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National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
Selected factors affecting species and genetic diversity of oribatid mites (Acari: Oribatida) in Central Europe
 GALICOVÁ, Petra
The first part of the thesis focused on the impact of natural disturbances and subsequent management practices (natural regeneration vs. clear cutting) on the oribatid mites in the montane Norway spruce forest in Šumava National Park (Czech Republic). Our results showed that changes caused by logging after a natural disturbance could be evident even more than 15 years later, at least in oribatid mite communities. The results of a phylogeographic study of two closely related species are presented in the second part. Except for revealing distinct phylogeographic patterns in the populations of these species across Europe, one new species was discovered, and its morphological and genetic description is provided.
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Biodiversity of plants on elevation gradient in Central European mountains after large scale disturbances.
 Čermáková, Tereza ; Křenová, Zdeňka (advisor) ; Kindlmann, Pavel (referee)
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Biogeographical research of the effects of antropogenous and natural disturbances
 Lacina, Jan
Biogeographical research at the Institute of Geonics of the Academy of Sciences of the Czech Republic is presently focused to impacts of catastrophic factors (floods, landslides) and anthropogenic disturbances of mining activities in vegetation. Changes of biotopes are investigated on flood river basin of Bečva river, on landslides in Western Carpathians and on landscapes changed by mining activities in Ostrava vicinity and Bohemian-Moravian uplands.
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Succession in the flood beds of Moravian rivers on example of Bečva a Desná
 Lacina, Jan
In flood river basins of alluvium of the Bečva and Desná rivers was found research transects after catastrophic flood in July of 1997 and natural succession was investigated on new ecotopes. Present results shows that succession is dependent on location of biotopes in the face of current active river flow.
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