Microplastics in offshore sediment in the Yellow Sea and East China Sea, China

被引:244
|
作者
Zhang, Chunfang [1 ,2 ]
Zhou, Hanghai [1 ]
Cui, Yaozong [2 ]
Wang, Chunsheng [3 ]
Li, Yanhong [2 ]
Zhang, Dongdong [1 ]
机构
[1] Zhejiang Univ, Ocean Coll, Inst Marine Biol, Zhoushan 316021, Zhejiang, Peoples R China
[2] Guilin Univ Technol, Coll Environm Sci & Engn, Guilin 541006, Peoples R China
[3] State Ocean Adm, Inst Oceanog 2, Hangzhou, Zhejiang, Peoples R China
基金
中国国家自然科学基金;
关键词
Marine pollution; Microplastics; Offshore sediments; Southern Yellow Sea; East China sea; ORGANIC POLLUTANTS; MARINE-ENVIRONMENT; 2; BEACHES; POLLUTION; DEBRIS; ACCUMULATION; SHORELINES; INGESTION; CHEMICALS; PLASTICS;
D O I
10.1016/j.envpol.2018.10.102
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Microplastic particles are a global concern due to their widespread and growing threat to marine and coastal environments. To improve knowledge of microplastic pollution in China, we investigated 25 sediment samples collected with a box corer in the Southern Yellow Sea and East China Sea off the coast of China. The microplastics were extracted from sediments via density separation, after which they were observed under a microscope and characterized according to shape, color, and size, while polymer type identification was performed using micro-Fourier transform infrared spectroscopy. The abundance of microplastics in the offshore region of the Southern Yellow Sea and East China Sea was mapped. The mean concentration of microplastics at the 25 sites was 13.4 +/- 0.6 particles 100 g(-1) dry weight (range: 6.0-24.0 particles 100 g(-1) dry weight). Based on the categorization according to shape, color, and size, fiber (77%) was the most abundant shape, while blue (35%) and transparent (29%) were the most prevalent colors. In addition, the dominant size of microplastics was smaller than 1000 ism which accounted for 89%. Finally, polyethylene, polyethylene terephthalate, acrylic, polyester, cellulose, and cellophane were the most abundant types of microplastics identified. Our result highlighted the presence of microplastics in offshore sediments from the Yellow Sea and East China Sea, and provided useful information for evaluating the environmental risks posed by microplastics in China. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码:827 / 833
页数:7
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