1. College of Water Sciences Beijing Normal University Beijing China
2. Plants and Ecosystems, Department of Biology University of Antwerp Antwerp Belgium
3. Institute of Highland Forest Science Chinese Academy of Forestry Kunming China
4. Pu'er Forest Ecosystem Research Station National Forestry and Grassland Administration of China Pu'er China
5. Research Institute of Agriculture and Life Sciences Seoul National University Seoul South Korea
6. Department of Physical Geography and Ecosystem Science Lund University Lund Sweden
7. Terrestrial Ecology Section, Department of Biology University of Copenhagen Copenhagen Ø Denmark
8. Centre for Permafrost (CENPERM) University of Copenhagen Copenhagen K Denmark
9. Earth Systems Research Center, Institute for the Study of Earth, Oceans and Space University of New Hampshire Durham New Hampshire USA