Freshwater fish - a resource [acid precipitation]

alimentos animal animal aquatique animales animales de caza animals aquatic animals aquatic organisms atlantic salmon ceiuapa (grupos de especies) chars diadromous fishes economic sectors escandinavia especies de pesca deportiva europa europe fisheries fishery production fishery resources fishes fishing industry foods freshwater fishes game gibier industria pesquera inland fisheries isscaap groups of species living resources marine fisheries natural resources noruega norway omble organisme aquatique peces peces de agua dulce peces diadromos pesca pesca continental pesca marina poisson d'eau douce poisson diadrome pollution pollution de l'eau primary sector production production halieutique produit alimentaire recursos recursos naturales recursos pesqueros resources ressource ressource halieutique ressource naturelle ressource vivante salmon salvelino saumon scandinavia scandinavie secteur primaire sector primario trout trucha truite vertebrados vertebrates vertebre water pollution