1. State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
2. State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, China
3. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China
4. School of Science and Engineering, University of Dundee, Dundee, United Kindom
5. National Plateau Wetlands Research Center, Wetlands College, Southwest Forestry University, Yunnan Province, China
6. Institute of Plant Nutrition and Resources, Beijing Academy of Agriculture and Forestry Science, Beijing, China