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This diploma thesis focuses on an analysis of the sources of pollution in the catchment area of the water source in Skalice nad Svitavou, which is used as a supply of drinking water. The theoretical part of the thesis describes the issues related to the given topic, as well as the area of interest and the water source. Field research was conducted in the catchment area of the water source, and samplings spots for monitoring water quality in the watercourse of Úmoří were determined, as the watercourse runs near the water source. Samples were collected every three months and, subsequently, analysed in the laboratory of ÚAKE AF MENDELU. The findings were evaluated according to the valid legislation. The water quality of the water source was also evaluated for the time period of the last five years. On the basis of all of these findings, protective measures were proposed to improve the protection of the water source.

The main topic of this diploma thesis is the reconstruction of a small reservoir in the cadastral area Horní Loděnice. The basis of this study is detailed field research of the reservoir and its catchment basin and the subsequent measurement of the location to create a digital terrain model. Another essential part is detection of natural conditions of the location and the current state of the reservoir. It will be possible to design reconstruction only after examination of all available information and measurement of the location.

This dissertation "Revitalisation of a specific section of Rokytná water current" focuses on the respective water current between the 85,989 and the 86,999 kilometre. This section of the river is located in a land register of Rokytnice nad Rokytnou, a village approximately 10 kilometres West from Třebíč in the Vysočina region. The waterway of the river Rokytná was inappropriately shaped as straight, with the riverbed significantly entrenched constant triangular profile along the entire section. Moreover, an alley of tree species was planted along this section of the river, which further exacerbated its problematic aspects. The aim of this dissertation is to suggest a solution in line with current requirements for small-water current revitalisation projects. Moreover, the proposed solution will strengthen the ecological and aesthetical functions of the river.

Cílem terénní diplomové práce bylo určování a posouzení diverzity vodních a mokřadních druhů rostlin (makrofyt) v 46 sledovaných vodních nádržích v povodí řeky Vltavy a Malše. Vlastní botanický průzkum probíhal v podhůří Novohradských hor a zaobíral se druhovou identifikací vyšších rostlin ve vymezeném území vodních nádrží, pro které byla současně stanovena i listová pokryvnost dle Braun-Blanquetovy stupnice modifikace Westhoff & van der Makrel. Sběr druhových dat a definování listové plochy probíhalo vždy jen na úrovni vodního ekosystému s členěním na jednotlivé polygony (litorály) s charakteristickými stanovištními společenstvy. Získaná data se následně vizualizovala v mapách a tabulkách druhového zastoupení s přidělenou pokryvností. Z environmentálních ukazatelů se hodnotil obsah dodatkových živin v nádrži, velikost rybí obsádky, chov kachen, charakter a mocnost sedimentů, vodní stav, převažující zemědělské využití půdy v blízkém okolí, rozloha vodní plochy a hlavní spádové povodí dané oblasti. Zmíněné ukazatele (podmínky) se zaznamenávaly pro každou vodní nádrž a staly se podkladem pro další statistické hodnocení mokřadního ekosystému. Diplomová práce se skládá ze dvou částí - rešeršního zpracování problematiky rybničního hospodaření s dopady na doprovodnou vodní vegetaci a statistického vyhodnocení identifikovaných údajů. Ze sumarizovaných statistických dat vzešla skutečnost zvýšené diverzity druhů v povodí řeky Vltavy u částečně letněných rybochovných nádrží. Mapování a sběr botanických vzorků proběhl ve vegetační sezóně 2015, v období od konce měsíce května do začátku měsíce srpna.

This diploma thesis focuses on the possibilities of restoration of a small water stream and the construction of a small water reservoir. The small water streams and small water reservoirs are not only the landscape-forming element in the countryside but also, they are used mainly as rectification of water regime in the countryside. In the past there were used inappropriate ways how to modify watercourses or land, there came about ignoring water reservoirs and even water reservoirs were disturbed. Because of that, it came about the harming of ecosystems, small retention of water in the countryside and about the disruption of the natural functions of water streams.

In this master's thesis Suggest the protection of soil erosion in the cadastral area Jedovnice, I perform the analysis of specific factors influences erosion processes and I find the size of the average soil runoff. It also determines by two different methods (old and new) degrees of erosion threat. The detected values degrees of erosion threat, according to different methods differ significantly. Methods differ mainly in the value of R-factor and the limits of permissible soil loss. Main objective is on the average values soil runoff, propose appropriate antierosion measures with regard to the permissible loss of land. I suggest, for both calculations by different methods, organizational erosion control measures. At the end I evaluate two variants of the selected organization erosion control measures and compare their effect on soil erosion in Jedovnice. Keywords: soil protection, water erosion, erosion control measures, USLE

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