Circumpolar contamination in eggs of the high-Arctic ivory gull Pagophila eburnea

The ivory gull Pagophila eburnea is a high‐Arctic species threatened by climate change and contaminants. The objective of the present study was to assess spatial variation of contaminant levels (organochlorines [OCs], brominated flame retardants [BFRs], perfluorinated alkyl substances [PFASs], and m...

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Veröffentlicht in:Environmental toxicology and chemistry 2015-07, Vol.34 (7), p.1552-1561
Hauptverfasser: Lucia, Magali, Verboven, Nanette, Strøm, Hallvard, Miljeteig, Cecilie, Gavrilo, Maria V., Braune, Birgit M., Boertmann, David, Gabrielsen, Geir W.
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container_issue 7
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container_title Environmental toxicology and chemistry
container_volume 34
creator Lucia, Magali
Verboven, Nanette
Strøm, Hallvard
Miljeteig, Cecilie
Gavrilo, Maria V.
Braune, Birgit M.
Boertmann, David
Gabrielsen, Geir W.
description The ivory gull Pagophila eburnea is a high‐Arctic species threatened by climate change and contaminants. The objective of the present study was to assess spatial variation of contaminant levels (organochlorines [OCs], brominated flame retardants [BFRs], perfluorinated alkyl substances [PFASs], and mercury [Hg]) in ivory gulls breeding in different areas across the Arctic region as a baseline for potential future changes associated with climate change. Contaminants were already determined in eggs from Canada (Seymour Island; except PFASs), Svalbard in Norway (Svenskøya), and 3 sites in Russia (Nagurskoe, Cape Klyuv, and Domashny). New data from Greenland allowed the investigation of a possible longitudinal gradient of contamination. The most quantitatively abundant OCs were p,p′‐dichlorodiphenyldichloroethylene (DDE) and polychlorobiphenyls. Mercury concentrations were higher in Canada compared with other colonies. Eggs from Nagurskoe often were characterized by higher OC and BFR concentrations. Concentrations gradually decreased in colonies situated east of Nagurskoe. In contrast, PFAS concentrations, especially perfluorooctanoate and perfluorononanoate, were higher in Greenland. Some of the contaminants, especially Hg and p,p′‐DDE, exceeded published thresholds known to disrupt the reproductive success of avian species. Overall, the levels of OCs, BFRs, and PFASs did not suggest direct lethal exposure to these compounds, but their potential synergetic/additive sublethal effects warrant monitoring. Environ Toxicol Chem 2015;34:1552–1561. © 2015 SETAC
doi_str_mv 10.1002/etc.2935
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The objective of the present study was to assess spatial variation of contaminant levels (organochlorines [OCs], brominated flame retardants [BFRs], perfluorinated alkyl substances [PFASs], and mercury [Hg]) in ivory gulls breeding in different areas across the Arctic region as a baseline for potential future changes associated with climate change. Contaminants were already determined in eggs from Canada (Seymour Island; except PFASs), Svalbard in Norway (Svenskøya), and 3 sites in Russia (Nagurskoe, Cape Klyuv, and Domashny). New data from Greenland allowed the investigation of a possible longitudinal gradient of contamination. The most quantitatively abundant OCs were p,p′‐dichlorodiphenyldichloroethylene (DDE) and polychlorobiphenyls. Mercury concentrations were higher in Canada compared with other colonies. Eggs from Nagurskoe often were characterized by higher OC and BFR concentrations. Concentrations gradually decreased in colonies situated east of Nagurskoe. 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The objective of the present study was to assess spatial variation of contaminant levels (organochlorines [OCs], brominated flame retardants [BFRs], perfluorinated alkyl substances [PFASs], and mercury [Hg]) in ivory gulls breeding in different areas across the Arctic region as a baseline for potential future changes associated with climate change. Contaminants were already determined in eggs from Canada (Seymour Island; except PFASs), Svalbard in Norway (Svenskøya), and 3 sites in Russia (Nagurskoe, Cape Klyuv, and Domashny). New data from Greenland allowed the investigation of a possible longitudinal gradient of contamination. The most quantitatively abundant OCs were p,p′‐dichlorodiphenyldichloroethylene (DDE) and polychlorobiphenyls. Mercury concentrations were higher in Canada compared with other colonies. Eggs from Nagurskoe often were characterized by higher OC and BFR concentrations. Concentrations gradually decreased in colonies situated east of Nagurskoe. In contrast, PFAS concentrations, especially perfluorooctanoate and perfluorononanoate, were higher in Greenland. Some of the contaminants, especially Hg and p,p′‐DDE, exceeded published thresholds known to disrupt the reproductive success of avian species. Overall, the levels of OCs, BFRs, and PFASs did not suggest direct lethal exposure to these compounds, but their potential synergetic/additive sublethal effects warrant monitoring. Environ Toxicol Chem 2015;34:1552–1561. © 2015 SETAC</abstract><cop>United States</cop><pub>Blackwell Publishing Ltd</pub><pmid>25677940</pmid><doi>10.1002/etc.2935</doi><tpages>10</tpages></addata></record>
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subjects Animal reproduction
Animals
Arctic
Arctic Regions
Arctic zone
Birds
Charadriiformes - growth & development
Charadriiformes - metabolism
Chemical contaminants
Chromatography, High Pressure Liquid
Climate Change
Colonies
Concentration (composition)
Contaminants
Contamination
DDE
Dichlorodiphenyl Dichloroethylene - analysis
Dichlorodiphenyl Dichloroethylene - toxicity
Eggs
Environmental monitoring
Environmental Pollutants - analysis
Environmental Pollutants - toxicity
Flame retardants
Flame Retardants - analysis
Flame Retardants - toxicity
Hydrocarbons, Chlorinated - analysis
Hydrocarbons, Chlorinated - toxicity
Ivory gull
Mercury
Mercury (metal)
Mercury - analysis
Mercury - toxicity
Nitrous oxide
Organochlorine compounds
Ovum - chemistry
Ovum - drug effects
Ovum - metabolism
Pagophila eburnea
Perfluorinated alkyl substances
Persistent organic pollutants
Polychlorinated Biphenyls - analysis
Polychlorinated Biphenyls - toxicity
Principal Component Analysis
Reproduction
Sublethal effects
Tandem Mass Spectrometry
Threatened species
Toxicology
title Circumpolar contamination in eggs of the high-Arctic ivory gull Pagophila eburnea
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