1. Institute of Applied Ecology Chinese Academy of Sciences Shenyang China
2. Appalachian Laboratory University of Maryland Center for Environmental Science Frostburg MD USA
3. National Field Research Station of Shenyang Agroecosystems Chinese Academy of Sciences Shenyang China
4. Key Laboratory of Stable Isotope Techniques and Applications Shenyang China
5. CAS Key Laboratory of Forest Ecology and Management Institute of Applied Ecology Chinese Academy of Sciences Shenyang China
6. State Key Laboratory of Urban and Regional Ecology Research Center for Eco‐environmental Sciences Chinese Academy of Sciences Beijing China
7. CAS Key Laboratory of Agro‐ecological Processes in Subtropical Region Institute of Subtropical Agriculture Chinese Academy of Sciences Changsha China