National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Rozšíření a velikost populace bobra evropského (\kur{Castor fiber}) ve VÚ Boletice
SEIDL, Vladislav
In this bachelor thesis the information about the European beaver (Castor fiber), its historical and recent distribution in the Czech Republic including possible immigration paths is reviewed. The impact of beaver on communities of both aquatic and terrestrial organisms and its relationship with humans are described. The thesis also includes a project proposal regarding monitoring the population size and territories number of the European beaver in Boletice Military Training Area. Some management implications focused on military area are discussed.
Biomechanické vlivy stromů na půdu v přirozených temperátních lesích
Senecká, Anna
Biomechanical effects of trees (BETs) on soil have not yet been sufficiently evaluated. In this study, we aim to (i) develop a widely applicable methodology for measuring the BETs, and (ii) to analyze structure of these processes. The research took place in the Boubínský Primeval Forest where Fagus sylvatica L. and Picea abies (L.) Karst occur predominantly. Manifestations of the 11 different BETs were evaluated with 4,000 standing or lying trees on an area of 10.2 hectares. We recorded specific biomechanical effect (of trees) in 59% standing and in 51% of the lying trees. There were significant differences in the structure of BETs among trees of different species and dimensions. While the bioprotective function of tree was the most frequent effect, from the viewpoint of areas and soil volumes affected the treethrow were the most important. The total area affected by the processes was 342 m2 ha-1 and the total volume was 322 m3 ha-1.

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