Spatial pattern of grassland aboveground biomass and its environmental controls in the Eurasian steppe
Cuicui JIAO, Guirui YU, Nianpeng HE, Anna MA, Jianping GE, Zhongmin HU
Journal of Geographical Sciences . 2017, (1): 3 -22 .  DOI: 10.1007/s11442-017-1361-0