Dr. John Chételat

Image John Chételat
Chercheur scientifique - Écotoxicologie des métaux

Recherche et / ou projets en cours

Contribuer au mandat d'Environnement et Changement climatique Canada de prévenir la pollution dans l'environnement et de protéger la santé environnementale :

• Bioaccumulation de métaux dans la faune et les réseaux trophiques

• Impacts des changements climatiques sur le devenir des métaux dans l'environnement

• Traceurs isotopiques de la pollution métallique

• Empoisonnement au plomb chez les oiseaux

• Contamination par les métaux dans les écosystèmes arctiques

 

Activités professionnelles / intérêts

• Coprésident du groupe d'experts sur le mercure pour l'organisme Arctic Monitoring and Assessment Programme
• Contribuer aux rapports d'évaluation scientifique sur la pollution par le mercure
• Superviseur de projets de recherche des étudiants de premier cycle et des cycles supérieurs
• Collaborateur à la surveillance communautaire des métaux dans l'environnement dans le Nord

Prix et études

Ph.D., Sciences biologiques, Université de Montréal, 2009

M.Sc., Biologie, University of Ottawa, 1999

B.Sc. (Hons.), Biologie, University of Ottawa, 1996

 

Principales publications

Chételat, J., McKinney, M.A., Amyot, M., Dastoor, A., Douglas, T.A., Heimbürger-Boavida, L.E., Kirk, J., Kahilainen, K.K., Outridge, P.M., Pelletier, N., Skov, H., St. Pierre, K., Vuorenmaa, J., Wang, F., 2022. Climate change and mercury in the Arctic: Abiotic interactions. Science of the Total Environment 824.

Chételat, J., Cousens, B., Hebert, C.E., Jung, T.S., Mundy, L., Thomas, P.J., Zhang, S., 2022. Isotopic evidence for bioaccumulation of aerosol lead in fish and wildlife of western Canada. Environmental Pollution 302, 119074.

Pelletier, N., Chételat, J., Sinon, S., Vermaire, J.C., 2022. Wildfires trigger multi-decadal increases in sedimentation rate and metal loading to subarctic montane lakes. Science of the Total Environment 824.

Chételat, J., Nielsen, S.G., Auro, M., Carpenter, D., Mundy, L., Thomas, P.J., 2021. Vanadium Stable Isotopes in Biota of Terrestrial and Aquatic Food Chains. Environmental Science and Technology 55, 4813-4821.

Chételat, J., Shao, Y., Richardson, M.C., MacMillan, G.A., Amyot, M., Drevnick, P.E., Gill, H., Köck, G., Muir, D.C.G., 2021. Diet influences on growth and mercury concentrations of two salmonid species from lakes in the eastern Canadian Arctic. Environmental Pollution 268.

Hebert, C.E., Chételat, J., Beck, R., Dolgova, S., Fordy, K., Kirby, P., Martin, P., Rabesca, M., 2021. Inter-annual variation of mercury in aquatic bird eggs and fish from a large subarctic lake under a warming climate. Science of the Total Environment 766.

Palmer, M.J., Chételat, J., Jamieson, H.E., Richardson, M., Amyot, M., 2021. Hydrologic control on winter dissolved oxygen mediates arsenic cycling in a small subarctic lake. Limnology and Oceanography 66, S30-S46.

Chételat, J., Ackerman, J.T., Eagles-Smith, C.A., Hebert, C.E., 2020. Methylmercury exposure in wildlife: A review of the ecological and physiological processes affecting contaminant concentrations and their interpretation. Science of the Total Environment 711.

Pelletier, N., Chételat, J., Blarquez, O., Vermaire, J.C., 2020. Paleolimnological Assessment of Wildfire-Derived Atmospheric Deposition of Trace Metal(loid)s and Major Ions to Subarctic Lakes (Northwest Territories, Canada). Journal of Geophysical Research: Biogeosciences 125.

Pelletier, N., Chételat, J., Cousens, B., Zhang, S., Stepner, D., Muir, D.C.G., Vermaire, J.C., 2020. Lead contamination from gold mining in Yellowknife Bay (Northwest Territories), reconstructed using stable lead isotopes. Environmental Pollution 259.

