Funding for this research was provided by:
National Natural Science Foundation of China (41701558)
first class subject foundatio (QYNYL[2017]0013)
Guizhou Science and Technology Department (LH [2017]7290)
Science and Technology Funding of Water Resources Department of Guizhou Province (KT201707)
Article History
Received: 4 December 2018
Accepted: 25 June 2019
First Online: 9 July 2019
Compliance with ethical standards
:
: The authors declare no conflict of interest.