Funding for this research was provided by:
the Key Laboratory of Bio-based Material Science & Technology (Northeast Forestry University), Ministry of Education (SWZ-MS201907)
the National Natural Science Foundation of China (51903138)
the Education Scientific Research Project of Youth Teacher in the Education Department of Fujian Province (JAT190691 and B201904)
Natural Science Foundation of Fujian Province (No. 2020J01380 and 2020J01381)
Received: 22 September 2020
Accepted: 11 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: This study is based on a survey answered by people anonymously, this declaration is not applicable.
: Not applicable.
: The authors declare that they have no competing interests.