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Evaluating the spatial distribution and source of phthalate esters in the surface water of Xingkai Lake, China during summer

文献类型： 外文期刊

作者： Yang, Qian 1 ; Huang, Xiaoli 2 ; Wen, Zhidan 3 ; Shang, Yingxin 3 ; Wang, Xiaodi 4 ; Fang, Chong 3 ; Song, Kaishan 3 ;

作者机构： 1.Jilin Jianzhu Univ, Changchun 130118, Peoples R China

2.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Harbin 150070, Peoples R China

3.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Changchun 130102, Peoples R China

4.Harbin Univ, Harbin 150086, Peoples R China

关键词： Phthalate esters; Source; Agricultural production; Lake; Endocrine disrupters

期刊名称：JOURNAL OF GREAT LAKES RESEARCH （ 影响因子：1.933； 五年影响因子：2.667 ）

ISSN： 0380-1330

年卷期： 2021 年 47 卷 2 期

页码：

收录情况： SCI

摘要： Increasing production and usage of phthalate esters (PAEs) has made them ubiquitous in the environment. In this study, the distribution and source of PAEs in the surface water of Xingkai Lake, China were analyzed. The concentration of Sigma PAEs in the water of Xingkai Lake ranged from 0.26 to 3.83 mu g/L, with a median of 1.28 mu g/L. It was observed that the difference in the concentration of Sigma PAEs between the small and large Xingkai Lakes is not significant (p > 0.05). Agriculturally dominated land use types in the Xingkai Lake watershed may be mainly responsible for the occurrence of PAEs in this Lake. The distribution of butyl benzyl phthalate (BBP) in small and large Xingkai Lakes showed a significant difference (p < 0.05) which may be related to anthropogenic activities. Sigma PAEs in the water of Xingkai Lake demon-strated significant positive correlations with the ratio of total nitrogen (TN) to concentration of TP (r(p) = 0.697, p < 0.01) and the concentration of suspended particulate organic matter (SPOM) (r(p) = 0.345, p < 0.05). These results further indicate that the concentration of nutrients from agricultural activity had an impact on the concentrations of PAE in the lakes. Furthermore, the more SPOM would lead to more suspension of PAEs in the water phase. The source analysis of PAEs showed that high molecular weight PAEs were dominant in the Xingkai Lake which may be arising from the combustion of plastics or from building materials and household furnishing. (C) 2021 International Association for Great Lakes Research. Published by Elsevier B.V. All rights reserved.

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