1. Key Laboratory of Biotic Environment and Ecological Safety in Anhui Province, College of Life Sciences, Anhui Normal University, Wuhu, P. R. China;
2. Collaborative Innovation Center of Recovery and Reconstruction of Degraded Ecosystem in Wanjiang City Belt, Anhui Province, Wuhu, P. R. China;
3. Rural Energy & Environment Agency, Ministry of Agriculture, Beijing, P. R. China