首页 | 本学科首页   官方微博 | 高级检索  
     检索      

DESERTIFICATION IN CHINA: STATUS, TRENDS, AND STRATEGIES
作者姓名:Zhu Zhen  Cui Shuhong
作者单位:Insttute of Geography,CAS,Beijing 100101
摘    要:boncati0uofDcsendcahoninchhaboenificationisoneofthem0stseriotisenvirorunedlissuesoneafth.TheInteInaonalConedontoC0mbatbeeftifiCationswtinforberl994addressed4]thadeSenificationislandhardation,resultingfromvariousfaders,indudingdiInaticvariationsandhuInana…


DESERTIFICATION IN CHINA: STATUS, TRENDS, AND STRATEGIES
Zhu Zhen,Cui Shuhong.DESERTIFICATION IN CHINA: STATUS, TRENDS, AND STRATEGIES[J].Journal of Geographical Sciences,1995(3).
Authors:Zhu Zhend  Cui Shuhong
Abstract:Based on defition of desertification in Intematonal Convention toCombat Desertfication. and on China's situation, desenification is found notonly In and and senuand ropons but also in huAnd and subhunud ropons. InChina the desertified land area has already reached 1,1 17,000kin2, or 11.6percen of China's total land area. Of which 33.2 percent is caused by winderosion, 33.8 percen by water erosion and 33.0 percen by physical andchemical actions. Besides- another 535,000 kin2 of land is susceptible to wind erosion, 875,000 km2 to water erosion and 173,000 km2 to saliruzation.Land desertification in China is the result Of over growth of populahon and irrational human aCtivities, such as abuse of water res ou rces, overculti vati on'overgrazlng. deforestaion, vopation destruCtion and envirormental polluton caused by industry and nurung under fragile ecological conditions.In recat decades, reverse tronds have occurred in mpons under proper conrol.However. on the Whole it has beenexpanding. For instance, sandy desertification develops at an annual rate of 1.39 percen in agropastoral ropons in Northem China. This paper is supposed to evaluate the curren conrol measures and practices of desertification- in ligh of the distributon characteristics and developmedl trend of land desertification in China.
Keywords:China  desertification  status  strategies  trends  control measures
本文献已被 CNKI 等数据库收录!
点击此处可从《地理学报(英文版)》浏览原始摘要信息
点击此处可从《地理学报(英文版)》下载免费的PDF全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号