trout fishery with circulating water and screen tops to concrete tanks located out in the forest

angler angling aquaculture aquatic breeding caucasus circulating commercial concrete europe farm farming feeding fish fisheries fishery fishes fishfarm fishing fishpond forest freshwater growing hatchery imeriti industry located nature net nursery outdoor piscatology pisciculture pool produce production raising reservoir reservoirs screen seafood stocking summer swimming tanks tops tree trees trout water wildlife wire woods