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National Repository of Grey Literature 13 records found  previous11 - 13  jump to record: Search took 0.01 seconds. 
The morphology and activity of selected avalanche paths in the Hrubý Jeseník Mts. and the Králický Sněžník Mts.
 Krause, David ; Křížek, Marek (advisor) ; Létal, Aleš (referee)
The occurrence of avalanche paths is usually frequent in alpine environment, but it is also present in mid-mountains such as the High Sudetes. The submitted master thesis is focused on avalanche paths in the Eastern High Sudetes. The morphometric analysis of 8 paths was accomplished to determine their characteristics and comparison with statistical verification. The dendrogeomorphological analysis and further geomorphological mapping was performed in 2 selected paths (Sněžná kotlina and Králický Sněžník) to cover their avalanche activity frequency and to find relationship between their activity and morphology. The results of this study show that there is a strong difference between two groups of avalanche paths in the Eastern High Sudetes. The Sněžná kotlina and The Králický Sněžník avalanche paths are longer and narrower than the other paths. They also have higher elevation difference. The comparison of these two paths performed by dendrogeomorphology indicates higher avalanche activity frequency in the Sněžná kotlina path, which was strengthened after strong avalanche event in 2004. It is assumed that the Sněžná kotlina path contains advanced avalanche landform, which is a long gully, probably also affected by debris- flows in the past. On the other hand the Králický Sněžník path is rather less...
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Vliv vegetační stupňovitosti na složení taxocenóz modelové skupiny pisivek (Insecta: Psocoptera) v oblasti Králického Sněžníku
 Gol, Jiří
The species of Psocoptera order were studied in selected vegetation zones in the Kralicky Sneznik Mountains on the total are of 19 plots. Localities are situated from the zonal 4th (Fageta s.lat.) to 9th (Pineta mugi s.lat.) vegetation zone and the collection of the Psocoptera species was carried out during the growing seasons of 2010 - 2013. In the interest area were caught a total number of 3352 Psocoptera imagoes. On the whole 21 of species was discovered, which is 16,4 % of total known Psocoptera species in the Czech Republic. From the 4th to 9th vegetation zone (VZ), for trees and forest types were dominance of species evaluated. In the 5th VZ was characteristic species combination Caecilius despaxi -- C. flavidus -- Enderleinella obsoleta discovered. In the 6th VZ Caecilius burmeisteri -- C. despaxi -- C. flavidus. In the 7th VZ Caecilius despaxi -- C. piceus -- Philotarsus picicornis -- Stenopsocus lachlani and in the 8th VZ was discovered charakteristic species combination Amphigerontia bifasciata -- Caecilius despaxi -- Philotarsus picicornis -- Stenopsocus lachlani.
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Struktura taxocenóz modelové skupiny pisivek (Insecta: Psocoptera) v lesních geobiocenózách v oblasti Králičkého Sněžníku
 Gol, Jiří
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National Repository of Grey Literature : 13 records found   previous11 - 13  jump to record:
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