Funding for this research was provided by:
State Key Laboratory of Earth Surface Processes and Resources Ecology (2017-KF-13)
the Ministry of Science and Technology of China (2017YFC1501403)
National Natural Science Foundation of China (41575143)
Fundamental Research Funds for the Central Universities
Article History
Received: 26 September 2017
Accepted: 2 March 2018
First Online: 19 March 2018