Investigations of the "Old Danube Backwater" in Vienna

This project is a long-term project that deals with fishecological investigations of the "Old Danube Backwater" in Vienna to -assess the interaction of fish ecology and macrophyte stocks, - to define the fish comunities and influeces on fish larvae after the harvesting activities on macrophytes that are conducted by the city of Vienna for creating better swimming and recreation facilities for the Vienneses people.