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The effect of salting the highway D8 in the winter months: Results of species composition and abundance of water organisms in streams during vegetation season in year 2018.
Blabolil, Petr ; Kučerová, Andrea ; Matěna, Josef ; Rychetský, P. ; Peterka, Jiří
The focus of the study is to document the effect of chloride toxicity on aquatic organisms (macrophytes, aufwuchs, macrozoobenthos, fish and amphibians) in recipients around the D8 motorway, km 48.276 - 64.689, where the motorway passes through the České středohoří Protected Landscape Area. The summary of the achieved results for the vegetation season 2018 is the content of the presented report.
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The effect of salting the highway D8 in the winter months: Results of species composition and abundance of water organisms in streams during vegetation season in year 2019.
Blabolil, Petr ; Kučerová, Andrea ; Matěna, Josef ; Bešta, Tomáš ; Rychetský, P. ; Peterka, Jiří
The focus of the study is to document the effect of chloride toxicity on aquatic organisms (macrophytes, aufwuchs, macrozoobenthos, fish and amphibians) in recipients around the D8 motorway, km 48.276 - 64.689, where the motorway passes through the České středohoří Protected Landscape Area. The summary of the achieved results for the vegetation season 2019 is the content of the presented report.
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Current ichthyofauna of Laka Lake and connected streams
Blabolil, Petr ; Draštík, Vladislav ; Kočvara, Luboš ; Kolařík, Tomáš ; Muška, Milan ; Peterka, Jiří ; Soukalová, Kateřina ; Vrba, Jaroslav
The aim of this study was determination of Lake Laka and connected streams ichthyofauna. The obtained results, including their evaluation, are included in the report.
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Ichthyological survey of the asp spawning stock in the Švihov Reservoir in 2018
Šmejkal, Marek ; Bartoň, Daniel ; Blabolil, Petr ; Kolařík, Tomáš ; Soukalová, Kateřina ; Děd, Vilém ; Šmejkalová, Z. ; Kočvara, Luboš ; de Moraes, Karlos Ribeiro ; Kortan, D. ; Duras, J. ; Kubečka, Jan
The aim of the study was to evaluate the results of the asp population development in relation to the current fishery management and to develop proposals for the management of this predatory species in the future.
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Assessment of asp reproductive population in Švihov Reservoir in 2017
Šmejkal, Marek ; Blabolil, Petr ; Bartoň, Daniel ; Kolařík, T. ; Soukalová, Kateřina ; Děd, Vilém ; Boborová, K. ; Michalička, P. ; Zemanová, Z. ; Kočvara, Luboš ; Duras, J. ; Kubečka, Jan
The aim of the contract was to capture reproducing asp by electrofishing and tag fish individually using individual marking technique (PIT-tags). Estimate of asp reproductive population in the Švihov Reservoir was performed on the basis of mark-recapture methods. Furthermore, the length and weight increments were computed for recaptured asp individuals. Tagged individuals were monitored using passive telemetry systems on the tributary of Švihov Reservoir.
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