1. College of Wildlife and Protected AreaNortheast Forestry University Harbin China
2. Forestry Science and Technology Research Institute of Greater Hinggan in Inner Mongolia Yakeshi China
3. School of Ecology and Nature ConservationBeijing Forestry University Beijing China
4. School of Life SciencesLvliang Univiersity Lvliang China
5. School of Life SciencesEast China Normal University Shanghai China
6. Key Laboratory of Conservation BiologyNational Forestry and Grassland Administration Harbin China