Wang, Bo
Duan, Huirong
Chong, Peifang
Su, Shiping
Shan, Lishan
Yi, Dan
Wang, Lirong
Li, Yi
Funding for this research was provided by:
the Forestry and Grassland Science and Technology Innovation Project of Gansu Province (GLC2019-418-8)
the National Natural Science Foundation of China (31700338, 31860118)
the Foundation of Qinghai Nationalities University (No. 2018XJG07)
Article History
Received: 5 March 2020
Accepted: 10 September 2020
First Online: 28 September 2020
Competing interests
: The authors declare no competing interests.