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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Silver fir growth depending on altitude and slope exposition in National park Krkonoše
 Zapadlo, Jan ; Kupka, Ivo (advisor) ; Baláš, Martin (referee)
This Master thesis deals with a dynamic of planting development of silver fir (Abies Alba Mill.) depending on an altitude and exposure in the mountain conditions of the western part of the Krkonose (Giant Mountain) National Park. Further it examines the influence of a tree age, average temperature and precipitation amounts on such a development. Annual silver fir height increments have been compared on the four selected sites which differ from each other, in particular, by their altitude but other characteristics have been considered as well. Analyses proved that there were significant statistical differences between an average height increments on these sites. Through the methods of correlation and regression analyses impacts of other factors on the said differences along with the intensity of such impacts have been identified. In addition to the altitude a factor of an average temperature, precipitation amount during a given period and a tree age have been determined. Whilst examining the dependency of fir development using more factors simultaneously a linear regression model of dependency between the fir height increments and joint effects of the aforementioned factors has been created.
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Evaluation of the environmental good - The Eastern Slovak dam Ružín
 Kožariková, Veronika ; Dvořák, Antonín (advisor) ; Hadrabová, Alena (referee)
The main purpose of the diploma thesis is to determine the willingness of people visiting the Eastern Slovak dam Ružín to pay for improving water quality, namely for the environmental good. Willingness to pay is determined by questionnaire investigation the contingent valuation method. Dam is a public good, which has no owner. We all use it without someone to care for it. This use is not positive, but negative in terms of pollution, clogging of toxic sediments. The theoretical part is devoted to construction and the need to build dam as well as environmental problems, which occur at the dam. This is related to the problem of public good and "the tragedy of the commons." There are the contingent valuation method and development of the questionnaire described at the end of theoretical part. The practical part consists of the evaluation questionnaire investigation and the linear regression model in terms of the parameters under which they were created identifiers variables and point estimates. Finally, it is converted by statistical analysis of the impact of variables on the amount that people are willing to pay.
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