PECULIARITY STEPPE COMMUNITIES WITH PARTICIPATION OF ALPINE SPECIES IN THE KHAKASIA
M.A. Polyakova, A.V. Larionov
Central Siberian Botanical Garden, SB RAS, 630090, Novosibirsk, Zolotodolinskaya str., 101
galatella@mail.ru
Keywords: степи, Хакасия, петрофитные степи, альпийские виды, плейстоценовые реликты, steppes, Khakasia, petrophytic steppes, alpine species, Pleistocene relicts
Abstract
The petrophytic steppes with participation of alpine and arctic-alpine species represent unique element of the steppe belt. The ranges of these species are dominantly related to dry high-mountainous tundra in Siberia and Central Asia but in the Khakasia they occur in steppe communities in dry stony slopes at altitudes of 300–500 m. In the article description of floristic features petrophyte steppe communities, their detailed characteristic and the structure analysis vegetation is resulted.
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