Sudmoon, R., Chaveerach, A., Thamsenanupap, P., Pumipuntu, N., Khowhit, S., Thipparut, S., Nattaprasert, S., Cheng, W., Tanee, T. (2024). Assessment of Lead and Cadmium Contamination in Water Resources of Northeastern Thailand and Its Implications for Ecological Risk Evaluation. Egyptian Journal of Aquatic Biology and Fisheries, 28(4), 783-798. doi: 10.21608/ejabf.2024.369525
Runglawan Sudmoon; Arunrat Chaveerach; Penkhae Thamsenanupap; Natapol Pumipuntu; Satienpong Khowhit; Sakuna Thipparut; Suchartwat Nattaprasert; Wan Hee Cheng; Tawatchai Tanee. "Assessment of Lead and Cadmium Contamination in Water Resources of Northeastern Thailand and Its Implications for Ecological Risk Evaluation". Egyptian Journal of Aquatic Biology and Fisheries, 28, 4, 2024, 783-798. doi: 10.21608/ejabf.2024.369525
Sudmoon, R., Chaveerach, A., Thamsenanupap, P., Pumipuntu, N., Khowhit, S., Thipparut, S., Nattaprasert, S., Cheng, W., Tanee, T. (2024). 'Assessment of Lead and Cadmium Contamination in Water Resources of Northeastern Thailand and Its Implications for Ecological Risk Evaluation', Egyptian Journal of Aquatic Biology and Fisheries, 28(4), pp. 783-798. doi: 10.21608/ejabf.2024.369525
Sudmoon, R., Chaveerach, A., Thamsenanupap, P., Pumipuntu, N., Khowhit, S., Thipparut, S., Nattaprasert, S., Cheng, W., Tanee, T. Assessment of Lead and Cadmium Contamination in Water Resources of Northeastern Thailand and Its Implications for Ecological Risk Evaluation. Egyptian Journal of Aquatic Biology and Fisheries, 2024; 28(4): 783-798. doi: 10.21608/ejabf.2024.369525
Assessment of Lead and Cadmium Contamination in Water Resources of Northeastern Thailand and Its Implications for Ecological Risk Evaluation
1Faculty of Law, Khon Kaen University, Khon Kaen 40002, Thailand
2Department of Biology, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
3Faculty of Environmental and Resource Studies, Mahasarakham University, Maha Sarakham, Thailand One Health Research Unit, Mahasarakham University, Maha Sarakham 44000, Thailand
4One Health Research Unit, Mahasarakham University, Maha Sarakham 44000, Thailand Faculty of Veterinary Sciences, Mahasarakham University, Maha Sarakham 44000, Thailand
5Faculty of Environmental and Resource Studies, Mahasarakham University, Maha Sarakham, Thailand
6Faculty of Health and Life Sciences, INTI International University, Negeri Sembilan, Malaysia
Abstract
The accumulation of heavy metals in the environment can adversely impact both the food chain and human health. This research investigated cadmium and lead accumulation in water, sediment, and fish in Huai Kho Reservoir, Northeastern Thailand, with samples collected during both the rainy and dry seasons. Moreover, the bioconcentration factor (BCF), potential ecological risk index (PERI), and tolerable daily intake (TDI) were evaluated. Cadmium and lead levels in water and sediment exceeded the standard limits. Cadmium levels ranged from 0.02 to 0.06mg/ L and 0.31 to 0.42mg/ L, respectively, while lead levels ranged from 0.08 to 1.13mg/ kg and 3.63 to 15.28mg/ kg, respectively. Lead exceeded the limits in 18 fish species, while cadmium exceeded them in some species. In both the rainy and dry seasons, cadmium levels peaked in muscle, while lead was at its highest in the digestive tract. The BCF for lead was higher than that for cadmium, although no significant seasonal differences were observed in the accumulation. Even though the TDI assessment didn't exceed standard guidelines, the PERI indicated a high-risk level, emphasizing the need for legal measures regulating the use of heavy metal-containing substances.
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