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Does the stock density of stillwater catch and release fisheries affect the growth performance of introduced cultured barbel?

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†Tel.: +44 (0) 1925 653999; fax: +44 (0) 1925 415961; email: ayesha.taylor@environment-agency.gov.uk

Abstract

In comparison to barbel Barbus barbus in their natural, riverine environment, the growth performance of cultured barbel, following introduction into stillwater environments, was depressed when the extant stock density was above 500 kg ha−1 and common carp Cyprinus carpio were present.

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