1. Inst. of Wetland Ecology&Clone Ecology, Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou Univ. Taizhou China
2. Dept of Geography, Remote Sensing Laboratories, Univ. of Zürich Zürich Switzerland
3. Forest Dynamics, Swiss Federal Research Inst. WSL Birmensdorf Switzerland
4. Key Laboratory of Geographical Processes and Ecological Security in Changbai Mountains, Ministry of Education, School of Geographical Sciences, Northeast Normal Univ. Changchun China