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The Feldberger Haussee, a highly eutrophic stratified hard-water lake located in the eastern part of Germany's Baltic lake district, was selected for a restoration programme combining external nutrient loading reduction and long-term biomanipulation. In 1980 the external phosphorus loading (1.8 g TP m −2 a −1 ) decreased by 90%, but water quality did not improve significantly within...
Management of the piscivorous fish stocks plays a major role in combining water quality management and sustainable fisheries management. From 1994 to 1996 and in 1998, young-of-the-year (YOY) pike Esox lucius were stocked in different numbers in the course of a biomanipulation project in Lake Feldberger Haussee. Since 1997, population development, growth and food composition of pike have been studied...
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