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Mercury and other trace elements in a pelagic Arctic marine food web (Northwater Polynya, Baffin Bay).
Total mercury (THg), methylmercury (MeHg) and 22 other trace elements were measured in ice algae, three species of zooplankton, mixed zooplankton samples, Arctic cod (Boreogadus saida), ringed sealsExpand
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Sources and Significance of Alkane and PAH Hydrocarbons in Canadian Arctic Rivers
Hydrocarbon measurements have been made on dissolved, suspended particulate and sediment samples collected in 1987, 1993 and 1994 from the Mackenzie River delta and shelf and in 1993 from 10 smallerExpand
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Contaminants in the Canadian Arctic: 5 years of progress in understanding sources, occurrence and pathways.
Recent studies of contaminants under the Canadian Northern Contaminants Program (NCP) have substantially enhanced our understanding of the pathways by which contaminants enter Canada's Arctic andExpand
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  • Open Access
Brominated flame retardants in polar bears (Ursus maritimus) from Alaska, the Canadian Arctic, East Greenland, and Svalbard.
Polybrominated diphenyl ethers (PBDEs) were determined in adipose tissue of adult and subadult female polar bears sampled between 1999 and 2002 from sub-populations in Arctic Canada, easternExpand
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Total and soluble reactive phosphorus loadings to Lake Erie: A detailed accounting by year, basin, country, and tributary
Abstract Information about the loads of total and soluble reactive phosphorus entering Lake Erie is required in order to support commitments made under Annex 4 of the Great Lakes Water QualityExpand
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Fate of pharmaceutical and trace organic compounds in three septic system plumes, Ontario, Canada.
Three high volume septic systems in Ontario, Canada, were examined to assess the potential for onsite wastewatertreatment systems to release pharmaceutical compounds to the environment and toExpand
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Fractionation and bioaccumulation of perfluorooctane sulfonate (PFOS) isomers in a Lake Ontario food web.
The environmental ubiquity of perfluorooctane sulfonate (PFOS) is well-known. However, little is known about the environmental fate of individual PFOS isomers. In this study, we investigated theExpand
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Changes in mercury levels in Great Lakes fish between 1970s and 2007.
A number of initiatives have curtailed anthropogenic mercury emissions in North America over the last two decades; however, various factors, including long-range transport of global emissions, mayExpand
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Flame retardants and legacy chemicals in Great Lakes' water.
The Great Lakes have been the focus of extensive environmental research, but recent data on the aquatic concentrations of emerging compounds, such as flame retardants, are scarce. Water samples fromExpand
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Toxicity of oil sands to early life stages of fathead minnows (Pimephales promelas).
The present study examines the effects of exposure to oil sands on the early life stages (ELS) of fathead minnows (Pimephales promelas). Sediments within and outside natural oil sand deposits wereExpand
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  • Open Access