Search for: [Subject and Keywords = eutrophication] OR [Subject and Keywords = eutrofizacja] OR [Title = Sociological studies on the phytoplankton in Lake Garbaś \(Ełk Lake District, northeastern Poland\)] OR [Title = Socjologiczne badania fitoplanktonu w jeziorze Garbaś \(Pojezierze Ełckie, północno\-wschodnia Polska\)] OR [Creator = Chudyba, Henryk]