Distribution and Settlement of Microplastics in the Surface Sediment of Yangtze Estuary

被引：23
|
作者：
Zhu X.-T. [1 ]
Yi J. [1 ,2 ]
Qiang L.-Y. [1 ]
Cheng J.-P. [1 ,2 ,3 ]
机构：
[1] State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai
[2] Shenzhen Key Laboratory for the Sustainable Use of Marine Biodiversity, Research Centre for the Oceans and Human Health, City University of Hong Kong Shenzhen Research Institute, Shenzhen
[3] Environmental Science Programs, The Hong Kong University of Science and Technology, Hong Kong
来源：
Cheng, Jin-Ping (jinpingcheng@gmail.com) | 2018年 / Science Press卷 / 39期
关键词：
Distribution; Microplastics; Seasonal patterns; Surface sediment; Yangtze estuary;
D O I：
10.13227/j.hjkx.201709032
中图分类号：
学科分类号：
摘要：
This study is designed to understand the microplastic contamination in the coastal area of Yangtze estuary. The abundance and distribution profiles of microplastics in the surface sediment of six sampling sites along the Yangtze estuary were examined throughout one year. The detected average concentration of microplastic, including fibers and fragments, in the surface sediment of Yangtze estuary was (3.42±1.31) items•g-1 (DW). Sampling during four seasons, in the months of January, April, July, and November, indicated that the highest abundance of microplastics in Yangtze estuary surface sediment occurred in January. A re-suspension experiment showed that microplastics tend to settle in the surface sediment after re-suspension. The distribution and settlement of microplastics along the coastal area has a high concordance with the dynamic erosion-accretion process of the Yangtze estuary. Microplastics tend to settle in accretion sites rather than in erosion sites. © 2018, Science Press. All right reserved.
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收藏
页码：2067 / 2074
页数：7
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