Abundance of Cottus poecilopus is influenced by O-2 saturation, food density and Salmo trutta in three tributaries of the Roznovska Becva River, Czech Republic

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12310%2F15%3A43888994" target="_blank" >RIV/60076658:12310/15:43888994 - isvavai.cz</a>
Alternative codes found
RIV/60077344:_____/15:00443149 RIV/60076658:12510/15:43888994 RIV/61989592:15310/15:33157827
Result on the web
<a href="http://onlinelibrary.wiley.com/doi/10.1111/jfb.12565/abstract" target="_blank" >http://onlinelibrary.wiley.com/doi/10.1111/jfb.12565/abstract</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1111/jfb.12565" target="_blank" >10.1111/jfb.12565</a>

Result language
angličtina
Original language name
Abundance of Cottus poecilopus is influenced by O-2 saturation, food density and Salmo trutta in three tributaries of the Roznovska Becva River, Czech Republic
Original language description
The distribution patterns of alpine bullhead Cottus poecilopus in three tributary streams of the Ronovska Beva River (Danube basin) were studied with respect to temperature, oxygen concentration and saturation, shading, current, conductivity, total organic carbon (TOC), nitrates and phosphates, biochemical oxygen demand (BOD5), pH, redox potential, bottom grain structure, density of macroinvertebrates and the abundance of brown trout Salmo trutta. Sites with lower abundance per hectare of C. poecilopus differed significantly in dissolved oxygen saturation, density of macroinvertebrates during the autumn period (positive correlation with C. poecilopus) and in abundance per hectare of S. trutta (negative correlation). These results indicate that these factors significantly influence the distribution of this endangered species in the studied catchment and that stocking of S. trutta will impair its recovery. (C) 2014 The Fisheries Society of the British Isles
Czech name
—
Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
GL - Fishery
OECD FORD branch
—

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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