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Environmental contaminants in arctic foxes (Alopex lagopus) in Svalbard: relationships with feeding ecology and body condition
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2007 (English)In: Environmental Pollution, ISSN 0269-7491, E-ISSN 1873-6424, Vol. 146, no 1, p. 128-138Article in journal (Refereed) Published
Abstract [en]

Adipose tissues from 20 arctic foxes (Alopex lagopus) of both sexes from Svalbard were analysed for polybrominated diphenyl ether (PBDE), polychlorinated biphenyl (PCB), p,p'-dichlorodiphenyltrichloroethane (DDE), chlordane, and hexachlorobenzene (HCB) concentrations. Gender (0.43<p<0.97) and age (0.15<p<0.95) were not significantly related to any of the organohalogen groups. Body condition showed a significant inverse relationship with SigmaPBDE, SigmaChlordane and HCB, suggesting that increased tissue contaminant concentrations are associated with depletion of adipose tissue. The seasonal cyclic storage and mobilisation of adipose tissue, characteristic in Arctic wildlife, may then provide increased input of contaminants to sensitive, vital effect organs. Trophic position was estimated by delta(15)N from muscle samples and showed significantly positive relationship with all contaminants, with the exception of HCB concentrations. This indicates that foxes feeding at high trophic levels had higher tissue contaminant levels as a result of bioaccumulation in the food chain.

Place, publisher, year, edition, pages
2007. Vol. 146, no 1, p. 128-138
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Natural Sciences Chemical Sciences Environmental Sciences
Research subject
Chemistry; Environmental Chemistry
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URN: urn:nbn:se:oru:diva-5309DOI: 10.1016/j.envpol.2006.06.036PubMedID: 16963168OAI: oai:DiVA.org:oru-5309DiVA, id: diva2:158674
Available from: 2009-02-03 Created: 2009-02-03 Last updated: 2017-12-14Bibliographically approved

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Björnfoth, Helenvan Bavel, Bert

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  • de-DE
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  • Other locale
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