J M Blais

Summary

Affiliation: University of Ottawa
Country: Canada

Publications

  1. ncbi request reprint Melting glaciers: a major source of persistent organochlorines to subalpine Bow Lake in Banff National Park, Canada
    J M Blais
    University of Ottawa, 30 Marie Curie Rd, Ottawa, Ontario, Canada, KIN 6N5
    Ambio 30:410-5. 2001
  2. ncbi request reprint Mercury, polybrominated diphenyl ether, organochlorine pesticide, and polychlorinated biphenyl concentrations in fish from lakes along an elevation transect in the French Pyrénées
    Jules M Blais
    Department of Biology, University of Ottawa, 30 Marie Curie, Ottawa, Ont, Canada K1N 6N5
    Ecotoxicol Environ Saf 63:91-9. 2006
  3. ncbi request reprint Assessment and characterization of polychlorinated biphenyls near a hazardous waste incinerator: analysis of vegetation, snow, and sediments
    Jules M Blais
    Department of Biological Sciences, University of Alberta, Edmonton, Alberta T6G 2E9, Canada
    Environ Toxicol Chem 22:126-33. 2003
  4. ncbi request reprint Biologically mediated transport of contaminants to aquatic systems
    Jules M Blais
    Program for Chemical and Environmental Toxicology, Department of Biology, University of Ottawa, Ottawa, Ontario, K1N 6N5, Canada
    Environ Sci Technol 41:1075-84. 2007
  5. ncbi request reprint Arctic seabirds transport marine-derived contaminants
    Jules M Blais
    Centre for Advanced Research in Environmental Genomics, Department of Biology, University of Ottawa, Ottawa, Ontario, K1N 6N5 Canada
    Science 309:445. 2005
  6. ncbi request reprint Concentrations of organochlorine pesticides and polychlorinated biphenyls in amphipods (Gammarus lacustris) along an elevation gradient in mountain lakes of western Canada
    Jules M Blais
    Department of Biological Sciences, University of Alberta, Edmonton, Alberta, T6G 2E9, Canada
    Environ Toxicol Chem 22:2605-13. 2003
  7. doi request reprint A soil ingestion pilot study of a population following a traditional lifestyle typical of rural or wilderness areas
    J R Doyle
    Chemical and Environmental Toxicology Program, University of Ottawa, Ottawa, Canada
    Sci Total Environ 424:110-20. 2012
  8. ncbi request reprint Organochlorine pesticide and polychlorinated biphenyl concentrations in snow, snowmelt, and runoff at Bow Lake, Alberta
    Melissa J Lafrenière
    Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Canada
    Environ Sci Technol 40:4909-15. 2006
  9. doi request reprint Localized enrichment of polycyclic aromatic hydrocarbons in soil, spruce needles, and lake sediments linked to in-situ bitumen extraction near Cold Lake, Alberta
    J B Korosi
    30 Marie Curie Pvt, Department of Biology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada Electronic address
    Environ Pollut 182:307-15. 2013
  10. doi request reprint Historical analysis of salmon-derived polychlorinated biphenyls (PCBs) in lake sediments
    Eva M Krümmel
    Inuit Circumpolar Council ICC, Canada Office, 75 Albert St, Suite 1001, Ottawa, Ontario, Canada K1P 5E7
    Sci Total Environ 407:1977-89. 2009

Collaborators

Detail Information

Publications38

  1. ncbi request reprint Melting glaciers: a major source of persistent organochlorines to subalpine Bow Lake in Banff National Park, Canada
    J M Blais
    University of Ottawa, 30 Marie Curie Rd, Ottawa, Ontario, Canada, KIN 6N5
    Ambio 30:410-5. 2001
    ..Organochlorines from glacial streams were largely in dissolved form because the organic-poor glacial clays had a limited sorption capacity for the more hydrophobic chemicals...
