1. Key Laboratory of Ecosystem Network Observation and Modeling Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing PR China
2. National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources Key Laboratory of Agricultural Environment in Universities of Shandong College of Resources and Environment Shandong Agricultural University Taian PR China
3. Center for Ecosystem Science and Society Northern Arizona University Flagstaff AZ USA
4. College of Resources and Environment University of Chinese Academy of Sciences Beijing PR China