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Title: Zmiany roślinności psammostepów na wyspie Olchon (Bajkał)
Authors: Wika, Stanisław
Szczypek, Tadeusz
Kozyreva, Elena A.
Keywords: roślinności psammostepów; Olchon
Issue Date: 2011
Publisher: Wydawnictwo Uniwersytetu Śląskiego
Citation: Geographia. Studia et Dissertationes, T. 33 (2011), s. 63-78
Abstract: The general physicogeographical characteristics of Olkhon Island was presented and – on the basis of literature sources – main landscapes of this island were separated: taiga, steppe, psammosteppe on mobile sands and weakly developed forest-steppe ones. Against this background – as new – changes in psammosteppe vegetation under the tourist anthropopression in the years 1996– 2008 were presented: impoverished form of association Craniospermo-Leymetum secalini and also substitute for it community Festura rubra subsp. baicalensis-Vicia cracca. The attention was paid to withdrawal of endemic species – Craniospermum subvillosum and Astragalus sericeocanus, typical for this rare association in the area of eastern Siberia, and to slow disappearance of diagnostic species also for syngenetic groups, which are higher than association as well. It results from uncontrolled development of tourism.
ISSN: 0208-5054
Appears in Collections:Artykuły (WNP)

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