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Occurrence and distribution of phthalate esters in freshwater aquaculture fish ponds in Pearl River Delta, China(& z.star;)

文献类型： 外文期刊

作者： Cheng, Zhang 1 ; Liu, Jun-Bo 1 ; Gao, Meng 1 ; Shi, Guang-Ze 1 ; Fu, Xiao-Jiao 1 ; Cai, Peng 1 ; Lv, Yan-Feng 1 ; Guo, Zh 1 ;

作者机构： 1.Sichuan Agr Univ, Coll Environm, Chengdu 611130, Sichuan, Peoples R China

2.Guangxi Acad Fishery Sci, Nanning 530021, Peoples R China

3.Dalian Sanyi Bioengn Res Inst, Dalian 116036, Peoples R China

4.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Guangzhou, Guangdon

关键词： Phthalate esters; Pearl River Delta; Ecological risk assessment; Freshwater fish ponds; Sediment

期刊名称：ENVIRONMENTAL POLLUTION （ 影响因子：8.071； 五年影响因子：8.35 ）

ISSN： 0269-7491

年卷期： 2019 年 245 卷

页码：

收录情况： SCI

摘要： The concentrations, congener profiles and spatial distribution of 13 phthalate esters (PAEs) in the freshwater fish ponds in the Pearl River Delta (PRD) region were investigated in water and sediment samples collect from 22 sites during Jul. 2016-Sept. 2017. The di-2-ethylhexyl phthalate (DEHP) was the predominant compounds in both water and sediment samples, accounting for 70.1% and 66.1% of Sigma PAEs, respectively. The DEHP concentrations in the water samples collected from the sites of Zhongshan (35.7 mu g/L), Jingmen (17.3 mu/L) and Nanhai (14.2 mu g/L) were higher than that collected from other sampling sites (p < 0.05), and exceed the Chinese environmental quality standards for surface water (DEHP, 8.00 mu g/L). The concentrations of Sigma PAEs (mean and median were 11.8 mg/kg dw and 7.95 mg/kg dw) in sediment was higher than that in sediment of river and estuary in the PRO region (p < 0.05). The median concentrations of DEHP and di-n-butyl phthalate (DBP) exceeded recommend environmental risk limit (ERL) that posed a potential risk to the aquaculture fish pond environment in the PRD. (C) 2018 Elsevier Ltd. All rights reserved.

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