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The health condition of trees in natural monument Modřanská rokle
Merkl, Tomáš ; Čížková, Dana (advisor) ; Pešková, Vítězslava (referee)
This thesis deals with monitoring of the health condition of natural monuments Modřanská rokle. The aim of this study was mapping and evaluation of biotic and abiotic factors that influence the growth of local species. Subsequent to their description and evaluation with regard to on what tree species occurred. To what extent they also threaten of the woods in favorite place for walks and sports of Praguers. The research was conducted by repeated terrain errands during which those individuals were monitored which had external signs of damage. During survey were taken the photographs. Checking of the trees was carried out in the line transects along the creek Libušský. Followed by consultations and evaluation of collected materials and summarized in the conclusion. The field investigations were carried out from March 2015 until the end of February 2016. Harmful factors were identified and described according to photographs taken with the help of literature and Internet sources.

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