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Results of Chabařovice lake fish community survey in 2013
Peterka, Jiří
The report summarizes results of complex ichthyological survey of lake Milada (former opencast mine Chabařovice) in 2013, and suggests recommendations for further monitoring. The objective of the survey was the documentation of fish community current state and succession, evaluation of possible future risks and lake management recommendations.
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Complex survey of fish community of Most lake in 2011
Peterka, Jiří ; Kubečka, Jan
The report summarizes results of complex ichthyological survey of lake Most (former opencast mine Ležáky-Most) in 2011, and suggests recommendations for further monitoring. The objective of the survey was the documentation of fish community current state and succession, evaluation of possible future risks and lake management recommendations.
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Past, present and future of lake trauts
Blabolil, Petr ; Peterka, Jiří ; Čech, Martin ; Draštík, Vladislav ; Frouzová, Jaroslava ; Jůza, Tomáš ; Kratochvíl, Michal ; Matěna, Josef ; Muška, Milan ; Prchalová, Marie ; Říha, Milan ; Sajdlová, Zuzana ; Šmejkal, Marek ; Tušer, Michal ; Vašek, Mojmír ; Vejřík, Lukáš ; Kubečka, Jan
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What do the fish say about the quality of aquatic ecosystems
Blabolil, Petr ; Říha, Milan ; Peterka, Jiří ; Prchalová, Marie ; Vašek, Mojmír ; Jůza, Tomáš ; Čech, Martin ; Draštík, Vladislav ; Kratochvíl, Michal ; Muška, Milan ; Tušer, Michal ; Frouzová, Jaroslava ; Ricard, Daniel ; Mrkvička, Tomáš ; Sajdlová, Zuzana ; Vejřík, Lukáš ; Šmejkal, Marek ; Borovec, Jakub ; Matěna, Josef ; Boukal, David S. ; Kubečka, Jan
The first Czech methodology for the assessment of ecological potential of heavily modified water bodies and artificial water bodies based on fish communities was developed. The first step of developing the methodology was preparing the typology of water bodies. The typology distinguishes between water bodies of different altitudes and with and without thermal stratification. Fish were sampled by multimesh gillnets following European standard procedures. The selection of fish metrics was based on statistical analyses in which metrics (fish community indicators) were correlated with the most common stressor – eutrophication. The analysis detected several sensitive metrics (metrics showing the best correlation with the stressor) in which ecological class boundaries were set. Afterwards, combination of sensitive metrics was used for calculation of the ecological quality ratio (EQR) for each of the reservoir sampled. The EQR expresses the deviation between a reservoir’s current ecological status and its maximum potential. The next step consisted of validating the EQR with an independent pressure index and verifying the time stability of ecological potential assessment. The metrics used in the methodology fulfill all the obligations set forth in the Water Framework Directive (2000/60/EC), which include assessment of the composition, abundance and age structure of fish fauna.
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Fish community succession in post-mining lakes Milada, Most and Medard
Peterka, Jiří ; Čech, Martin ; Draštík, Vladislav ; Frouzová, Jaroslava ; Jůza, Tomáš ; Blabolil, Petr ; Vejřík, Lukáš ; Richta, Jiří ; Kubečka, Jan
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Research of the reproduction success of perch (Perca fluviatilis L.) in the opencast mine lake Chabařovice using SCUBA divers
Čech, Martin ; Peterka, Jiří ; Říha, Milan ; Vejřík, Lukáš ; Jůza, Tomáš ; Draštík, Vladislav ; Kratochvíl, Michal ; Muška, Milan ; Hejzlar, Josef ; Znachor, Petr ; Kubečka, Jan
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