1. College of Resources and Environment Science, Southwest Univ., Chongqing 400715, People’s Republic of China; Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing 400715, People’s Republic of China; formerly, Ph.D. Student, Key Laboratory of Subtropical Agriculture and Environment of Ministry of Agriculture, Huazhong Agricultural Univ., Wuhan 430070, People’s Republic of China.
2. Associate Professor, Key Laboratory of Subtropical Agriculture and Environment of Ministry of Agriculture, Huazhong Agricultural Univ., Wuhan 430070, People’s Republic of China.
3. Professor, Key Laboratory of Subtropical Agriculture and Environment of Ministry of Agriculture, Huazhong Agricultural Univ., Wuhan 430070, People’s Republic of China (corresponding author).
4. Professor, Key Laboratory of Subtropical Agriculture and Environment of Ministry of Agriculture, Huazhong Agricultural Univ., Wuhan 430070, People’s Republic of China.
5. College of Environmental Science and Engineering, Guilin Univ. of Technology, Guilin 541004, People's Republic of China; formerly, Key Laboratory of Subtropical Agriculture and Environment of Ministry of Agriculture, Huazhong Agricultural Univ., Wuhan 430070, People’s Republic of China.
6. Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, Hunan, People’s Republic of China; formerly, Ph.D. Student, Key Laboratory of Subtropical Agriculture and Environment of Ministry of Agriculture, Huazhong Agricultural Univ., Wuhan 430070, People’s Republic of China.