Spatio-temporal distribution and transformation of cropland in geomorphologic regions of China during 1990-2015
Xiaoyu GAO, Weiming CHENG, Nan WANG, Qiangyi LIU, Ting MA, Yinjun CHEN, Chenghu ZHOU
Journal of Geographical Sciences . 2019, (2): 180 -196 .  DOI: 10.1007/s11442-019-1591-4