The lingering menace: How legacy organochlorine pesticides still threaten our rivers and food chains
The bioaccumulation of organochlorine pesticides (OCPs) in aquatic organisms has been extensively explored in recent years due to associated ecological risks and potential threats to human health through food. This study aims to assess the bioaccumulation of organochlorine pesticides (OCPs) in 18 fr...
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| Language: | English |
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Elsevier
2025-01-01
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| Series: | Ecotoxicology and Environmental Safety |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0147651324014982 |
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| author | Wenping Xie Guangjun Wang Ermeng Yu Jun Xie Wangbao Gong Zhifei Li Kai Zhang Yun Xia Jingjing Tian Hongyan Li |
| author_facet | Wenping Xie Guangjun Wang Ermeng Yu Jun Xie Wangbao Gong Zhifei Li Kai Zhang Yun Xia Jingjing Tian Hongyan Li |
| author_sort | Wenping Xie |
| collection | DOAJ |
| description | The bioaccumulation of organochlorine pesticides (OCPs) in aquatic organisms has been extensively explored in recent years due to associated ecological risks and potential threats to human health through food. This study aims to assess the bioaccumulation of organochlorine pesticides (OCPs) in 18 freshwater fish species from the Pearl River Delta, China. The observed OCP concentrations ranged from 0.69 to 43.15 ng/g wet weight, indicating low to moderate pollution levels. A linear mixed-effects model revealed the contribution of the feeding habits and geographic distributions at 58.67 and 0.67 % of OCP accumulation, respectively. Bottom-dwelling carnivorous fish species exhibited greater OCP residue levels than those in the upper layers of the freshwater. Estuarine organisms showed higher Dichlorodiphenyltrichloroethane (DDT) residue levels than those inland species. On the other hand, although there were no direct carcinogenic or exposure risks associated with OCPs in the study area, potential related hazards were observed. Consumers are, therefore, advised to select fish species from the middle and upper delta rather than bottom fish, shellfish, and shrimp. The current research provides valuable guidance for aquatic food consumption. |
| format | Article |
| id | doaj-art-29db68972a2b4ae691e40ca8e7189b87 |
| institution | Kabale University |
| issn | 0147-6513 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Ecotoxicology and Environmental Safety |
| spelling | doaj-art-29db68972a2b4ae691e40ca8e7189b872025-01-23T05:25:28ZengElsevierEcotoxicology and Environmental Safety0147-65132025-01-01289117422The lingering menace: How legacy organochlorine pesticides still threaten our rivers and food chainsWenping Xie0Guangjun Wang1Ermeng Yu2Jun Xie3Wangbao Gong4Zhifei Li5Kai Zhang6Yun Xia7Jingjing Tian8Hongyan Li9Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation of Ministry of Agriculture and Rural affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, PR ChinaKey Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation of Ministry of Agriculture and Rural affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, PR ChinaKey Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation of Ministry of Agriculture and Rural affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, PR ChinaCorresponding author.; Key Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation of Ministry of Agriculture and Rural affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, PR ChinaKey Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation of Ministry of Agriculture and Rural affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, PR ChinaKey Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation of Ministry of Agriculture and Rural affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, PR ChinaKey Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation of Ministry of Agriculture and Rural affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, PR ChinaKey Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation of Ministry of Agriculture and Rural affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, PR ChinaKey Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation of Ministry of Agriculture and Rural affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, PR ChinaKey Laboratory of Tropical and Subtropical Fishery Resource Application and Cultivation of Ministry of Agriculture and Rural affairs, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong, PR ChinaThe bioaccumulation of organochlorine pesticides (OCPs) in aquatic organisms has been extensively explored in recent years due to associated ecological risks and potential threats to human health through food. This study aims to assess the bioaccumulation of organochlorine pesticides (OCPs) in 18 freshwater fish species from the Pearl River Delta, China. The observed OCP concentrations ranged from 0.69 to 43.15 ng/g wet weight, indicating low to moderate pollution levels. A linear mixed-effects model revealed the contribution of the feeding habits and geographic distributions at 58.67 and 0.67 % of OCP accumulation, respectively. Bottom-dwelling carnivorous fish species exhibited greater OCP residue levels than those in the upper layers of the freshwater. Estuarine organisms showed higher Dichlorodiphenyltrichloroethane (DDT) residue levels than those inland species. On the other hand, although there were no direct carcinogenic or exposure risks associated with OCPs in the study area, potential related hazards were observed. Consumers are, therefore, advised to select fish species from the middle and upper delta rather than bottom fish, shellfish, and shrimp. The current research provides valuable guidance for aquatic food consumption.http://www.sciencedirect.com/science/article/pii/S0147651324014982Pearl River DeltaAquatic organismsBioaccumulationEdible health risk |
| spellingShingle | Wenping Xie Guangjun Wang Ermeng Yu Jun Xie Wangbao Gong Zhifei Li Kai Zhang Yun Xia Jingjing Tian Hongyan Li The lingering menace: How legacy organochlorine pesticides still threaten our rivers and food chains Ecotoxicology and Environmental Safety Pearl River Delta Aquatic organisms Bioaccumulation Edible health risk |
| title | The lingering menace: How legacy organochlorine pesticides still threaten our rivers and food chains |
| title_full | The lingering menace: How legacy organochlorine pesticides still threaten our rivers and food chains |
| title_fullStr | The lingering menace: How legacy organochlorine pesticides still threaten our rivers and food chains |
| title_full_unstemmed | The lingering menace: How legacy organochlorine pesticides still threaten our rivers and food chains |
| title_short | The lingering menace: How legacy organochlorine pesticides still threaten our rivers and food chains |
| title_sort | lingering menace how legacy organochlorine pesticides still threaten our rivers and food chains |
| topic | Pearl River Delta Aquatic organisms Bioaccumulation Edible health risk |
| url | http://www.sciencedirect.com/science/article/pii/S0147651324014982 |
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