Circumpolar pattern of mercury and cadmium in ringed seals
作者： Frank Riget , Derek Muir , Michael Kwan , Tatiana Savinova , Madeleine Nyman
DOI: 10.1016/J.SCITOTENV.2004.05.032
关键词: The arctic 、 Circumpolar star 、 Age groups 、 Zoology 、 Oceanography 、 Biology 、 Arctic 、 Cadmium 、 Liver and kidney 、 Mercury (element) 、 Russian federation
摘要: Mercury (Hg) and cadmium (Cd) concentrations in ringed seal liver kidney were compared from 11 locations across the Arctic, Alaska, Canada, Greenland, Svalbard to White Sea. Adult sub adult seals evaluated separately account for age accumulations of Hg Cd. Only recently (1995-2001) collected samples included minimize influence changes over time. The Cd differed significantly among studied locations. was highest western Canadian Arctic locations, while eastern West Greenland In general, higher than adults circumpolar patterns most pronounced seals. general supported geographical pattern found livers although coverage more limited. likely explanation observed appears mainly be related natural geological differences mineral (Hg Cd) regions.
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