1. Key Laboratory of Ecosystem Network Observation and Modeling Institute of Geographic Sciences and Natural Resources Research, CAS Beijing 100101 China
2. Department of Forest Resources University of Minnesota St Paul MN 55108 USA
3. Hawkesbury Institute for the Environment Western Sydney University Locked Bag 1797 Penrith NSW 2751 Australia
4. Faculty of Natural Resources Management Lakehead University 955 Oliver Road Thunder Bay ON P7B 5E1 Canada
5. Guizhou Institute of Forest Inventory and Planning Guiyang, Guizhou 550003 China
6. Department of Microbiology & Plant Biology University of Oklahoma Norman OK 73019 USA
7. Key Laboratory of Plant–Soil Interactions Ministry of Education Key Laboratory of Plant Nutrition Ministry of Agriculture College of Resources and Environmental Sciences China Agricultural University Beijing 100193 China
8. Department of Resources and Environment University of Chinese Academy of Sciences Beijing 100049 China