Acknowledgments
This research was financially supported by the National Natural Science Foundation of China (32130069), the Special Project for Social Development of Yunnan Province (202103AC100001), the Major Program for Basic Research Project of Yunnan Province (202101BC070002) and the Postgraduate Research and Innovation Foundation of Yunnan University (2021Y413). We thank the Lijiang Forest Biodiversity National Observation and Research Station and the Baima Snow Mountain Complex Ecosystem Vertical Transect Field Observation and Research Station for their help during the fieldwork.