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MercuNorth–monitoring mercury in pregnant women from the Arctic as a baseline to assess the effectiveness of the Minamata Convention
Population Studies Division, Environmental Health Science and Research Bureau, Health Canada, ON, Ottawa, Canada.
Axe Santé Des Populations Et Pratiques Optimales En Santé, Centre De Recherche Du CHU De Québec, QC, Québec, Canada; Département De Médecine Sociale Et Préventive, Université Laval, QC, Québec, Canada.
Center for Arctic Health Molecular Epidemiology, Department of Public Health, Aarhus University, Aarhus C, Denmark; Greenland Center for Health Research, University of Greenland, Nuuk, Greenland.
Center for Arctic Health Molecular Epidemiology, Department of Public Health, Aarhus University, Aarhus C, Denmark.
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2021 (Engelska)Ingår i: International Journal of Circumpolar Health, ISSN 1239-9736, E-ISSN 2242-3982, Vol. 80, nr 1, artikel-id 1881345Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Exposure to mercury (Hg) is a global concern, particularly among Arctic populations that rely on the consumption of marine mammals and fish which are the main route of Hg exposure for Arctic populations.The MercuNorth project was created to establish baseline Hg levels across several Arctic regions during the period preceding the Minamata Convention. Blood samples were collected from 669 pregnant women, aged 18–44 years, between 2010 and 2016 from sites across the circumpolar Arctic including Alaska (USA), Nunavik (Canada), Greenland, Iceland, Norway, Sweden, Northern Lapland (Finland) and Murmansk Oblast (Russia). Descriptive statistics were calculated, multiple pairwise comparisons were made between regions, and unadjusted linear trend analyses were performed.Geometric mean concentrations of total Hg were highest in Nunavik (5.20 µg/L)  and Greenland (3.79 µg/L), followed by Alaska (2.13 µg/L), with much lower concentrations observed in the other regions (ranged between 0.48 and 1.29 µg/L). In Nunavik, Alaska and Greenland, blood Hg concentrations have decreased significantly since 1992, 2000 and 2010 respectively with % annual decreases of 4.7%, 7.5% and 2.7%, respectively.These circumpolar data combined with fish and marine mammal consumption data can be used for assessing long-term Hg trends and the effectiveness of the Minamata Convention.

Ort, förlag, år, upplaga, sidor
Taylor & Francis, 2021. Vol. 80, nr 1, artikel-id 1881345
Nyckelord [en]
Arctic, biomonitoring, Mercury, Minamata Convention
Nationell ämneskategori
Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi
Identifikatorer
URN: urn:nbn:se:umu:diva-186207DOI: 10.1080/22423982.2021.1881345ISI: 000657513000001PubMedID: 34080521Scopus ID: 2-s2.0-85102126297OAI: oai:DiVA.org:umu-186207DiVA, id: diva2:1581190
Forskningsfinansiär
Nordiska ministerrådet, 14137NaturvårdsverketTillgänglig från: 2021-07-20 Skapad: 2021-07-20 Senast uppdaterad: 2021-08-16Bibliografiskt granskad

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Bergdahl, Ingvar A.Wennberg, Maria

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