[Protection of our waters from the nutritional-biological viewpoint].
D000818:Animals; D004780:Environment, Controlled; D005393:Fish Diseases / Q000517:prevention & control; D005860:Germany, West; D014876:Water Pollution / Q000517:prevention & control*; D014881:Water Supply
Der Schutz unserer Gewässer aus ernährungsbiologischer Sicht.