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Are liver and renal lesions in East Greenland polar bears (Ursus maritimus) associated with high mercury levels?
Authors:Christian Sonne  Rune Dietz  Pall S Leifsson  Gert Asmund  Erik W Born  Maja Kirkegaard
Affiliation:1.Section for Contaminants, Effects and Marine Mammals, Department of Arctic Environment,National Environmental Research Institute, University of Aarhus,Roskilde,Denmark;2.Department of Veterinary Pathobiology,Faculty of Life Sciences, University of Copenhagen,Frederiksberg,Denmark;3.Greenland Institute of Natural Resources,Nuuk,Greenland
Abstract:

Background  

In the Arctic, polar bears (Ursus maritimus) bio-accumulate mercury as they prey on polluted ringed seals (Phoca hispida) and bearded seals (Erignathus barbatus). Studies have shown that polar bears from East Greenland are among the most mercury polluted species in the Arctic. It is unknown whether these levels are toxic to liver and kidney tissue.
Keywords:
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