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Impact of fluvial-morphological macrostructrus on the physical habitat of streams.
Strachota, Pavel ; Matoušková, Milada (advisor) ; Křížek, Marek (referee)
This thesis main goal is to nd the main parameters describing fluvial-morphological macrostructures due physical habitat of streams on example study of Zlatý potok stream and Mandát stream. To perform this study was used technique of neural network. Neural network method make possible to make both qualitative and quantitative survey of particular parameters and their weights. Fundamental data used for this thesis was got by mapping regions of interest with two ecohydromorphological methods EcoRivHab and RHS. Information about physical habitat of mapped streams was realized from map's basis (ZABAGED) and by mapping (e.g. valley relief by laser gradiometer, bed loads). Data processing was realized in two parts. In the first part the regions of interest were quali ed to both of the methods. Neural network was seeded by data from mapping of the Zlatý potok stream. In the second part results of mapping for all of the streams were compared by technique of neural network. This way it was possible to evaluate di erences among natural parts of streams in geographically di erent areas and also major and minor parameters both of the used methods for mappings.
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Proposal of restoration measures in Slubice River basin based on ecohydromorphological survey
Šmerousová, Kateřina ; Matoušková, Milada (advisor) ; Just, Tomáš (referee)
This diploma thesis deals with ecohydrological state of the streams as an answer river habitat quality to exploitation, regulation and otherwise modification (flood-defence engineering, impoundment, river restoration, climate change or the spread of alien species), and with revitalization of water bodies for the purpose of elimination and mitigation of the negative consequences river ecosystem modification and improvement of ecological function river ecosystems in landscape. Focus is on the Slubice river basin in Landscape Protected Area Žďárské vrchy where field survey ecomorphological methods EcoRivHab a HEM was applied. On the basis of the obtained outputs antropogenic transformation of the river network, water quality, hydrological condition, definition of the reference state and assessment of the river patterns and changes of the length on the basis of the historical maps and ecomorphological survey outputs in the area of interest strongly antropogenic changed watercourse reaches was identified which require restoration and suitable restoration measures was proposed to the purpose of WFD goals attaining.
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Impact of fluvial-morphological macrostructrus on the physical habitat of streams.
Strachota, Pavel ; Matoušková, Milada (advisor) ; Křížek, Marek (referee)
This thesis main goal is to nd the main parameters describing fluvial-morphological macrostructures due physical habitat of streams on example study of Zlatý potok stream and Mandát stream. To perform this study was used technique of neural network. Neural network method make possible to make both qualitative and quantitative survey of particular parameters and their weights. Fundamental data used for this thesis was got by mapping regions of interest with two ecohydromorphological methods EcoRivHab and RHS. Information about physical habitat of mapped streams was realized from map's basis (ZABAGED) and by mapping (e.g. valley relief by laser gradiometer, bed loads). Data processing was realized in two parts. In the first part the regions of interest were quali ed to both of the methods. Neural network was seeded by data from mapping of the Zlatý potok stream. In the second part results of mapping for all of the streams were compared by technique of neural network. This way it was possible to evaluate di erences among natural parts of streams in geographically di erent areas and also major and minor parameters both of the used methods for mappings.
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Proposal of restoration measures in Slubice River basin based on ecohydromorphological survey
Šmerousová, Kateřina ; Matoušková, Milada (advisor) ; Just, Tomáš (referee)
This diploma thesis deals with ecohydrological state of the streams as an answer river habitat quality to exploitation, regulation and otherwise modification (flood-defence engineering, impoundment, river restoration, climate change or the spread of alien species), and with revitalization of water bodies for the purpose of elimination and mitigation of the negative consequences river ecosystem modification and improvement of ecological function river ecosystems in landscape. Focus is on the Slubice river basin in Landscape Protected Area Žďárské vrchy where field survey ecomorphological methods EcoRivHab a HEM was applied. On the basis of the obtained outputs antropogenic transformation of the river network, water quality, hydrological condition, definition of the reference state and assessment of the river patterns and changes of the length on the basis of the historical maps and ecomorphological survey outputs in the area of interest strongly antropogenic changed watercourse reaches was identified which require restoration and suitable restoration measures was proposed to the purpose of WFD goals attaining.
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Basic ecohydrological evaluation of a small watercourse
Häusler, Martin ; Doležal, František (advisor) ; Kateřina, Kateřina (referee)
At present the words like ecology or enviroment appear on our every step. In this bachelor´s thesis I focused on the part of the enviroment that mak, calledes life on Earth possible, water. In this thesis I carried out an ecohydrological evaluation of the Litovicko Šárecký stream, namely, its lower reaches, called Šárecký stream.
The Šárecký stream begins at the outlet of the water reservoir Džbán, located in the capital city Prague, and flow further through the nature reserve Divoká Šárka, the Tichá Šárka valley and the Šárecké valley. The stream ends in Podbaba, where it joins the Vltava river from the left side.
The EcoRivHab method was chosen for the evaluation. It includes the stream bed zone, the zone of accompanying vegetation belts and the zone of adjacent flood plain. At the same time, the whole basin has been described geologically, pedologically and climatologically
The method is based on dividing the 9.664 km long stream into 26 sections which variable lenght but qualitatively homogenous. One of them, the one least anthropologically influenced, was chosen as a reference for comparison with the others. The field mapping was executed in June 2015 and in November of the same year. I put emphasis on the hydromorphological state of the stream bed, the accompanying vegetation belts and the adjacent flood plain. On the basis of comparison with the reference section, all sections were categorized according to its ecomorphological grade.
In the future, this ecohydrological evaluation can be used as a background for stream restoration plans that may improve the current state.
On the basis of the ecohydrological evaluation, Šárecký stream was classified mostly into the 1st or 2nd ecomorphological grade, which means a natural or next to natural state without signifiant anthropological influence. This grade mostly occurs in the upper part of the stream, while some indicators get worse as the we progress downstream. The worst grade got one section, which was classified into the 5th ecomorphological grade, which means very strong anthropological influence.
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