Global distribution and changes of leaf-level intrinsic water use efficiency and their responses to water stress

X Xiang Wang Z Zheng Fu P Philippe Ciais L Lixin Wang (Department of Chemistry) N Nina Buchmann (Grassland Sciences, Institute of Agricultural Sciences, ETH Zurich) T Trevor F. Keenan (Department of Environmental Science, Policy and Management, University of California Berkeley) M Martin De Kauwe J Josep Peñuelas G Guo Chen (Key Laboratory of Materials Physics) X Xiaoying Gong J Jingfeng Xiao X Xing Li (Interdisciplinary Science Center, State Key Laboratory of Animal Biodiversity Conservation and Integrated Pest Management, Institute of Zoology) Q Qiaoyun Xie P Paul C. Stoy D David Makowski W William K. Smith H Han Wang S Songhan Wang F Fangyue Zhang S Shuli Niu (Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences)