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Comparison of spruce and beech stands tending in the territory of the Forest district Oravská Polhora and Nadlesnictwa Jelesnia.
 Chudják, Adam ; Remeš, Jiří (advisor) ; Bílek, Lukáš (referee)
This thesis focuses on the analysis of a comparison of thinning in spruce forest stands and beech forest stands. The data were collected in the area of forest districts Oravská Polhora and Nadleśnictwa Jeleśnia. The aim was to find out the intensity and the type of thinning. There were particular selected stands with similar natural and characteristic conditions where a future intervention was planned. There were established 8 research plots in the stands with the area of 0,16 ha. Basic stand characteristics were measured and evaluated on the plots before and also after the interventions. The data analyzing shows a big difference among the intensities of interventions. The thinning in Poland was much more intense. The intensity of thinning on the plots of Slovak territory was just one half of the intensity prescribed in the forest economical plans. There was a big difference between the measured stand reserves and the reserves listed in the plans. On the plots where beech was the dominant tree species a thinning from above with negative selection was done. On the plots where spruce was the dominant tree species a negative thinning from below with minimal intervention into the level was done. This corresponds with the indexes of thinning. The carried out ways of thinning for beech and spruce were often used especially in the past. Current effort is to grow stands with the highest stability and quality. According to these requirements newer and more modern ways of thinning were developed. These ways help us effective to achieve the aims. Based on the results a rationalization thinning from above according to Korpeľ (1988), possibly free thinning from above according to Štefančík (1984) was suggested in the stands with beech as a dominant tree species. In the spruce stands a thinning from above according to Konšel D degree (1931) was suggested.
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