陕北地区退耕还林还草工程土壤保护效应的时空特征 |
刘文超,刘纪远,匡文慧 |
Spatiotemporal patterns of soil protection effect of the Grain for Green Project in northern Shaanxi |
LIU Wenchao,LIU Jiyuan,KUANG Wenhui |
图9 2000-2010年和2010-2013年陕北地区土壤侵蚀模数变化 |
Fig. 9 Changes of soil erosion modulus in northern Shaanxi during 2000-2010 and 2010-2013 |
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