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

地理学报 . 2019, (9): 1835 -1852 . DOI: 10.11821/dlxb201909010