobre pesca eaux continentales fishery data foca histoire historia history inland fisheries inland waters noruega norway pesca continental pesca costera phoque predation rendement rendimiento salmon saumon seals yields