Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
Add to Favorite Get Latest Update

Cultivation and Desertification of Korqin.

Wulan tuya\ Bao Yuhai\ Xiang Bao (Institute of Geography Research, Chinese Academy of Science, Beijing 100101)  
Unreasonable cultivation is the major cause of desertification in north China and 45% of degenerated land in China. In the past, cultivation mainly led to activation of Korqin sandy land several times. Since human history, the above theory is proved, based on the alternation of environmental features in activation and stability, cultivation and non-cultivation period in Korqin.
【Fund】: 内蒙古师范大学青年科学基金
【CateGory Index】: S812
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved