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A planktivorous specialist turns rapacious: piscivory in invading vendace Coregonus albula

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Following invasion and establishment in a subarctic watercourse, small-sized vendace Coregonus albula were surprisingly found to include fish prey in their diet. The zooplankton resource was severely depleted and only made a minor dietary contribution.

Keywords: diet choice; diet shift; food competition; invasion; predation; resource depletion

Document Type: Research Article


Affiliations: 1: Department of Arctic and Marine Biology, Faculty of BioSciences, Fisheries and Economics, University of Tromsø, N-9037 Tromsø, Norway 2: A. N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, 33 Leninsky Prospect, Moscow 117071, Russia

Publication date: 2011-01-01

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