Changes of vegetation in the sandy desertification process of grassland in Yanchi,Ningxia

摘要：

Introduction Yanchi county,locates at the southwest fringe of Mu Us sandy land,and is an ecotone comprising sandy land through to desert steppe and to steppe.Over the recent decades,Yanchi has suffered severe sandy desertification.The distinct vegetation conditions between sandy grasslands at different desertification levels have resulted from a considerable difference in intensity of wind erosion.The objective of this study is to explore the changes of vegetation characteristics among different desertification degrees.

关键词： vegetation sandy desertification perennials therophytes psammophyte shrubs

作者: D.M.Xu K.Wang Y.Z.Xie

作者单位: Ningxia University,Yinchuan,Ningxia 750021,PR China Department of Grassland Science,College of Animal Science and Technology,China Agricultural Universi

会议类型: 国际会议

会议名称: 2008世界草地与草原大会

会议地点: 呼和浩特

会议语种:英文

在线出版日期: 2008-06-29（万方平台首次上网日期，不代表论文的发表时间）