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8 2000-2010年和2010-2013年陕北地区退耕区域内部的土壤侵蚀模数变化

Fig. 8 Comparison of variations of soil erosion modulus in areas of "Grain for Green" of northern Shaanxi during 2000-2010 and during 2010-2013