[Lake fisheries]

economic situation exploitation piscicole fish cages fish culture fish farms fish larvae fishery production freshwater fishes hatcheries jaulas para peces lac lagos lake fisheries lakes larvas de peces larve de poisson ownership peces de agua dulce pesca lacustre piscicultura pisciculture poisson d'eau douce private ownership production halieutique property transfers propiedad propiedad privada public ownership silurus glanis tinca transferencia de la propiedad