  2. ncbi request reprint Mercury, polybrominated diphenyl ether, organochlorine pesticide, and polychlorinated biphenyl concentrations in fish from lakes along an elevation transect in the French Pyrénées
    Jules M Blais
    Department of Biology, University of Ottawa, 30 Marie Curie, Ottawa, Ont, Canada K1N 6N5
    Ecotoxicol Environ Saf 63:91-9. 2006
    ..This implies that the delivery and/or retention of many of these contaminants increase with lake elevation...
  3. ncbi request reprint Assessment and characterization of polychlorinated biphenyls near a hazardous waste incinerator: analysis of vegetation, snow, and sediments
    Jules M Blais
    Department of Biological Sciences, University of Alberta, Edmonton, Alberta T6G 2E9, Canada
    Environ Toxicol Chem 22:126-33. 2003
    ....
  4. ncbi request reprint Biologically mediated transport of contaminants to aquatic systems
    Jules M Blais
    Program for Chemical and Environmental Toxicology, Department of Biology, University of Ottawa, Ottawa, Ontario, K1N 6N5, Canada
    Environ Sci Technol 41:1075-84. 2007
    ..We conclude that biovector transport should not be neglected when considering environmental risks of biomagnifying contaminants...
  5. ncbi request reprint Arctic seabirds transport marine-derived contaminants
    Jules M Blais
    Centre for Advanced Research in Environmental Genomics, Department of Biology, University of Ottawa, Ottawa, Ontario, K1N 6N5 Canada
    Science 309:445. 2005
    ..Bird guano greatly stimulates biological productivity in these extreme environments but also serves as a major source of industrial and agricultural pollutants in these remote ecosystems...
  6. ncbi request reprint Concentrations of organochlorine pesticides and polychlorinated biphenyls in amphipods (Gammarus lacustris) along an elevation gradient in mountain lakes of western Canada
    Jules M Blais
    Department of Biological Sciences, University of Alberta, Edmonton, Alberta, T6G 2E9, Canada
    Environ Toxicol Chem 22:2605-13. 2003
    ..Because Gammarus is an important trophic link in aquatic foodwebs in these environments, enhanced concentrations of toxicants in prey may increase their biomagnification in top predators of high-altitude lakes...
  7. doi request reprint A soil ingestion pilot study of a population following a traditional lifestyle typical of rural or wilderness areas
    J R Doyle
    Chemical and Environmental Toxicology Program, University of Ottawa, Ottawa, Canada
    Sci Total Environ 424:110-20. 2012
    ..However, the estimates are lower than the earlier qualitative assessments of subsistence lifestyles...
  8. ncbi request reprint Organochlorine pesticide and polychlorinated biphenyl concentrations in snow, snowmelt, and runoff at Bow Lake, Alberta
    Melissa J Lafrenière
    Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Canada
    Environ Sci Technol 40:4909-15. 2006
    ..The results indicate that the extent of glacial ice melt may be more important than mean snowpack burdens as a control on OC concentrations in runoff in glacial catchments...
  9. doi request reprint Localized enrichment of polycyclic aromatic hydrocarbons in soil, spruce needles, and lake sediments linked to in-situ bitumen extraction near Cold Lake, Alberta
    J B Korosi
    30 Marie Curie Pvt, Department of Biology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada Electronic address
    Environ Pollut 182:307-15. 2013
    ..Evidence of localized PAH contamination in Hilda Lake and two soil samples suggests that continued environmental monitoring is justified to assess PAH contamination as development intensifies...
  10. doi request reprint Historical analysis of salmon-derived polychlorinated biphenyls (PCBs) in lake sediments
    Eva M Krümmel
    Inuit Circumpolar Council ICC, Canada Office, 75 Albert St, Suite 1001, Ottawa, Ontario, Canada K1P 5E7
    Sci Total Environ 407:1977-89. 2009
    ....
