title: Mercury in various tissues of three mustelid species and other trace metals in liver of European otter from Eastern Finland.
abstract: Mercury concentrations were monitored in European otter (Lutra lutra), European polecat (Mustela putorius) and European pine marten (Martes martes) collected in Eastern Finland during the period 1972-2008. Otters mainly eat fish, which is an important reason to monitor the bioaccumulation of mercury in this predator. In this species, the highest concentrations were found in fur followed by liver and kidney, and the mercury concentrations increased with increasing age and body weight. Males showed in general higher concentrations than females of otters. The food of European polecat consists of small mammals, frogs, birds and insects from both aquatic and terrestrial food chains. The mercury concentrations were lower than in otters without significant differences related to body weight or sex. In European pine martens, the concentrations were rather evenly distributed except for two specimens with high concentrations. Also, concentrations of some other metals (Al, Cd, Cu, Fe, Mn, Ni, Pb and Zn) were analysed from liver samples of otter. Possible adverse effects of mercury on the Finnish populations of these mustelids are discussed.
authors: Department of Environmental Sciences, University of Helsinki, P.O. Box. 65, FIN-00014, Helsinki, Finland, martin.lodenius@helsinki.fi.
authors: M
authors: M
authors: Lodenius
authors: U
authors: U
authors: Skarén
authors: P
authors: P
authors: Hellstedt
authors: E
authors: E
authors: Tulisalo
mesh_terms: D000818:Animals; D004784:Environmental Monitoring; D004785:Environmental Pollutants / Q000378:metabolism*; D005260:Female; D005289:Ferrets / Q000378:metabolism; D005387:Finland; D008099:Liver / Q000378:metabolism; D008297:Male; D008628:Mercury / Q000378:metabolism*; D008670:Metals / Q000378:metabolism*; D045969:Mustelidae / Q000378:metabolism*; D010041:Otters / Q000378:metabolism
chemical_list: D004785:Environmental Pollutants; D008670:Metals; D008628:Mercury
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