Number of the records: 1
Reservoir to river passage of age-0+ year fishes, indication of a dispersion pathway for a non-native species
- 1.
SYSNO ASEP 0390466 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Reservoir to river passage of age-0+ year fishes, indication of a dispersion pathway for a non-native species Author(s) Janáč, Michal (UBO-W) RID, ORCID, SAI
Jurajda, Pavel (UBO-W) RID, SAI, ORCID
Kružíková, L. (CZ)
Roche, Kevin Francis (UBO-W) RID, SAI
Prášek, Václav (UBO-W) SAINumber of authors 5 Source Title Journal of Fish Biology. - : Wiley - ISSN 0022-1112
Roč. 82, č. 3 (2013), s. 994-1010Number of pages 17 s. Language eng - English Country GB - United Kingdom Keywords Abramis brama ; drift ; entrainment ; invasive species ; Proterorhinus semilunaris ; Sander lucioperca Subject RIV EH - Ecology, Behaviour R&D Projects GAP505/11/1768 GA ČR - Czech Science Foundation (CSF) Institutional support UBO-W - RVO:68081766 UT WOS 000316004400015 EID SCOPUS 84874791090 DOI 10.1111/jfb.12037 Annotation This study demonstrates passage of age-0+ year individuals of pikeperch Sander lucioperca, common bream Abramis brama and non-native tubenose goby Proterorhinus semilunaris from the Nové Mlýny Reservoir into the River Dyje (Danube River basin, Czech Republic) through the turbine of a hydropower facility. Most fishes had standard length (LS) in the range 12–33 mm. Seasonal patterns corresponded with spawning activity, i.e. an early single spawning event for S. lucioperca, multiple spawning events for A. brama and continuous spawning with a later start and prolonged duration for P. semilunaris. Sander lucioperca, P. semilunaris and larger A. brama (>22 mm) drifted almost exclusively during the dark; smaller A. brama displayed no preference for light or dark. Proterorhinus semilunaris displayed significantly lower mortality than other species when passing through the turbine (3% compared to 18%). The passage of high numbers of P. semilunaris from the reservoir (estimated at 473 000 individuals per year), and their subsequent mass downstream drift, may have contributed to rapid population establishment along the River Dyje and the quick downstream expansion. Workplace Institute of Vertebrate Biology Contact Hana Slabáková, slabakova@ivb.cz, Tel.: 543 422 524 Year of Publishing 2014
Number of the records: 1