  11. ncbi request reprint Orographic cold-trapping of persistent organic pollutants by vegetation in mountains of western Canada
    Deborah A Davidson
    Program for Chemical and Environmental Toxicology, Department of Biology, University of Ottawa, P O Box 450, Station A, Ottawa, Ontario, Canada K1N 6N5
    Environ Sci Technol 37:209-15. 2003
    ..Results from this study demonstrate that alpine ecosystems accumulate these chemicals to the same degree that is observed in polar environments that are known to receive contaminants by long-range transport...
  12. ncbi request reprint Dichlorodiphenyltrichloroethane in the aquatic ecosystem of the Okavango Delta, Botswana, South Africa
    Bontle Mbongwe
    Department of Biology, University of Ottawa, 30 Marie Curie Road, Ottawa, Ontario K1N 6N5, Canada
    Environ Toxicol Chem 22:7-19. 2003
    ....
  13. pmc Seabird-driven shifts in Arctic pond ecosystems
    Neal Michelutti
    Paleoecological Environmental Assessment and Research Laboratory PEARL, Department of Biology, Queen s University, Kingston, Ontario, Canada K7L 3N6
    Proc Biol Sci 276:591-6. 2009
    ..Our findings suggest that climate-related shifts in global seabird populations will have the unexpected consequence of restructuring coastal ecosystems...
  14. ncbi request reprint Air-water gas exchange of chlorinated pesticides in four lakes spanning a 1,205 meter elevation range in the Canadian Rocky Mountains
    Andrew C Wilkinson
    Program for Chemical and Environmental Toxicology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
    Environ Toxicol Chem 24:61-9. 2005
    ..In general, losses of pesticides by outflow were greater than the amount exchanged across the air-water interface in these lakes...
  15. doi request reprint A pilot study to assess the feasibility of using naturally-occurring radionuclides as mass balance tracers to estimate soil ingestion
    J R Doyle
    Chemical and Environmental Toxicology Program, University of Ottawa, Ottawa, Ontario, Canada
    Ecotoxicol Environ Saf 83:34-40. 2012
    ....
  16. ncbi request reprint Aquatic ecology: delivery of pollutants by spawning salmon
    E M Krümmel
    Department of Biology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
    Nature 425:255-6. 2003
  17. ncbi request reprint Air-vegetation partitioning of polychlorinated biphenyls near a point source
    Clement Poon
    Department of Chemistry, University of Ottawa, Ontario, Canada
    Environ Toxicol Chem 24:3153-8. 2005
    ..Multivariate principal components analysis showed that PCB composition in vegetation near the emission source most closely resembled the Aroclor mixtures processed by the treatment facility...
  18. doi request reprint Contamination of an arctic terrestrial food web with marine-derived persistent organic pollutants transported by breeding seabirds
    Emily S Choy
    Department of Biology, University of Ottawa, ON, Canada
    Environ Pollut 158:3431-8. 2010
    ..Our study provides novel contaminant data for these species and supports biovector transport as a source of organic contaminants to certain components of the terrestrial food web...
  19. doi request reprint An isotopic investigation of mercury accumulation in terrestrial food webs adjacent to an Arctic seabird colony
    Emily S Choy
    Program for Chemical and Environmental Toxicology, Department of Biology, University of Ottawa, Ottawa, ON, Canada
    Sci Total Environ 408:1858-67. 2010
    ....
  20. doi request reprint Mercury transport between sediments and the overlying water of the St. Lawrence River area of concern near Cornwall, Ontario
    Tania M Delongchamp
    Department of Biology, University of Ottawa, 150 Louis Pasteur, Ottawa, Ontario K1N 6N5, Canada
    Environ Pollut 158:1487-93. 2010
    ....
  21. ncbi request reprint Persistent organic pollutants in air and vegetation from the Canadian Rocky Mountains
    Deborah A Davidson
    Program for Chemical and Environmental Toxicology, Department of Biology, University of Ottawa, P O Box 450, Station A, Ottawa, Ontario KIN 6N5, Canada
    Environ Toxicol Chem 23:540-9. 2004
    ..Based on these observations, we show that both deposition at higher altitudes and long-range atmospheric transport influence chemical accumulation in vegetation from the Canadian Rocky Mountains...
