The Patterns of Plant Community Distribution in the South-East Altai
Abstract
The South-East Altai is the northern outpost of arid regions of Central Asia. It encompasses the Chuya depression (1800–2100 m), surrounding mountain ranges (2800–4000 m), mountain plateaus (2900–3200 m) and highland depressions (2200– 2400 m). Eight types of altitudinal plant communities create the base of the plant cover pattern; each has its own specific set of active species. The altitudinal belt series is shown to include two belts: the steppe (1800–2400 m) and alpine belts (2400–2800 m). The belts are composed of lower and upper subbelts. The upper steppe subbelt has two variants, corresponding to relief peculiarities; two variants of the lower alpine subbelt are limited geographically.
Keywords: species activity, altitudinal belt series, steppe belt, alpine belt, Southeast Altai
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