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Impacts of farmed fish consumption and food trade on methylmercury exposure in China
Liu, MD (Liu, Maodian)1,2; Chen, L (Chen, Long)3,4; He, YP (He, Yipeng)1,2; Baumann, Z (Baumann, Zofia)2; Mason, RP (Mason, Robert P.)2; Shen, HZ (Shen, Huizhong)5; Yu, CH (Yu, Chenghao)1; Zhang, W (Zhang, Wei)6; Zhang, QG (Zhang, Qianggong)7,8; Wang, XJ (Wang, Xuejun)1
Source PublicationENVIRONMENT INTERNATIONAL
2018-11-01
Volume120Issue:0Pages:333-344
DOI10.1016/j.envint.2018.08.017
Abstract

The global pollutant mercury (Hg), especially as methylmercury (MeHg), threatens human and ecosystem health. But major contributors of MeHg exposure to people in China remain highly debated. We developed the China Mercury Exposure Assessment (CMEA) model, which incorporates human exposure pathways for MeHg and total Hg (THg), the interregional, including international and interprovincial, food trading as well as human physiology to provide a comprehensive system that can evaluate the pathway of Hg forms to human consumers in China. Based on the CMEA model that employed the most comprehensive and recent data, we have found that the Probable Daily Intake (PDI) of MeHg for the Chinese population was 0.057 (range: 0.036-0.091 as 60% confidence interval) mu g.kg(-1).day(-1), while that of THg was 0.35 (range: 0.22-0.55) mu g.kg(-1).day(-1). MeHg exposure was dominated by fish intake, especially by farm-raised freshwater fish due to higher consumption of these fish. In 2011, fish intake contributed to 56% to the total MeHg exposure, followed by rice (26%). Consumption of farm-raised fish reduced human exposure to MeHg by 33%. On the other hand, interregional food trading increased MeHg exposure of the Chinese population, as a whole, by 7.6%. The international and interprovincial food trades contributed to 5.1% and 22% of MeHg intake, respectively. For the whole China, fish intake related exposure to MeHg was highest for the Eastern and Northeastern populations, while Tibetans were chronically exposed to the highest MeHg from other sources. Our findings highlight the importance of farmed fish and food trade for MeHg exposure.

Subject Area地理学
WOS IDWOS:000448688500034
Language英语
Indexed BySCIE
KeywordSpeciated Atmospheric Mercury Methyl Mercury United-states International-trade Heavy-metals Anthropogenic Sources Prenatal Exposure Inorganic Mercury Health-benefits Risk-assessment
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
Cooperation Status国际
ISSN0160-4120
Department环境变化与地表过程重点实验室
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8513
Collection图书馆
Corresponding AuthorWang, XJ (Wang, Xuejun)
Affiliation1.Peking Univ, Minist Educ, Lab Earth Surface Proc, Coll Urban & Environm Sci, Beijing 100871, Peoples R China;
2.Univ Connecticut, Dept Marine Sci, 1080 Shennecossett Rd, Groton, CT 06340 USA;
3.East China Normal Univ, Minist Educ, Key Lab Geog Informat Sci, Shanghai 200241, Peoples R China;
4.East China Normal Univ, Sch Geog Sci, Shanghai 200241, Peoples R China;
5.Georgia Inst Technol, Sch Civil & Environm Engn, Atlanta, GA 30332 USA;
6.Renmin Univ China, Sch Environm & Nat Resources, Beijing 100872, Peoples R China;
7.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China;
8.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China.
Recommended Citation
GB/T 7714
Liu, MD ,Chen, L ,He, YP ,et al. Impacts of farmed fish consumption and food trade on methylmercury exposure in China[J]. ENVIRONMENT INTERNATIONAL,2018,120(0):333-344.
APA Liu, MD .,Chen, L .,He, YP .,Baumann, Z .,Mason, RP .,...&Wang, XJ .(2018).Impacts of farmed fish consumption and food trade on methylmercury exposure in China.ENVIRONMENT INTERNATIONAL,120(0),333-344.
MLA Liu, MD ,et al."Impacts of farmed fish consumption and food trade on methylmercury exposure in China".ENVIRONMENT INTERNATIONAL 120.0(2018):333-344.
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