1. Key Laboratory of Sustainable Forest Ecosystem Management‐Ministry of Education, School of Forestry Northeast Forestry University Harbin PR China
2. School of Civil Engineering, Institute of Cold Regions Science and Engineering, and Ministry of Education Observation and Research Station of Permafrost Geo‐environment System in Northeast China Northeast Forestry University Harbin PR China
3. Da‐Xing'anling Observatory and Research Station of Permafrost Engineering and Environment and State Key Laboratory of Frozen Soils Engineering, Northwest Institute of Eco‐Environment and Resources Chinese Academy of Sciences Lanzhou PR China
4. College of Resources and Environment University of Chinese Academy of Sciences Beijing PR China
5. School of Earth Science and Spatial Information Engineering, Hunan University of Science and Technology Xiangtan PR China
6. China Forest Ecological Research Network Station at the Headwater Area of Nenjiang River at Nanwenghe Institute of Agriculture and Forestry Jagdaqi PR China