农牧交错地区生态环境建设与相关政策研究 = The development of optimal environmental economy and policy studies in the agriculture and pasture area

• 主要作者: 李忠 Li, Zhong
• 其他作者: Cao, Yong
• 格式: Theses and Dissertations
• 語言: Chinese
• 出版: 2008
• 主題: DRNTU::Business::General::Economic and business aspects
• 在線閱讀: http://hdl.handle.net/10356/7526

This study aims to analysis the causes of desert expansion in the areas of mixed agriculture and pasture.