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Contemporary Problems of Ecology

2016 year, number 3

Botanical and Geographical Characteristics of the Forest-Steppe of the Altai-Sayan Mountain Region

N. I. MAKUNINA
Central Siberian Botanical Garden, SB RAS, 630090, Novosibirsk, Zolotodolinskaya str., 101
Keywords: горная лесостепь, биоклиматический сектор, Алтае-Саянская горная область, belt structure type, mountain forest-steppe, Altai-Sayan mountain region

Abstract

Four types of mountain forest-steppes were determined for the Altai-Sayan mountain region. It was shown that each type corresponded to a certain bioclimatic sector. The belt structure of each type of mountain forest-steppe was characterized. The ranges of increases in aridity were described: the primary Altaian, the primary Khakas-Tuvinian, and the secondary Khakas-Tuvinian.