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Hydroxylated and methoxylated polybrominated diphenyl ethers in long-tailed ducks (Clangula hyemalis) and their main food, Baltic blue mussels (Mytilus trossulus x Mytilus edulis)
Stockholm University.
Stockholm University.
Linnaeus University, Faculty of Technology, Kalmar Maritime Academy.
Stockholm University ; Swedish Toxicology Sciences Research Center (Swetox).
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2016 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 144, 1475-1483 p.Article in journal (Refereed) Published
Abstract [en]

Long-tailed ducks (Clangula hyemalis) that breed in northern Europe and western Siberia and commonly winter in the Baltic Sea, are threatened by a significant population decrease. The ducks are, by primarily feeding on Baltic blue mussels (Mytilus trossulus x Mytilus edulis) while wintering in the Baltic Sea, potentially subjected to high levels of toxic hydroxylated polybrominated diphenyl ethers (OH-PBDEs). To assess long-tailed ducks exposure to polybrominated phenols (PBPs), polybrominated anisoles (PBAs), hydroxylated polybrominated diphenyl ethers (OH-PBDEs), their methylated counterparts (MeO-PBDEs) and polybrominated diphenyl ethers (PBDEs), livers of ten long-tailed ducks wintering in the Baltic Sea were analysed. Pattern and levels of analytes in long-tailed ducks (liver) and blue mussels sampled in March and May at nine sites in the Baltic Sea were compared. The geometric mean concentration (ng/g l.w.) in livers of long-tailed ducks and Baltic blue mussels were: ∑2PBPs: 0.57 and 48; ∑2PBAs: 0.83 and 11; ∑7OH-PBDEs: 6.1 and 45; ∑7MeO-PBDEs: 3.8 and 69; ∑7PBDEs: 8.0 and 7.2, respectively. Based on an estimated daily intake of 450 g fresh blue mussel meat, long-tailed ducks daily dietary intake of brominated substances while foraging in the Baltic Sea in March-May was estimated to; 390 ng ∑2PBPs, 90 ng ∑2PBAs, 370 ng ∑7OH-PBDEs, 590 ng ∑7MeO-PBDEs and 59 ng ∑7PBDEs. The low levels of PBPs, PBAs, OH-PBDEs and MeO-PBDEs in the long-tailed duck livers compared to blue mussel, despite a continuous daily intake, suggest that these compounds are poorly retained in long-tailed ducks.

Place, publisher, year, edition, pages
2016. Vol. 144, 1475-1483 p.
Keyword [en]
Hydroxylated polybrominated diphenyl ether, OH-PBDE, MeO-PBDE, PBDE. Long-tailed duck, Blue mussel
National Category
Ecology
Research subject
Natural Science, Aquatic Ecology
Identifiers
URN: urn:nbn:se:lnu:diva-48266DOI: 10.1016/j.chemosphere.2015.10.012ISI: 000367774400186PubMedID: 26495833OAI: oai:DiVA.org:lnu-48266DiVA: diva2:878935
Available from: 2015-12-09 Created: 2015-12-09 Last updated: 2016-02-12Bibliographically approved

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CiteExportLink to record
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Citation style
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