Upper Midwest Environmental Sciences Center
Search fish passage bibliography
Ewers, H. (1995). Fishladder at the lower Wupper River. Wasser und Boden. 47:50.
The restoration of free fish passage along a river regulated with barrages is essential for the interactive environment of wild life. Fishladders will have to be installed, because the barrages are inevitable. Several types of fishladders constructed by the Wupperverband along the lower Wupper are introduced.