Search Results - "Blais, J.M"

Localized enrichment of polycyclic aromatic hydrocarbons in soil, spruce needles, and lake sediments linked to in-situ bitumen extraction near Cold Lake, Alberta by Korosi, J.B., Irvine, G., Skierszkan, E.K., Doyle, J.R., Kimpe, L.E., Janvier, J., Blais, J.M.

“…The extraction of bitumen from the Alberta oil sands using in-situ technologies is expanding at a rapid rate; however, investigations into the environmental…”
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Vertebrate records in polar sediments: Biological responses to past climate change and human activities by Sun, L.G., Emslie, S.D., Huang, T., Blais, J.M., Xie, Z.Q., Liu, X.D., Yin, X.B., Wang, Y.H., Huang, W., Hodgson, D.A., Smol, J.P.

“…Biological responses to climate and environmental changes in remote polar regions are of increasing interest in global change research. Terrestrial and marine…”
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The association of type 2 diabetes and insulin resistance/secretion with persistent organic pollutants in two First Nations communities in northern Ontario by Pal, S, Blais, J.M, Robidoux, M.A, Haman, F, Krümmel, E, Seabert, T.A, Imbeault, P

“…Abstract Aims Recent evidence suggests an association between persistent organic pollutants (POPs) and type 2 diabetes. In two First Nations communities where…”
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A soil ingestion pilot study of a population following a traditional lifestyle typical of rural or wilderness areas by Doyle, J.R., Blais, J.M., Holmes, R.D., White, P.A.

“…The relatively few soil ingestion studies underpinning the recommended soil ingestion rates for contaminated site human health risk assessments (HHRAs) that…”
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A pilot study to assess the feasibility of using naturally-occurring radionuclides as mass balance tracers to estimate soil ingestion by Doyle, J.R., White, P.A., Blais, J.M.

“…The relatively few soil ingestion studies that have been conducted to date to support soil ingestion rate values used for contaminated site human health risk…”
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Mercury empirical relationships in sediments from three Ontario lakes by Ethier, A.L.M., Scheuhammer, A.M., Blais, J.M., Paterson, A.M., Mierle, G., Ingram, R., Lean, D.R.S.

“…Total mercury (THg), methyl mercury (MeHg), total organic carbon (TOC), sediment bulk density (SBD), redox potential (Eh) and percent fines measurements were…”
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Mercury, polybrominated diphenyl ether, organochlorine pesticide, and polychlorinated biphenyl concentrations in fish from lakes along an elevation transect in the French Pyrénées by Blais, Jules M., Charpentié, Sylvain, Pick, Frances, Kimpe, Linda E., Amand, Annick St, Regnault-Roger, Catherine

“…Concentrations of mercury and persistent organic pollutants in fish were examined in 11 lakes of the French Pyrénées spanning an elevation range of 2 km. All…”
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Increased proliferative effect of organochlorine compounds on human preadipocytes by Chapados, N.A, Casimiro, C, Batal, M, Blais, J.M, Haman, F, Robidoux, M.A, Imbeault, P

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Simulating diluted bitumen spills in boreal lake limnocorrals - part 2: Factors affecting the physical characteristics and submergence of diluted bitumen by Stoyanovich, S., Rodríguez-Gil, J.R., Hanson, M.L., Hollebone, B.P., Orihel, D.M., Palace, V.P., Faragher, R., Mirnaghi, F.S., Shah, K., Yang, Z., Blais, J.M.

“…We examined the fate and behaviour of diluted bitumen (dilbit) as it weathered for 70 days in freshwater limnocorrals (10 m diameter × 1.5 m depth) installed…”
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Fate of polycyclic aromatic compounds from diluted bitumen spilled into freshwater limnocorrals by Stoyanovich, S., Yang, Z., Hanson, M., Hollebone, B.P., Orihel, D.M., Palace, V., Rodriguez-Gil, J.R., Mirnaghi, F., Shah, K., Blais, J.M.

