Piętra roślinne dorzecza Sugnugurin-goł

Abstract

Altitudinal zonality of vegetation in Chentej is of boreal type (Sayan variant) (Yunatov, 1950). Its particular feature are well developed forests and mountain taiga in medium — mountain zones and mountain tundra in high — mountain zones. Following vegetation zones are distinguished in the Sugnugurin-gol Basin (fig. 1): 1. steppe zone below 1100 (1150) m 2. forest-steppe zone (mountain steppe and forest zone), 1100—1400 (1450) m 3. mountain taiga zone, 1400 (1450)—2000 (2100)m a. mountain taiga with Larix sibirica and Pinus sibirica subzone, 1400 (1450)—1650 m b. mountain taiga with Pinus sibirica subzone, 1650—2000 (2100) m 4. high — mountain zone over 2000 (2100) m a. subgoltsy subzone, 2000 (2100)—2200 (2300) m b. goltsy subzone, 2200 (2300)—2500 (2600) m c. subnival subzone — over 2500 m