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White-Tailed Eagle (Haliaeetus albicilla) Body Feathers DocumentSpatiotemporal Trends of Perfluoroalkyl Substances in the NorthernEnvironment
Univ of Antwerp Belgium.
Swedish Museum of Natural History, Department of Environmental research and monitoring.ORCID iD: 0000-0002-1654-8762
Aarhus University, Roskilde, Denmark.
2019 (English)In: Environmental Science and Technology, ISSN 0013-936X, E-ISSN 1520-5851, Vol. 53, no 21, p. 12744-12753Article in journal (Refereed) Published
Abstract [en]

ABSTRACT:

We reconstructed the first long-term (1968−2015) spatiotemporal trends of perfluoroalkyl substances (PFAS) using archived body feathers of white-tailed eagles (Haliaeetus albicilla) from the West Greenland (n = 31), Norwegian (n = 66), and Central Swedish Baltic coasts (n = 50). We observed significant temporal trends of perfluorooctane sulfonamide (FOSA), perfluorooctane sulfonate (PFOS), and perfluoroalkyl carboxylates (ΣPFCAs) in all three subpopulations. Concentrations of FOSA and PFOS had started decreasing significantly since the mid-1990s to 2000 inthe Greenland and Norwegian subpopulations, consistent with the 3M phase-out, though in sharp contrast to overall increasing trends observed in the Swedish subpopulation. Moreover, ΣPFCA concentrations significantly increased in all three subpopulations throughout the study periods. These temporal trends suggest on going input of PFOS in the Baltic and of ΣPFCAs in all three regions. Considerable spatial variation in PFAS concentrations and profiles was observed: PFOS concentrations were significantly higher in Sweden, whereas FOSA and ΣPFCA concentrations were similar among the subpopulations. PFOS dominated the PFAS profiles in the Swedish and Norwegian subpopulations, in contrast to thedomination of FOSA and ΣPFCAs in the Greenland one. Our spatiotemporal observations underline the usefulness of archived bird of prey feathers in monitoring spatiotemporal PFAS trends and urge for continued monitoring efforts in each of the studied subpopulations.

Place, publisher, year, edition, pages
2019. Vol. 53, no 21, p. 12744-12753
National Category
Natural Sciences
Research subject
Man and the environment
Identifiers
URN: urn:nbn:se:nrm:diva-3364DOI: 10.1021/acs.est.9b03514OAI: oai:DiVA.org:nrm-3364DiVA, id: diva2:1368394
Projects
EcoStress
Note

 There are 14 coauthors in addition

Available from: 2019-11-07 Created: 2019-11-07 Last updated: 2019-11-07Bibliographically approved

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