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National Repository of Grey Literature 2 records found  Search took 0.02 seconds. 
Fluctuations in the groundwater level in the montane peat bog Rokytka
 Lencová, Kateřina ; Šobr, Miroslav (advisor) ; Doležal, Tomáš (referee)
Peatbogs are globally widespread ecosystems that have a major influence on the hydrological conditions of watersheds. Of particular importance are mountain highlands, which are characterized by their occurrence in the source areas of streams. Despite the indisputable importance of the montane peatbogs in terms of runoff conditions, their influence has not yet been conclusively clarified. Montane peatbogs are a particularly important topic for the Šumava region, where they represent a fundamental element of the landscape. The study site is therefore situated in one of the Šumava's spring areas - the Rokytka watershed. As part of this thesis, the issue of the hydrological function of the monitored peatbog has been viewed mainly through the differences in the fluctuation of the groundwater level in different parts of the peatbog. At the same time, the influence of the precipitation on the change in the groundwater level in the peatbogs and on the runoff response of the Rokytka brook has been monitored. Precipitation is the only source of water for the highlands and its influence is therefore crucial. Although several previous studies have focused on the influence of this highland on the runoff conditions of the Rokytka brook, groundwater levels from manually measured probes have not yet been analysed....
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Vliv vypalování pastvin na lesní zdroje republiky Zambie
 Šanda, Matěj
The aim of this bachelor thesis is to evaluate the loss of forest in Zambia, in a marked locality in the southern province. For the purpose of this research, we used satellite images of the Sentinel 2 satellite, which we subsequently edited in the ArcGis map software so that differences in vegetation and it´s loss can be seen on individual images that are separated by 5 years. Another question is the use of fire as a tool for creating new areas for agricultural and grazing purposes, because Zambia is one of the countries in which fire plays an important role (it deeply affects both the historical and cultural roots of this country). It is very problematic to find a suitable and ecological substitute for burning.
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