Funding for this research was provided by:
National Natural Science Foundation of China (31700328)
Postdoctoral Research Foundation of China (2017M613194)
Natural Science Foundation of Shaanxi Province (2019JQ-369)
Open Fund of Key Laboratory of Biodiversity Science and Ecological Engineering, Ministry of Education
Article History
Received: 23 August 2019
Accepted: 30 December 2019
First Online: 21 January 2020