Funding for this research was provided by:
National Natural Science Foundation of China (31660617, 31960105, 31772453, 31970427)
the Initial Fund Key Laboratories of Guizhou Province (2011-4005)
the Joint Fund of the National Natural Science Foundation of China and the Karst Science Research Center of Guizhou province (U1812401)
Article History
Received: 6 December 2019
Revised: 15 April 2020
Accepted: 19 May 2020
First Online: 28 May 2020
Compliance with ethical standards
:
: The studies reported in this paper conformed to the laws in the countries in which they were performed. Experimental procedures were conducted in agreement with the Animal Research Ethics Committee of Hainan Provincial Education Centre for Ecology and Environment, Hainan Normal University (No. HNECEE-2011-005).
: There are no competing conflicts to declare.