National Repository of Grey Literature 34 records found  previous11 - 20nextend  jump to record: Search took 0.00 seconds. 
Complex fish stock survey of Lake Chabařovice in 2017
Peterka, Jiří
Aim of the complex ichthyological survey of Lake Chabařovice was to map the current state and succession of lake’s fish stock with particular emphasis put on abundance and biomass estimates of all fish species, evaluation of possible risks to the further development of the fish stock and recommendations for the lake management. Summarization of achieved results and recommendations for further monitoring are included in the presented report.
Hydrobiological monitoring of Medard Lake in 2016
Hejzlar, Josef ; Borovec, Jakub ; Nedoma, Jiří ; Znachor, Petr ; Seďa, Jaromír ; Peterka, Jiří
Presented report summarizes the results of hydrobiological monitoring of Medard Lake in 2016 and recommends further monitoring actions. Between November 2015 and June 2016 final flooding from river Ohře took place, resulting in enrichment of the lake ecosystem by large amount of nutrients at the beginning of vegetation season what affected seasonal development of chemical as well as biological parameters, from phytoplankton to fish.
Complex fish stock survey of Lake Most in 2016
Peterka, Jiří
Aim of the complex ichthyological survey of Lake Most was to map the current state and succession of lake’s fish stock with particular emphasis put on abundance and biomass estimates of all fish species, evaluation of possible risks to the further development of the fish stock and recommendations for the lake management. Summarization of achieved results and recommendations for further monitoring are included in the presented report.
Complex fish stock survey of Lake Most in 2015.
Peterka, Jiří
Aim of the complex ichthyological survey of Lake Most was to map the current state and succession of lake’s fish stock with particular emphasis put on abundance and biomass estimates of all fish species, evaluation of possible risks to the further development of the fish stock and recommendations for the lake management. Summarization of achieved results and recommendations for further monitoring are included in the presented report.
Complex fish stock survey of Lake Chabařovice in 2015.
Peterka, Jiří
Aim of the complex ichthyological survey of Lake Chabařovice was to map the current state and succession of lake’s fish stock with particular emphasis put on abundance and biomass estimates of all fish species, evaluation of possible risks to the further development of the fish stock and recommendations for the lake management. Summarization of achieved results and recommendations for further monitoring are included in the presented report.
Hydrobiological monitoring of Medard Lake in 2015.
Hejzlar, Josef ; Borovec, Jakub ; Nedoma, Jiří ; Znachor, Petr ; Seďa, Jaromír ; Peterka, Jiří
Presented report is summarizing the results of the hydrobiological monitoring of Medard Lake in 2015 and recommends further monitoring actions. In 2015 the lake was not flooding from river Ohře, therefore the water level increase was realized only by precipitation and inflow from lake’s own drainage area. Furthermore, it was the first year without stocking of maraena whitefish and brown trout.
Hydrobiological monitoring of Medard Lake in 2014
Hejzlar, Josef ; Borovec, Jakub ; Nedoma, Jiří ; Znachor, Petr ; Seďa, Jaromír ; Peterka, Jiří
Presented report is summarizing the results of the hydrobiological monitoring of Medard Lake in 2014 and recommends further monitoring actions. In 2014 the lake was not flooding from river Ohře, therefore the water level increase was realized only by precipitation and inflow from lake’s own drainage area. Forming of fish stock was realized according to stocking plans.
Hydrobiological monitoring of Medard Lake in 2013
Hejzlar, Josef ; Borovec, Jakub ; Nedoma, Jiří ; Znachor, Petr ; Seďa, Jaromír ; Peterka, Jiří
Presented report is summarizing the results of the hydrobiological monitoring of Medard Lake in 2013 and recommends further monitoring actions. In 2013 ongoing flooding of the lake from river Ohře had the main effect on the monitored parameters affecting the overall trophic level and having the cascading effect through the trophic pyramid.
Sledování biogeochemických cyklů ekologicky významných prvků v malých povodích NP Šumava
Česká geologická služba, Praha ; Oulehle, Filip ; Hofmeister, Jeňýk ; Hruška, Jakub
Úkolem projektu byla kvantifikace toků daných prvků v lesních ekosystémech ve třech výrazně odlišných situacích. Projekt byl realizován ve třech povodích v oblasti centrální Šumavy (Kout, Doupě a Stolec).
Labe IV: Cyklický biomonitoring vybraných složek ekosystému Labe
Výzkumný ústav vodohospodářský T.G.Masaryka, Praha ; Vymazalová, Eva ; Svoboda, J. ; Stuchlík, E. ; Kužílek, V. ; Kokeš, Jiří ; Havel, L. ; Fuksa, Josef K.
Cyklický biomonitoring hodnotí změny vybraných složek v čase a podélném profilu toků z hlediska kontaminace a z hlediska antropogenních změn habitatů. Základem je shoda se způsobem získávání dat v minulých cyklech - vzorkované lokality, vzorkovací postupy, shodné způsoby zpracování a analýz vzorků. Pro některé složky jsou terénní a laboratorní práce zařazeny do dalších dílčích úkolů projektu, z jejichž zpráv jsou převzaty výsledky ke konfrontaci s vlastními výsledky tohoto dílčího úkolu. Jsou to následující charakteristiky: Populační charakteristiky ichtyofauny (DÚ01), biomasa fytoplanktonu (DÚ02) a kontaminace rybí biomasy (DÚ13).

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