Yang, Yuguo
Yang, Ying
Geng, Yuqing
Huang, Guilin
Cui, Xueqing
Hou, Meng
Funding for this research was provided by:
the agency for Monitoring and Evaluation of Ecosystem Services in Qinghai Province, China (2013-N-556)
Article History
Received: 3 July 2017
Accepted: 2 February 2018
First Online: 15 February 2018
Compliance with Ethical Standards
:
: The authors have no competing interests to declare.