  22. ncbi request reprint Organochlorine compounds in trout from lakes over a 1600 meter elevation gradient in the Canadian Rocky Mountains
    Marc J Demers
    Centre for Advanced Research in Environmental Genomics, Department of Biology, University of Ottawa, 30 Marie Curie, Ottawa, Ontario, KIN 6N5, Canada
    Environ Sci Technol 41:2723-9. 2007
    ..Using principal component analysis (PCA), we identified the importance of lake elevation and octanol/water partition coefficient (K(ow)) to the OC composition of trout...
  23. ncbi request reprint Concentrations and fluxes of salmon-derived polychlorinated biphenyls (PCBs) in lake sediments
    Eva M Krümmel
    Department of Biology, University of Ottawa, 150 Louis Pasteur, Ottawa, Ontario KIN 6N5, Canada
    Environ Sci Technol 39:7020-6. 2005
    ..Unlike temperate Great Lakes contaminant studies, the North American west-coast lakes dominated by salmon bio-transport showed no sign of recent decrease in PCBs...
  24. ncbi request reprint Modeling atmospheric vegetation uptake of PBDEs using field measurements
    Annick D St-Amand
    Department of Chemistry, University of Ottawa, 10 Marie Curie, Ottawa, Ontario K1N 6N5
    Environ Sci Technol 41:4234-9. 2007
    ..This study provides the necessary background for modeling PBDE transport between air and coniferous vegetation globally...
  25. doi request reprint Soil ingestion rate determination in a rural population of Alberta, Canada practicing a wilderness lifestyle
    G Irvine
    30 Marie Curie, Pvt, Department of Biology, University of Ottawa, Ottawa, Ontario, Canada, K1N 6N5 Electronic address
    Sci Total Environ 470:138-46. 2014
    ..These soil ingestion values are greater than the standard recommended soil ingestion rates for HHRA from Health Canada, and are similar to soil ingestion estimates found in the only other study on a rural population. ..
  26. doi request reprint Mercury empirical relationships in sediments from three Ontario lakes
    A L M Ethier
    Biology Department, Faculty of Science, University of Ottawa, P O Box 450, Stn A, Ottawa, ON, Canada
    Sci Total Environ 408:2087-95. 2010
    ..009 TOC (%)+0.001 Eh (mV)-1.902, p=0.026]; whereas THg was positively correlated with TOC [log THg (ppb)=0.026 TOC (%)+1.400, p<0.0001]...
  27. doi request reprint Polychlorinated biphenyls (PCBs) contamination and aryl hydrocarbon receptor (AhR) agonist activity of Omega-3 polyunsaturated fatty acid supplements: implications for daily intake of dioxins and PCBs
    J A Bourdon
    Mechanistic Studies Division, Environmental Health Sciences and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, ON, Canada
    Food Chem Toxicol 48:3093-7. 2010
    ..Further research will be necessary to draw firm conclusions...
  28. doi request reprint Preliminary assessment of avian stomach oils: a vector of contaminants to chicks and potential for diet analysis and biomonitoring
    Karen L Foster
    Program for Chemical and Environmental Toxicology, Department of Biology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
    Environ Sci Technol 44:6869-74. 2010
    ....
  29. doi request reprint A survey of the traditional food consumption that may contribute to enhanced soil ingestion in a Canadian First Nation community
    J R Doyle
    Chemical and Environmental Toxicology Program, University of Ottawa, Ottawa, Canada
    Sci Total Environ 424:104-9. 2012
    ....
  30. ncbi request reprint Tracing salmon-derived nutrients and contaminants in freshwater food webs across a pronounced spawner density gradient
    Irene Gregory-Eaves
    Department of Biology, McGill University, 1205 Docteur Penfield, Montreal, Quebec, H3A 1B1, Canada
    Environ Toxicol Chem 26:1100-8. 2007
    ..These data suggest that the anadromous salmon nutrient and contaminant pathways are related and significantly impact the contaminant burden of resident fish...
