1 State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
2 State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China. Electronic address: bfu@rcees.ac.cn.
3 CSIRO Land & Water, Canberra ACT 2601, Australia.
4 Department of Ecology, University of Alicante, Carretera de San Vicente del Raspeig, Alicante 03690, Spain; Multidisciplinary Institute for Environment Studies "Ramon Margalef", University of Alicante, Carretera de San Vicente del Raspeig, Alicante 03690, Spain.