On February 1, 1959 the Academy of Sciences of the German Democratic Republic founded the 'Forschungsstelle fUr Limnologie' (now Abteilung Lim- nologie des Zentralinstitutes fUr Mikrobiologie und Experimentelle Therapie der Akademie der Wissenschaften der DDR) in Jena and a research laboratory at Lake Stechlin at Neuglobsow near Rheinsberg used as field experimental station. The foundation followed the building of the first nuclear power plant in the G D R ('Kernkraftwerk I der DDR') in the period 1956-66 between Rheinsberg and Furstenberg (Havel). The nuclear power plant is situated between...