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Occurrence and fate of microplastic debris in middle and lower reaches of the Yangtze River - From inland to the sea
Xiong, Xiong1,2; Wu, Chenxi1; Elser, James J.2; Mei, Zhigang3; Hao, Yujiang3
2019-04-01
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume659Issue:1Pages:66-73
AbstractBased on field investigations and modeling estimates, rivers are considered an important route taken by microplastics to reach the sea. However, only a few studies have directly assessed occurrence and fate of microplastics in rivers. In this study, we surveyed the occurrence and fate of microplastic debris in the middle and lower reaches of the Yangtze River, which was estimated to be the largest riverine source of plastic debris to the sea. The abundance of microplastics at 15 sites along the middle and lower reaches of the Yangtze River ranged from 1.95 x 10(5) to 9.00 x 10(5) items/km(2) with an average of 4.92 x 10(5) items/km(2). The abundance of microplastics was positively correlated with the abundance of mesoplastics. Megacities, large riparian lakes, and seawater encroachment appeared to be main factors affecting the distribution of microplastics in the Yangtze River, while the deposition to benthic and riparian sediments likely led to observed decreases in microplastics in some sections of the river. The results of this study indicate that a considerable amount of microplastics generated in large river catchments are not transported to the sea and past modeling estimates of microplastic flux may contain biases. The flux of microplastics reaching the sea should be calculated based on long-term monitoring at the tidal limit of rivers. More importantly, the fate and effects of microplastics retained in the river system should receive more attention. (c) 2018 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordMicroplastics Yangtze River Transport
DOI10.1016/j.scitotenv.2018.12.313
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Funding OrganizationNatural Science Foundation of China(41501536) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2016FBZ11) ; Young Researcher Support Funding of Institute of Hydrobiology, Chinese Academy of Sciences(Y85E01) ; Natural Science Foundation of China(41501536) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2016FBZ11) ; Young Researcher Support Funding of Institute of Hydrobiology, Chinese Academy of Sciences(Y85E01)
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS KeywordSURFACE WATERS ; PLASTIC DEBRIS ; POLLUTION ; LAKE ; CHINA ; SEDIMENTS ; BAY ; FRAGMENTATION ; TRIBUTARIES ; ABUNDANCE
WOS IDWOS:000457293700007
Funding OrganizationNatural Science Foundation of China(41501536) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2016FBZ11) ; Young Researcher Support Funding of Institute of Hydrobiology, Chinese Academy of Sciences(Y85E01) ; Natural Science Foundation of China(41501536) ; State Key Laboratory of Freshwater Ecology and Biotechnology(2016FBZ11) ; Young Researcher Support Funding of Institute of Hydrobiology, Chinese Academy of Sciences(Y85E01)
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/72362
Collection水环境工程研究中心
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
2.Univ Montana, Flathead Lake Biol Stn, Polson, MT 59860 USA
3.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Xiong, Xiong,Wu, Chenxi,Elser, James J.,et al. Occurrence and fate of microplastic debris in middle and lower reaches of the Yangtze River - From inland to the sea[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019,659(1):66-73.
APA Xiong, Xiong,Wu, Chenxi,Elser, James J.,Mei, Zhigang,&Hao, Yujiang.(2019).Occurrence and fate of microplastic debris in middle and lower reaches of the Yangtze River - From inland to the sea.SCIENCE OF THE TOTAL ENVIRONMENT,659(1),66-73.
MLA Xiong, Xiong,et al."Occurrence and fate of microplastic debris in middle and lower reaches of the Yangtze River - From inland to the sea".SCIENCE OF THE TOTAL ENVIRONMENT 659.1(2019):66-73.
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