Fish assemblages in the Słupia River system (Northern Poland)
2018
Dębowski, Piotr
Electrofishing was carried out at 66 sites in the Słupia River system. Twenty-five fish species were noted. The most frequent were trout (Salmo trutta), three-spined stickleback (Gasterosteus aculeatus) and bullhead (Cottus gobio). Three groups of sampling sites were distinguished based on fish densities and species composition. These fish assemblages inhabited places that did not differ widely with regard to the 13 environmental parameters assessed. Although there were also no clear sequences of assemblages, the distinct influence of lakes and impoundments was evident. CORRESPONDING AUTHOR: Dr Piotr Dębowski, Instytut Rybactwa Śródlądowego, Zakład Ryb Wędrownych, ul. Reduta Żbik 5, 80-761 Gdańsk, tel./fax: +48 58 3057011; e-mail: [email protected]
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This bibliographic record has been provided by Stanislaw Sakowicz Inland Fisheries Institute