Funding for this research was provided by:
National Natural Science Foundation of China (41730641)
Heilongjiang Touyan Innovation Team Program for Forest Ecology and Conservation from Heilongjiang province, P. R. China (Heilongjiang Touyan Innovation Team Program for Forest Ecology and Conservation from Heilongjiang province, P. R. China)
Article History
Received: 30 January 2021
Accepted: 24 June 2021
First Online: 15 July 2021
Declarations
:
: The authors declare no competing financial interest.