This research was funded by the National Natural Science Foundation of China (No. 22304048), the Natural Science Foundation of Hunan Province (No. 2023JJ40096), the Scientific Research Project of Hengyang Normal University (No. 2024QD07, No. 2022QD05), and the Foundation of Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metals Pollution in the Upper Reaches of Xiangjiang River (No. 2023HSKFJJ014).