Funding for this research was provided by:
“Grassland Elite” project of the Inner Mongolia Autonomous Region, China (CYYC 2012024)
Postgraduate Education Innovation Program Funding Projects of Inner Mongolia Autonomous Region, China (B2018111931Z)
Western China Project of National Social Science Found of China (20XZS031)
Received: 10 December 2020
Accepted: 25 February 2021
First Online: 25 May 2021
: All participants in this study provided permissions. The authors have all copyrights.
: Not applicable.
: The authors declare that they have no competing interests.