Microplastics in oysters &ITSaccostrea cucullata&IT along the Pearl River Estuary, China

文献类型： 外文期刊

第一作者： Li, Heng-Xiang

作者： Li, Heng-Xiang;Lin, Lang;Xu, Xiang-Rong;Yan, Yan;Ma, Li-Sha;Zheng, Guang-Ming;Lin, Lang;Ni, Zhi-Xin;Shi, Hua-Hong;Rittschof, Daniel

作者机构：

关键词： Microplastics; Oyster; Estuary; Biomonitor; Fiber

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： 2018 年 236 卷

页码：

收录情况： SCI

摘要： As a transitional zone between riverine and marine environments, an estuary plays an important role for the sources, accumulation and transport of microplastics. Although estuarine environments are hotspots of microplastic pollution, the correlation between microplastic pollution and aquatic organisms is less known. Here we investigated microplastic pollution in wild oysters Saccostrea cucullata from 11 sampling sites along the Pearl River Estuary in South China. The microplastic abundances in oysters ranged from 1.4 to 7.0 items per individual or from 1.5 to 7.2 items per gram tissue wet weight, which were positively related to those in surrounding waters. The oysters near urban areas contained significantly more microplastics than those near rural areas. Fibers accounted for 69.4% of the total microplastics in oysters. Microplastic sizes varied from 20 to 5000 mu m and 83.9% of which were less than 100 mu m. Light color microplastics were significantly more common than dark color ones. Based on the results, oysters are recommended as a biomonitor for the microplastic pollution in estuaries. (C) 2018 Elsevier Ltd. All rights reserved.

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