Chételat, J., Cott, P.A., Rosabal, M., Houben, A., McClelland, C., Rose, E.B., Amyot, M., 2019. Arsenic bioaccumulation in subarctic fishes of a mine-impacted bay on Great Slave Lake, Northwest Territories, Canada. PLoS ONE 14.

Palmer, M.J., Chételat, J., Richardson, M., Jamieson, H.E., Galloway, J.M., 2019. Seasonal variation of arsenic and antimony in surface waters of small subarctic lakes impacted by legacy mining pollution near Yellowknife, NT, Canada. Science of the Total Environment 684, 326-339.

Chételat, J., Hickey, M.B.C., Poulain, A.J., Dastoor, A., Ryjkov, A., McAlpine, D., Vanderwolf, K., Jung, T.S., Hale, L., Cooke, E.L.L., Hobson, D., Jonasson, K., Kaupas, L., McCarthy, S., McClelland, C., Morningstar, D., Norquay, K.J.O., Novy, R., Player, D., Redford, T., Simard, A., Stamler, S., Webber, Q.M.R., Yumvihoze, E., Zanuttig, M., 2018. Spatial variation of mercury bioaccumulation in bats of Canada linked to atmospheric mercury deposition. Science of the Total Environment 626, 668-677.

Chételat, J., Richardson, M.C., Macmillan, G.A., Amyot, M., Poulain, A.J., 2018. Ratio of Methylmercury to Dissolved Organic Carbon in Water Explains Methylmercury Bioaccumulation Across a Latitudinal Gradient from North-Temperate to Arctic Lakes. Environmental Science and Technology 52, 79-88.

Braune, B., Chételat, J., Amyot, M., Brown, T., Clayden, M., Evans, M., Fisk, A., Gaden, A., Girard, C., Hare, A., Kirk, J., Lehnherr, I., Letcher, R., Loseto, L., Macdonald, R., Mann, E., McMeans, B., Muir, D., O'Driscoll, N., Poulain, A., Reimer, K., Stern, G., 2015. Mercury in the marine environment of the Canadian Arctic: Review of recent findings. Science of the Total Environment 509-510, 67-90.

Chételat, J., Amyot, M., Arp, P., Blais, J.M., Depew, D., Emmerton, C.A., Evans, M., Gamberg, M., Gantner, N., Girard, C., Graydon, J., Kirk, J., Lean, D., Lehnherr, I., Muir, D., Nasr, M., Poulain, A.J., Power, M., Roach, P., Stern, G., Swanson, H., van der Velden, S., 2015. Mercury in freshwater ecosystems of the Canadian Arctic: Recent advances on its cycling and fate. Science of the Total Environment 509-510, 41-66.

Gamberg, M., Chételat, J., Poulain, A.J., Zdanowicz, C., Zheng, J., 2015. Mercury in the Canadian Arctic Terrestrial Environment: An Update. Science of the Total Environment 509-510, 28-40.

Douglas, T.A., Loseto, L.L., MacDonald, R.W., Outridge, P., Dommergue, A., Poulain, A., Amyot, M., Barkay, T., Berg, T., Chetelat, J., Constant, P., Evans, M., Ferrari, C., Gantner, N., Johnson, M.S., Kirk, J., Kroer, N., Larose, C., Lean, D., Nielsen, T.G., Poissant, L., Rognerud, S., Skov, H., Sørensen, S., Wang, F., Wilson, S., Zdanowicz, C.M., 2012. The fate of mercury in Arctic terrestrial and aquatic ecosystems, a review. Environmental Chemistry 9, 321-355.

Stern, G.A., Macdonald, R.W., Outridge, P.M., Wilson, S., Chételat, J., Cole, A., Hintelmann, H., Loseto, L.L., Steffen, A., Wang, F., Zdanowicz, C., 2012. How does climate change influence arctic mercury? Science of the Total Environment 414, 22-42.

Installation de recherche

Carleton University, 1125, promenade Colonel By
Ottawa, ON K1A 0H3
Canada

Affiliations

Adjunct Research Professor, Department of Geography and Environmental Studies, Carleton University

Langue

Anglais
Français