Funding for this research was provided by:
Yunnan Provincial High-Level Talents Support Program (YNWR-QNBJ-2018-393)
National Science and Technology Innovation Talent Program in Forestry and Grassland for Young Top-notch Talents (2019132615)
Article History
Received: 21 March 2020
Accepted: 25 August 2020
First Online: 16 October 2020
Compliance with ethical standards
:
: There is no conflict of interest.