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National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Demography and Dispersal Ability of a Threatened Saproxylic Beetle: A Mark- Recapture Study of the Rosalia Longicorn (Rosalia alpina)
 DRAG, Lukáš
This thesis focuses on demography and mobility of an endangered and strictly protected icon of European saproxylic biodiversity, the Rosalia longicorn beetle (Rosalia alpina). Using the mark-recapture method we estimated the size of the population, adult longevity, and dispersal ability of the Rosalia longicorn on three hills in the Ralska Upland, Czech Republic. Furthermore, we assessed the distribution pattern of another 15 populations inhabiting small patches of old beech forest in this area. Factors affecting local survival and the species conservation are discussed.
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Phylogeography and conservation genetics of endangered saproxylic beetles in Europe
 DRAG, Lukáš
This thesis introduces the use of molecular methods for the conservation of several species of endangered saproxylic beetles in Europe. It focuses on the questions related to the DNA preservation and microsatellites development, as well as the evolutionary history and conservation of threatened species. Using the combination of mitochondrial and nuclear markers, the genetic diversity and reintroduction history of Cerambyx cerdo was assessed and the phylogeography of Rosalia alpina from the whole range of its distribution was studied. This information is valuable for designing more efficient conservation strategies.
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Contributions to the ecology of hollow dependent saproxylic beetles
 ŠEBEK, Pavel
The thesis consists of two studies contributing to knowledge about the ecology of two model saproxylic species dependent on tree hollows. It includes, firstly, an analysis of the habitat requirements of the violet click beetle, Limoniscus violaceus, and secondly, an analysis of the association of several saproxylic beetles with the presence of the hermit beetle, Osmoderma barnabita, in hollows.
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