Funding for this research was provided by:
Special Fund for Agro-Scientific Research in the Public Interest of China (201503108)
Educational Commission of Hunan Province, China (17A099)
Key Laboratory of Aquatic Botany and Watershed Ecology, Chinese Academy of Sciences (Y752711s03)
Article History
Received: 15 November 2017
Accepted: 7 May 2018
First Online: 16 May 2018