Funding for this research was provided by:
Ministry of Science and Technology of the People’s Republic of China (the National Key Program (2016YFC0503200))
State Forestry Administration (a special grant)
Ministry of Education of the People’s Republic of China (the Fundamental Research Funds for the Central Universities of China)
Article History
Received: 20 June 2018
Revised: 17 September 2018
Accepted: 19 September 2018
First Online: 11 April 2019