EN中文
Spatial-temporal Changes in Ecological Risk of Land Use before and after Grain-for-Green Policy in Zhengning County, Gansu Province
SHEN Jianxiu, WANG Xiuhong
Journal of Resources and Ecology . 2013, (1): 36 -42 .  DOI: 10.5814/j.issn.1674-764x.2013.01.005