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River discharge drives recruitment success of the European bitterling Rhodeus amarus in a regulated river in central Europe

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Abstract:

A 15 year data set revealed that the abundance of 0+ year Rhodeus amarus in a regulated river was negatively associated with mean river discharge, while mean standard length was positively related to the cumulative number of degree-days ≥10° C. Results are discussed in the context of the recent invasion success of R. amarus.

Keywords: interannual variation; invasive species; juvenile growth; long-term data set; water temperature; young-of-the-year fish

Document Type: Research Article

DOI: https://doi.org/10.1111/j.1095-8649.2009.02207.x

Affiliations: Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, 603 65 Brno, Czech Republic

Publication date: 2009-05-01

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