Funding for this research was provided by:
Special Fund for Forest Scientific Research in the Public Welfare from State Forestry Administration of China (201504106)
Sub-Project of National Science and Technology Support Plan of the Twelfth Five-Year in China (2015BAD04B01 and 2015BAD04B03)
Text and Data Mining valid from 2019-02-05
Received: 22 October 2018
Accepted: 24 January 2019
First Online: 5 February 2019
Compliance with ethical standards
: All authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.