Funding for this research was provided by:
National key research and development plan project (2016YFC0502300)
Study on spatio-temporal evolution and driving mechanism of rocky desertification in karst troughs and valleys (2016YFC0502301-1)
Graduate innovation fund project of Guizhou Normal university (YC[2018]025)
Article History
Received: 17 June 2019
Accepted: 29 May 2020
First Online: 5 June 2020
Compliance with ethical standards
:
: No potential conflict of financial and non-financial interests and finding was reported by the authors.