1 College of Resources and Environmental Sciences, Hunan Normal University, Changsha 410081, China.
2 State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China.
3 Guangdong Province Key Laboratory for Coastal Ocean Variation and Disaster Prediction, College of Ocean and Meteorology, Guangdong Ocean University, Zhanjiang 524088, China.
4 Jiangxi Provincial Key Laboratory of Silviculture, College of Forestry, Jiangxi Agricultural University, Nanchang 330045, China.
5 College of Resources and Environmental Sciences, Hunan Normal University, Changsha 410081, China; raozhg@hunnu.edu.cn.