Littoral 0+ fish assemblages in three reservoirs of the Nové Mlýny dam (Czech Republic)

P. Jurajda and J. Regenda
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P. Jurajda: , J. R 2 1Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Brno, Czech Republic
J. Regenda: , J. R 2 1Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Brno, Czech Republic

Czech Journal of Animal Science, 2004, vol. 49, issue 10, 450-457

Abstract: A synchronous study of 0+ juvenile fish in three lowland reservoirs (Mušov, Věstonice, Nové Mlýny) of the Nové Mlýny dam (Czech Republic) was conducted in July 1997. Fish were sampled by fry beach seine and backpack electro fishing gear at 32 sites in three types of inshore habitats: concrete stepped embankment, stony rip-rap and sandy-gravel beach. In total, we registered 0+ juvenile fish of 17 species and one hybrid. The most common species was bleak Alburnus alburnus (62.7%), followed by roach Rutilus rutilus (12.8%), ide Leuciscus idus (6.2%) and asp Aspius aspius (5.5%). More than 53% of 0+ fish samples were caught in beach sites, 43% in rip-rap sites and only 3.4% in concrete embankment. The littoral assemblages of 0+ fish differed between the three adjacent reservoirs and also between the shoreline types.

Keywords: YOY; lowland dam; inshore assemblages; shallow reservoir; cyprinid fishes; DyjeRiver (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjs:v:49:y:2004:i:10:id:4331-cjas

DOI: 10.17221/4331-CJAS

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