1. Center for Yellow River Ecosystem Products Shandong University Qingdao PR China
2. Qingdao Institute of Humanities and Social Sciences Shandong University Qingdao PR China
3. Department of Environmental System Science ETH Zürich Zürich Switzerland
4. School of Environmental Science and Engineering Southern University of Science and Technology Shenzhen PR China
5. College of Urban and Environmental Sciences Peking University Beijing PR China
6. Key Laboratory for Earth Surface Processes of the Ministry of Education Peking University Beijing PR China