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Zhodnocení stavu Knínického potoka z hlediska znečištění dusičnany
 Caesar, Jindřich
The aim of the bachelor thesis is to monitor the stream Knínický potok in terms of water quality and nitrogen pollution. The theoretical part contains the basic facts about water and its importance to humans. Further it describes the composition and properties of water, types of water and especially water quality and pollution. There are also defined factors having the most significant impact on water quality along with the relevant le-gislation. The practical part consists of site survey and the monitoring itself, which was carried out monthly from april 2015 to march 2017. The monitoring was based on fieldwork requiring water sampling and measurement of selected parameters such as pH, conductivity, dissolved oxygen and temperature; the other parameters, nitrate and total nitrogen, were determined in the UAKE MENDELU laboratory. In the discussion part the resulsts are compared to ČSN 75 7221 and to the government regulation 401/2015 Sb., in an effective version. As a result of the work, main sources of nitrogen pollution in the stream are determined.
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