View ECCC Data Mart (English) (English, HTML)

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Publisher-reported update

2022-10-13

The objectives of the present long‐term study, spanning a 45 year period, were to 1) investigate the temporal trends of total mercury (THg; muscle and liver) and selenium (Se; liver) in ringed seals (Pusa hispida) from different regions of the Canadian Arctic; and 2) examine possible relationships with age, diet, and climate parameters such as air temperature, precipitation, climatic indices, and ice‐coverage. Citation: Houde, M., Taranu, Z.E., Wang, X., Young, B., Gagnon, P., Ferguson, S.H., Kwan, M., Muir, D.C.G., 2020. Mercury in ringed seals (Pusa hispida) from the Canadian Arctic in relation to time and climate parameters. Environ. Toxicol. Chem. 39, 2462–2474. doi: 10.1002/etc.4865 Supplemental Information The Northern Contaminants Program (NCP, http://www.science.gc.ca/eic/site/063.nsf/eng/h_7A463DBA.html) was established in 1991 in response to concerns about human exposure to elevated levels of contaminants in wildlife species that are important to the traditional diets of northern Aboriginal peoples. Early studies found a wide variety of substances, many of which had no Arctic or Canadian sources, but which were, nevertheless, reaching unexpectedly high levels in the…

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