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During the past 10–15 years removal of plankti- and benthivorous fish (mainly roach, Rutilus rutilus, and bream, Abramis brama) has commonly been used as a method to improve the ecological quality of Danish lakes. Here, we examine the general and long-term effects obtained after the removal of 41–1360 kg fish ha−1 in 36 mainly shallow and eutrophic lakes. In lakes in which less than 200 kg fish ha...
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