International Association for Danube Research the Danube. In a more recent branch of IAD in Austria, the ÖK (Österreichisches Komitee), scientists with outstanding research related to the Danube Basin in Austria are awarded with the “Liepolt-Preis”. The major achievement in the first decade of IAD was the monograph “Limnologie der Donau” (Limnology of the Danube), edited by Liepolt and published by E. Schweizerbart’sche Verlagsbuchhandlung (Nägele & Obermiller) Stuttgart in 1967. In the same year, the Commission for Hydrology of the Romanian Academy published the monography “Limnology of the Romanian sector of the Danube”. In 1986, S. Godeanu and V. Popescu-Marinescu released the bibliography “Limnologie der
Danube Hills even exclusively restricted to this area which covered 376 km², which only covered the higher parts of the Vorderer Forest. It became major unit 405 in the natural region major unit group, the Upper Palatine-Bavarian Forest (40). English sources variously use the names Vorderer Forest, Danube Hills, Vorderer Wald, or Anterior Bavarian Forest. Regardless of this, the part designated as the "Falkensteiner Vorwald" in regional studies is also called the "Vorderer Bayerischer Wald" in German sources used for tourism purposes. However, the following description is based on the regional structure. The natural region of the Danube Hills is only 8