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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Natural regeneration of beech stands as the upper limits of its expansion in the western Krkonoše Mts.
 Petráňová, Agáta ; Vacek, Stanislav (advisor) ; Otakar, Otakar (referee)
This thesis is about natural regeneration of beech stands in the western Krkonoše Mountains. It is focused on the I. zone area of the Krkonoše National Par. The measuring and data collection took place on three permanent research plots in the Horní Mísečky area. All individuals of natural regeneration with the diameter of the stem smaller than 4 cm were taken into account. The stands are diverse according to the structure and also according to the species. The stadium of regrowth is on the research plots represented mainly by younger individuals of the beech regeneration. This stadium overlaps the stadium of decline.
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Natural regeneration of mixed stands in the western Krkonoše Mts.
 Prokůpková, Anna ; Vacek, Stanislav (advisor) ; Otakar, Otakar (referee)
The main topic is natural regeneration of mixed stands in the western Krkonoše Mts focused on Dolní Mísečky. Theoretical part is concerned with problematic of natural regeneration, static stability of forest tree species and stands, characteristic of forest species, which occur on pernament plots and with a description of the area. Practical part deals with the measurement and data acquisition. Measurement take a part in I.zone of National Park in Giant Mts. At each plot was defined transect of size 50x5m. Pernament plots were choosen on places with a natural regeneration of european beech, but also with another forest species. Natural regeneration depends on microclimate conditions at the sites. Stands create stable forest ecosystem, in spite of negative factors.
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