Vestnik of Orenburg State Pedagogical University. Electronic Scientific Journal.2016. № 3(19). P. 14—22
03.00.00 BIOLOGICAL SCIENCES
UDC 58.006:582.594.2 (470.55)
Lesina Svetlana Adamovna, Candidate of Biological Sciences, Research Fellow
Ilmen State Reserve
BIOLOGICAL DIVERSITY AND DISTRIBUTION OF ORCHIDACEAE SPECIES IN ILMEN NATURE RESERVE
Abstract
The article analyzes the taxonomic composition, the geographical distribution, ecological groups in accordance with the humidity factor, life forms and cenotic relations of Orchidaceae species in Ilmen nature reserve. Most of Orchidaceae are Eurasian and Holarctic boreal — nemoral species, with tuberoid vegetative annual plants and mesophytes predominating. The Orchidaceae of the nature reserve are mainly forest plants, they are not active species. Frequency of occurrence of Orchidaceae in the reserve depends on their cenotic features.
Key words
Orchidaceae, distribution of species, rare species, Ilmen nature reserve, phytocoenotic characteristic.
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