Indicators and characteristics of degenerated grassland in China

摘要：

Introduction There are more than 400 million hm2 of grasslands in China,and more than 80％ are in various degrees of degradation.Degredation of China.s grassland ecosystem contributes to productivity constraints.Grassland degradation is the deterioration of structural characteristics,material recycling,energy flow and other characteristics of grassland ecosystems,that is,the biological communityand the physical environment required for their survival.

关键词： grassland degradation index of degeneration degradation hazards

作者: Li Feng-xia Gao Ting Zhu Jian-ning

作者单位: Resource and Environment Institute of Ningxia,Academy of Agriculture and Forestry Science,Yinchuan 750002,China

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）