Pollution characteristics and risk assessment of endocrine-disrupting chemicals in surface water of national (freshwater) aquatic germplasm resource reserves in Guangdong Province

IF 4.3 3区环境科学与生态学 Q1 CHEMISTRY, ANALYTICAL

Environmental Science: Processes & Impacts Pub Date : 2024-09-18 DOI:10.1039/d4em00425f

Tao Zhou, Jie Li, Weizhen Zhang, Yanyi Zeng, Yuan Gao, Haiyan Li, Wanling Yang, Yongzhan Mai, Qianfu Liu, Hu Caiqin, Chao Wang

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Abstract

The distribution, composition, and risk assessment of 8 EDCs in surface water of 14 national aquatic germplasm resources reserve (freshwater) were investigated during dry and wet seasons. Bisphenol A (BPA), Nonylphenol (NP), and Octylphenol (OP) were the main contributors of the 8 EDCs. The concentrations of phenolic pollutants in surface water during the dry season were higher than those in the wet season. However, no significant seasonal differences were found among the steroid hormones. According to the evaluation of estrogenic activity (EEQ > 1), E2 and EE2 were the main contributors of estrogenic activity. EDC mixtures posed a higher risk to crustaceans and fish (RQ > 1), and a moderate to high risk to algae (RQ > 0.1). Fishes were the most sensitive aquatic organisms. In the study areas, EE2, E1, BPA, NP, and E2 had higher risk than the other three compounds and should be controlled priority.

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广东省国家级（淡水）水产种质资源保护区地表水中干扰内分泌化学物质的污染特征与风险评估

研究了14个国家级水产种质资源保护区（淡水）地表水中8种EDCs在旱季和雨季的分布、组成和风险评估。双酚 A（BPA）、壬基酚（NP）和辛基酚（OP）是这 8 种 EDCs 的主要来源。旱季地表水中的酚类污染物浓度高于雨季。不过，类固醇激素没有发现明显的季节性差异。根据雌激素活性评估（EEQ > 1），E2 和 EE2 是雌激素活性的主要来源。EDC 混合物对甲壳类和鱼类的风险较高（RQ > 1），对藻类的风险为中度到高度（RQ > 0.1）。鱼类是最敏感的水生生物。在研究区域，EE2、E1、BPA、NP 和 E2 的风险高于其他三种化合物，应优先加以控制。

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来源期刊

Environmental Science: Processes & Impacts CHEMISTRY, ANALYTICAL-ENVIRONMENTAL SCIENCES

CiteScore

9.50

自引率

3.60%

发文量

202

审稿时长

1 months

期刊介绍： Environmental Science: Processes & Impacts publishes high quality papers in all areas of the environmental chemical sciences, including chemistry of the air, water, soil and sediment. We welcome studies on the environmental fate and effects of anthropogenic and naturally occurring contaminants, both chemical and microbiological, as well as related natural element cycling processes.