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Contemporary Problems of Ecology

2014 year, number 2

Structure of Plant Communities and Cenopopulations of Astragalus Sericeocanus Gontsch. on the Shore of Lake Baikal

V. SANDANOV1, I. Yu. SELYUTINA2, N. A. DULEPOVA2
1Institute of General and Experimental Biology SB RAS, 670047, Ulan-Ude, Sakhyanovoi str., 6
2Central Siberian Botanical Garden SB RAS, 630090 Novosibirsk, Zolotodolinskaya str., 101
Keywords: Astragalus sericeocanus, rare species, local endemic plant, sand-shifting plant communities, structure of cenopopulations

Abstract

Plant communities that included Astragalus sericeocanus were studied. The data on ontogenetic structure, quantity of cenopopulations and seed productivity of individuals were given. It was also revealed that the habitats on the northern shore of Lake Baikal are characterized by high phytocoenotic diversity with codominating and dominating of A. sericeocanus . The state of cenopopulations and parameters of seed productivity showed that northern habitats have considerably favourable climatic conditions which are optimal for the growth of the studied species.