Freshwater fish production in Sri Lanka and its role in the nutrition of the population living in the inland areas

aguas interiores alimentation humaine ambiente de aguas interiores eaux continentales fish industry fish products fishery production fishes freshwater fishes human feeding industria del pescado industrie du poisson inland lagoons inland water environment inland waters laguna continental lagune interne milieu des eaux continentales nutrition peces peces de agua dulce poisson (animal) poisson d'eau douce production halieutique productos derivados del pescado sri lanka