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作 者 ：李师翁  薛林贵  冯虎元  徐世健  安黎哲

期 刊 ：西北植物学报 2006年 4期

关键词：黄土高原；草地；植被类型；陇东；

Keywords:Loess Plateau, meadow, vegetation type, east Gansu Province,

摘 要 ：陇东(庆阳)黄土高原天然草地植被可划分为草甸草原区和典型草原区2个植被区域,包括温性疏灌草丛、草甸草原和典型草原3个植被型14个群系,分别是:酸枣-杠柳-蒿类温性灌草丛、蕤核-红花锦鸡儿-蒿类温性灌草丛、杠柳-蕤核-蒿类-白羊草温性灌草丛、酸枣-蒿类-白羊草温性灌草丛、酸枣-河蒴荛花-白羊草温性灌草丛、白草- 鹅观草-达乌里胡枝子-蒿类暖性灌草丛、白羊草草原、白草草原、赖草草原、蒿类-白羊草草甸草原、长芒草草原、百里香草原、铁杆蒿-茭蒿草原、毛沙芦草草原。

Abstract:Natural grassland vegetations in the Loess Plateau lying in eastern Gansu Province can fall into two vegetation areas,meadow steppe and typical steppe regions and include 14 formations and 3 vegetation types. The three vegetation types are temperate hasso

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