Seasonal changes in diel activity of juvenile European catfish Silurus glanis (Linnaeus, 1758) in Byšicka Lake, Central Bohemia

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41210%2F16%3A72138" target="_blank" >RIV/60460709:41210/16:72138 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1111/jai.13146" target="_blank" >http://dx.doi.org/10.1111/jai.13146</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1111/jai.13146" target="_blank" >10.1111/jai.13146</a>

Result language
angličtina
Original language name
Seasonal changes in diel activity of juvenile European catfish Silurus glanis (Linnaeus, 1758) in Byšicka Lake, Central Bohemia
Original language description
Dualism in activity has been described in many fish species, including larger individuals of European catfish (Silurus glanis), which are able to switch their activities from nocturnal to diurnal in winter and spring. During the multi-year telemetry study, seasonal changes in diel activity of 45 juvenile European catfish were investigated. These juveniles exhibited no dualism in movement and were strictly nocturnal and crepuscular with no period of diurnal activity. During winter, the same juvenile European catfish were completely inactive throughout the 24-hr cycle. Also investigated was the impact of temperature, dissolved oxygen levels and water clarity on fish movement, relocation of resting places and home range size. The only significant correlations were that relocation and home range size increased with rising water temperatures.
Czech name
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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
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Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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