ACKNOWLEGEMENTS
This study was supported by the National Natural Science Foundation of
China (no. 31901109; no. 31901220), GDAS’ Project of Science and
Technology Development (2019GDASYL-0105044; 2021GDASYL-20210103056),
GDAS Special Project of Science and Technology Development
(2018GDASCX-0107). We gratitude to the Forestry Department of Tibet
Autonomous Region and Cuona Forestry Bureau for the permits to conduct
the researches. We thank Wen Sun for helping us collect data from the
field, and we also thank Jianchao Liang for his advice on collecting
environmental data.