  31. doi request reprint Bioaccumulation of the pharmaceutical 17alpha-ethinylestradiol in shorthead redhorse suckers (Moxostoma macrolepidotum) from the St. Clair River, Canada
    Ahmed M Al-Ansari
    University of Ottawa, Department of Biology, Chemical and Environmental Toxicology, Ottawa, Ontario K1N 6N5, Canada
    Environ Pollut 158:2566-71. 2010
    ..512, p<0.01, n=10). Lipid normalized EE2 concentrations were correlated with delta(15)N (R(2)=0.436, p<0.05, n=10), suggesting higher EE2 exposures in carnivores. Our data support the hypothesis of EE2 bioaccumulation in wild fish...
  32. doi request reprint Mass balance soil ingestion estimating methods and their application to inhabitants of rural and wilderness areas: a critical review
    James R Doyle
    Chemical and Environmental Toxicology Program, University of Ottawa, Ottawa, Canada
    Sci Total Environ 408:2181-8. 2010
    ..Given the typically small populations in these areas, future soil ingestion studies should be focused on specific activities with a high potential for soil ingestion...
  33. ncbi request reprint Polychlorinated dibenzo-p-dioxin, polychlorinated dibenzofuran, and polychlorinated biphenyl accumulation in white-tailed deer (Odocoileus virginianus) near a magnesium smelter in Quebec, Canada
    Cecilia Tolley
    Department of Biology, University of Ottawa, Ontario, Canada
    Environ Toxicol Chem 26:2650-9. 2007
    ....
  34. doi request reprint Temporal analysis of net fluvial methylmercury loading in a dystrophic and a clear water lake
    R Brad Mills
    Chemical and Environmental Toxicology, Department of Biology, University of Ottawa, 30 Marie Curie Street, Ottawa, Ontario, Canada K1N 6N5
    Sci Total Environ 407:4696-702. 2009
    ..Seasonal patterns of MeHg(Net) in the oligotrophic lake lagged behind the dystrophic lake by 39 days. The short term variation in MeHg(Net) was dominated by precipitation (t=2.73, p=0.008; dystrophic, t=2.53, p=0.017; oligotrophic)...
  35. doi request reprint Sediment mercury dynamics and historical trends of mercury deposition in the St. Lawrence River area of concern near Cornwall, Ontario, Canada
    Tania M Delongchamp
    Department of Biology, University of Ottawa, 150 Louis Pasteur, Ottawa, Ontario, Canada
    Sci Total Environ 407:4095-104. 2009
    ..Methyl mercury showed surface enrichment in most of these sediment cores providing evidence that mercury methylation occurred most rapidly near the sediment surface...
  36. doi request reprint Sex- and tissue-specific effects of waterborne estrogen on estrogen receptor subtypes and E2-mediated gene expression in the reproductive axis of goldfish
    Vicki L Marlatt
    Centre for Advanced Research in Environmental Genomics, Department of Biology, University of Ottawa, Ottawa, ON, Canada
    Comp Biochem Physiol A Mol Integr Physiol 156:92-101. 2010
    ..These studies reveal a more complicated action of estrogenic compounds that has important implications on estrogenic endocrine disruptors in teleosts...
  37. doi request reprint Prediction of SVOC vegetation and atmospheric concentrations using calculated deposition velocities
    Annick D St-Amand
    Department of Chemistry, University of Ottawa, Ottawa, Ontario, Canada
    Environ Int 35:851-5. 2009
    ....
  38. pmc Prehistoric Inuit whalers affected Arctic freshwater ecosystems
    Marianne S V Douglas
    Paleoenvironmental Assessment Laboratory, Department of Geology, University of Toronto, 22 Russell Street, Toronto, Ontario, Canada M5S 3B1
    Proc Natl Acad Sci U S A 101:1613-7. 2004
    ..This is the earliest reported paleolimnological record of changes in aquatic ecology associated with local human activities in Canada or the United States, or for any circumpolar ecosystem...