Assessment of plastic pollution in the Bohai Sea: Abundance, distribution, morphological characteristics and chemical components

doi:10.1016/j.envpol.2021.116874

	Assessment of plastic pollution in the Bohai Sea: Abundance, distribution, morphological characteristics and chemical components
	Xu, Lili1,3 ; Cao, Liang 1,2; Huang, Wei 4,5; Liu, Jinhu 1,2; Dou, Shuozeng 1,2,3
	2021-06-01
发表期刊	ENVIRONMENTAL POLLUTION
ISSN	0269-7491
卷号	278 页码:20
通讯作者	Dou, Shuozeng(szdou@qdio.ac.cn)
摘要	Plastics are globally distributed in oceans and can pose a threat to the environment and organisms. In this study, plastic pollution in surface water and sediments of the Bohai Sea was assessed based on plastic abundance, distribution and characteristics (shape, polymer, size and color). Water and sediment samples were collected across the sea using a plankton net (330 mm) and a grab sampler, respectively. The following conclusions were reached. 1) In surface water, large plastics were less abundant (0.14 items/m(3)) and showed less diverse characteristics than microplastics (0.79 items/m(3)) but did not significantly differ in spatial distribution. 2) Microplastics in water were more abundant (1.95 items/m(3)) with more diverse characteristics in Liaodong Bay than in other regions of the sea (0.26-0.59 items/m(3)). Plastic waste from highly concentrated agricultural, industrial and fishery activities could make large contributions to microplastics in Liaodong Bay. Additionally, low hydrodynamics and long distance to Bohai Strait are unfavorable for diffusion of particles, facilitating the retention of microplastics and increasing the abundance in this bay. 3) Microplastics in sediments were smaller in terms of dominant sizes (<0.5 mm) with less diverse characteristics than particles in water (0.5-1.5 mm). Specifically, fragments, foams and lines dominated among the microplastics in water, whereas fibers and fragments were dominant particles in sediments; alkyd resin, polyethylene, polystyrene and polypropylene (PP) predominated among the particles in water, but rayon, cellulose and PP were dominant particles in sediments. 4) Neither abundance nor size of microplastics in the two media was proportionally correlated and showed low similarity indexes of polymer (0.16), shape (0.29) or color (0.38). This could be related to mismatch in spatiotemporal distributions and variations in the characteristics, fate and behavior of microplastics in the two media. The findings provide knowledge for tracing the sources of plastics in the Bohai Sea. (C) 2021 Elsevier Ltd. All rights reserved.
关键词	Microplastics Surface water and sediments Abundance and distribution Shape, size, color and polymers
DOI	10.1016/j.envpol.2021.116874
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China (NSFC) under the program Science Fund for Creative Research Groups[41121064] ; National Natural Science Foundation of China (NSFC) under the program Science Fund for Creative Research Groups[40821004]
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Environmental Sciences
WOS记录号	WOS:000641372900014
出版者	ELSEVIER SCI LTD
引用统计	被引频次：26[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/170854
专题	海洋生态与环境科学重点实验室
通讯作者	Dou, Shuozeng
作者单位	1.Chinese Acad Sci, Ctr Ocean Megasci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China 4.Minist Nat Resources, Key Lab Marine Ecosyst Dynam, Hangzhou 310012, Peoples R China 5.Minist Nat Resources, Inst Oceanog 2, Hangzhou 310012, Peoples R China
第一作者单位	中国科学院海洋大科学研究中心
通讯作者单位	中国科学院海洋大科学研究中心
推荐引用方式 GB/T 7714	Xu, Lili,Cao, Liang,Huang, Wei,et al. Assessment of plastic pollution in the Bohai Sea: Abundance, distribution, morphological characteristics and chemical components[J]. ENVIRONMENTAL POLLUTION,2021,278:20.
APA	Xu, Lili,Cao, Liang,Huang, Wei,Liu, Jinhu,&Dou, Shuozeng.(2021).Assessment of plastic pollution in the Bohai Sea: Abundance, distribution, morphological characteristics and chemical components.ENVIRONMENTAL POLLUTION,278,20.
MLA	Xu, Lili,et al."Assessment of plastic pollution in the Bohai Sea: Abundance, distribution, morphological characteristics and chemical components".ENVIRONMENTAL POLLUTION 278(2021):20.

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