“…Diluted bitumens (dilbits) are produced by mixing highly viscous bitumen with lighter petroleum products to facilitate transport. The unique physical and…”
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Occupational exposure to polycyclic aromatic hydrocarbons (PAHs) by firefighters by Akhtar, U.S., Keir, J.L., Matschke, D., White, P., Blais, J.M.

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Are fur farms a potential source of persistent organic pollutants or mercury to nearby freshwater ecosystems? by Gregory, B.R.B., Kissinger, J.A., Clarkson, C., Kimpe, L.E., Eickmeyer, D.C., Kurek, J., Smol, J.P., Blais, J.M.

“…Farming of carnivorous animals for pelts potentially contaminates nearby ecosystems because animal feed and waste may contain persistent organic pollutants…”
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Exploring within-ecodistrict lake organic matter variability and identifying possible environmental contaminant biomarkers using sedimentomics by Gregory, B.R.B., Bell, M.A., Sproule, A., Shields, S.W., Overy, D.P., Blais, J.M.

“…Sedimentomics methods offer insight into the physiological parameters that influence freshwater sediment organic matter (sedOM). To date, most sedimentomics…”
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Surface oil is the primary driver of macroinvertebrate impacts following spills of diluted bitumen in freshwater by Black, T.A., White, M.S., Blais, J.M., Hollebone, B., Orihel, D.M., Palace, V.P., Rodriguez-Gil, J.L., Hanson, M.L.

“…The response of freshwater invertebrates following accidental releases of oil is not well understood. This knowledge gap is more substantial for unconventional…”
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Reconstructing a long-term record of microcystins from the analysis of lake sediments by Zastepa, A., Taranu, Z.E., Kimpe, L.E., Blais, J.M., Gregory-Eaves, I., Zurawell, R.W., Pick, F.R.

“…Based on an analysis of sediment cores from Baptiste Lake (Alberta, Canada), we quantified century-scale trends in cyanobacteria and cyanotoxins, and…”
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Occupational exposures to polycyclic aromatic hydrocarbons and other environmental mutagens in Ottawa firefighters by Keir, J.L., Akhtar, U.S., Lt Matschke, D., White, P.A., Blais, J.M.

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Toxicokinetics and bioaccumulation of polycyclic aromatic compounds in wood frog tadpoles (Lithobates sylvaticus) exposed to Athabasca oil sands sediment by Bilodeau, J.C., Gutierrez Villagomez, J.M., Kimpe, L.E., Thomas, P.J., Pauli, B.D., Trudeau, V.L., Blais, J.M.

“…•We determined the toxicokinetic parameters for PAC accumulation in tadpoles.•Sediment is a major source of PACs to tadpoles.•Alkyl PACs were 10x higher than…”
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Soil ingestion rate determination in a rural population of Alberta, Canada practicing a wilderness lifestyle by Irvine, G., Doyle, J.R., White, P.A., Blais, J.M.

“…The inadvertent ingestion of contaminated soil can be a major pathway for chemical exposure to humans. Few studies to date have quantified soil ingestion rates…”
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Cliff-nesting seabirds influence production and sediment chemistry of lakes situated above their colony by Hargan, K.E., Michelutti, N., Coleman, K., Grooms, C., Blais, J.M., Kimpe, L.E., Gilchrist, G., Mallory, M., Smol, J.P.

“…Seabirds that congregate in large numbers during the breeding season concentrate marine-derived nutrients to their terrestrial nesting sites, and these…”
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Pollen assemblage and environmental DNA changes: A 4300-year-old bat guano deposit from Jamaica by Bogdanowicz, W., Worobiec, Elżbieta, Grooms, C., Kimpe, L.E., Smol, J.P., Stewart, R.S., Suchecka, E., Pomorski, J.J., Blais, J.M., Clare, E.L., Fenton, M.B.

“…The discovery of two undisturbed caves in Jamaica with 14C and 210Pb dating indicating that the oldest layers of guano were ca. 200 years old in the first cave…”
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