Funding for this research was provided by:
The Second Tibetan Plateau Scientific Expedition and Research Program (2019QZKK0902)
International Science & Technology Cooperation Program of China (2018YFE0100100)
National Natural Science Foundation of China (41771539)
Strategic Priority Research Program of Chinese Academy of Sciences (XDA 20030301)
International Partnership Program of Chinese Academy of Sciences (131551KYSB20160002)
China Postdoctoral Science Foundation (2019M663792)
Scientific Research Foundation of Northwest University (360051900075)
Article History
Received: 20 July 2020
Accepted: 28 August 2020
First Online: 3 September 2020