Carbon in Chinese grasslands : meta-analysis and theory of grazing effects - Deng, Lei (Chinese Academy of Sciences. Institute of Soil and Water Conservation) ; Shangguan, Zhouping (Chinese Academy of Sciences. Institute of Soil and Water Conservation) ; Bell, Stephen Mackenzie (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Soromotin, Andrey V. (Tyumen State University. Research Institute of Ecology and Natural Resources Management) ; Peng, Changhui (Université du Québec à Montréal. Département des Sciences Biologiques) ; An, Shaoshan (Chinese Academy of Sciences. Institute of Soil and Water Conservation) ; Wu, Xing (Chinese Academy of Sciences. Research Center for Eco-Environmental Sciences) ; Xu, Xingliang (Chinese Academy of Sciences. Institute of Geographic Sciences and Natural Resources Research) ; Wang, Kaibo (Chinese Academy of Sciences. Institute of Earth Environment) ; Li, Jianping (Ningxia University) ; Tang, Zhuangsheng (Gansu Agricultural University) ; Yan, Weiming (Chinese Academy of Sciences. Institute of Soil and Water Conservation) ; Zhang, Fengbao (Chinese Academy of Sciences. Institute of Soil and Water Conservation) ; Li, Jiwei (Chinese Academy of Sciences. Institute of Soil and Water Conservation) ; Wu, Jianzhao (Northwest A&F University. Institute of Soil and Water Conservation) ; Kuzyakov, Yakov (Peoples Friendship University of Russia)