The zone of alpine scrub and meadow, characterized by highlandsubpolar humid/subhumid climate, is a transitional area from deep gorges to theplateau proper.The natural zone is unique in physical environments and naturalecosystems, and could not be found at the lowlands elsewhere on the earth.Thepredominant type of vegeation is alpine meadow, including Kobresia meadow,herbaceous meadow and swampy meadow. It is an important pasturelands ofanimal husbandry for Tibetan on the plateau. Main vegetion types, animal groups,characteristics of alpine meadow soils, the altitudinal belt and the horizontalzonality of the natural zone, as well as utilization and management of the grasslandsare discussed in the present paper.
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