Степная флора Катунского заповедника (Центральный Алтай) УДК 502.72+581.9(235.222)

Аннотация

Based on collections and observations made by the author in 1987 and 1997 on the southern slope of the Katunskiy mountain range a description of steppe vegetation and a list of spesies of the steppen flora of the Katunskiy nature reserve is given. The diversity of the steppen ecosystems of the reserve embraces herbbunchgrass sedge mcdow steppes and herb bunchgrass steppes, particularly herb feather-grass steppes, as wellas their stony and schrub varietys. There are presented also the ecosystems of rocks, screes, and schrubs of thescrees on the adrets, which contain a lot of steppen species. The desert steppes are absent in the Katunskiyreserve. At present the synopsis of species of steppen ecosystems of the Katunskiy reserve contains 177species of vascular plants. Among them there is one species collected in the Altai Republic for the first time - Petrorhagia alpina. 4 rare species of the investigated flora are included in the Red Data Book of the Altai Republic. They are Stipa pennata, Rheum compactum var. altaicum, Paeonia hybrida and Sibiraea altaiensis.