Desertification in north China: Background, anthropogenic impacts and failures in combating it

被引:85
作者
Chen, Y
Tang, H
机构
[1] Beijing Normal Univ, Coll Resources Sci & Technol, Key Lab Environm Change & Nat Disaster, Minist Educ, Beijing 100875, Peoples R China
[2] Chinese Acad Sci, Inst Geog Sci & Nat Resource Res, Beijing 100101, Peoples R China
关键词
desertification; combating desertification; land degradation; water deficiency; sustainability; north China;
D O I
10.1002/ldr.667
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Desertification in north China is ongoing despite the endeavours to mitigate it over the past 50 years. Overall examination of the context of desertification and defects of desertification-combating programmes is a prerequisite for desertification control, which is now attracting general concern in China. The physiographic circumstances of north China, including the dry, continental, mid-latitude climate, easily erodible soil surface and water shortage, provide the background to desertification. Climatic aridity and the evolution of land use and land management in recent decades have produced great stress on the land. The ineffectiveness of anti-desertification measures ascribed to inadequate scientific involvement in decision-making, neglect of the human dimension and the lack of a well-organized desertification monitoring system are discussed in this paper. Copyright (c) 2005 John Wiley & Sons, Ltd.
引用
收藏
页码:367 / 376
页数:10
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