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Isabelle Laurion


Regular member

Centre Eau-Terre-Environnement, INRS-ETE

Institut national de la recherche scientifique (INRS-ETE) 490, rue de la Couronne
Quebec, Canada
G1K 9A9




Research Themes

  • Influence of lake thermal regime and dissolved organic matter on planktonic productivity and gas exchanges.
  • Thermokarst ponds in subarctic and arctic regions: history, optics, carbon cycle and microbial diversity.
  • Tools for optical detection of algal blooms in lakes.

CEN Students / Postdoctoral fellows

Matveev, Alex (Post-Doctorate fellow - Codirector). Greenhouse gas concentrations and fluxes in the Great Whale River.

Mazoyer, Flora (Doctorate). Sunlight effects on the carbon mobilized by permafrost thawing in small Arctic and Subarctic lakes.

Narancic, Biljana (Post-Doctorate fellow). Domestic wastewater streamflow impact assessment on water quality of lake St. Charles (Québec) using water isotope and limnological tracers.

Pacoureau, Thomas (Doctorate). Priming effect induced by primary production on terrestrially-derived organic carbon mobilized by permafrost thawing in small arctic lakes.

Preskienis, Vilmantas (Doctorate). Greenhouse gas emissions from Arctic lakes and ponds as influenced by carbon lability.


Recent CEN theses

Matveev, Alex , 2018 (Doctorate - Codirection). Biogeochemical gas dynamics of microbial ecosystems of arctic thermokarst lakes.


Scientific communications

Matveev, A., Laurion, I., Vincent, W.F., 2018. Methane and carbon dioxide emissions from thermokarst lakes on mineral soils. Arctic Science, 4(4): 584-604. DOI: 10.1139/as-2017-0047.

Wauthy, M., Rautio, M., Christoffersen, K.S., Forsström, L., Laurion, I., Mariash, H., Peura, S., Vincent, W.F., 2018. Increasing dominance of terrigenous organic matter in circumpolar freshwaters due to permafrost thaw. Limnology and Oceanography Letters, 3(3 - Special Issue: Carbon cycling in inland waters: Progress and perspectives): 186-198. DOI: 10.1002/lol2.10063.

Abbott, B.W., Jones, J.B., Schuur, E.A., Chapin III, F.S., Bowden, W.B., Bret-Harte, M.S., Epstein, H.E., Flannigan, M.D., Harms, T.K., Hollingsworth, T.N., Mack, M.C., McGuire, D.A., Natali, S.M., Rocha, A.V., Tank, S.E., Turetsky, M.R., Vonk, J.E., Wickland, K.P., Aiken, G.R., Alexander, H.D., Amon, R.M.W., Benscoter, B.W., Bergeron, Y., Bishop, K., Blarquez, O., Bond-Lamberty, B., Breen, A.L., Buffam, I., Cai, Y., Carcaillet, C., Carey, S.K., Chen, J.M., Chen, H.Y.H., Christensen, T.R., Cooper, L.W., Cornelissen, J.H.C., de Groot, W.J., DeLuca, T.H., Dorrepaal, E., Fetcher, N., Finlay, J.C., Forbes, B.C., French, N.H.F., Gauthier, S., Girardin, M.P., Goetz, S.J., Goldammer, J.G., Gough, L., Grogan, P., Guo, L., Higuera, P.E., Hinzman, L., Hu, F.S., Hugelius, G., Jafarov, E.E., Jandt, R., Johnstone, J.F., Karlsson, J., Kasischke, E.S., Kattner, G., Kelly, R., Keuper, F., Kling, G.W., Kortelainen, P., Kouki, J., Kuhry, P., Laudon, H., Laurion, I., Macdonald, R.W., Mann, P.J., Martikainen, P.J., McClelland, J.W., Molau, U., Oberbauer, S.F., Olefeldt, D., Paré, D., Parisien, M.-A., Payette, S., Peng, C., Pokrovsky, O.S., Rastetter, E.B., Raymond, P.A., Raynolds, M.K., Rein, G., Reynolds, J.F., Robard, M., Rogers, B.M., Schädel, C., Schaefer, K., Schmidt, I.K., Shvidenko, A., Sky, J., Spencer, R.G.M., Starr, G., Striegl, R.G., Teisserence, R., Tranvik, L.J., Virtanen, T., Welker, J.M., Zimov, S., 2016. Biomass offsets little or none of permafrost carbon release from soils, streams, and wildfire: an expert assessment. Environmental Research Letters, 11: 034014. DOI: 10.1088/1748-9326/11/3/034014.

Bartosiewicz, M., Laurion, I., Clayer, F., Maranger, R., 2016. Heat-wave effects on oxygen, nutrients, and phytoplankton can alter global warming potential of gases emitted from a small shallow lake. Environmental Science & Technology, 50(12): 6267-6275. DOI: 10.1021/acs.est.5b06312.

Glaz, P., Bartosiewicz, M., Laurion, I., Reichwaldt, E.S., Maranger, R., Ghadouani, A., 2016. Greenhouse gas emissions from waste stabilisation ponds in Western Australia and Quebec (Canada). Water Research, 101: 64-74. DOI: 10.1016/j.watres.2016.05.060.

Laurion, I., Vonk, J.E., Vincent, W.F., Brovkin, V. (Editors), 2016. Freshwater ecosystems in changing permafrost landscapes, Biogeosciences - Special issue 173.

Matveev, A., Laurion, I., Deshpande, B., Bhiry, N., Vincent, W.F., 2016. High methane emissions from thermokarst lakes in subarctic peatlands. Limnology and Oceanography, 61(S1 - Special Issue: Methane Emissions from Oceans, Wetlands, and Freshwater Habitats: New Perspectives and Feedbacks on Climate): S150-S164. DOI: 10.1002/lno.10311.

Negandhi, K., Laurion, I., Lovejoy, C., 2016. Temperature effects on net greenhouse gas production and bacterial communities in arctic thaw ponds. FEMS Microbiology Ecology, 92(8): fiw117. DOI: 10.1093/femsec/fiw117.

Przytulska-Bartosiewicz, A., Comte, J., Crevecoeur, S., Lovejoy, C., Laurion, I., Vincent, W.F., 2016. Phototrophic pigment diversity and picophytoplankton in permafrost thaw lakes. Biogeosciences, 13: 13-26. DOI: 10.5194/bg-13-13-2016.

Bartosiewicz, M., Laurion, I., MacIntyre, S., 2015. Greenhouse gas emission and storage in a small shallow lake. Hydrobiologia, 757: 101-115. DOI: 10.1007/s10750-015-2240-2.

Bouchard, F., Laurion, I., Preskienis, V., Fortier, D., Xu, X., Whiticar, M.J., 2015. Modern to millennium-old greenhouse gases emitted from ponds and lakes of the Eastern Canadian Arctic (Bylot Island, Nunavut). Biogeosciences, 12(23): 7279–7298. DOI: 10.5194/bg-12-7279-2015.

Darroch, L.J., Lavoie, M., Levasseur, M., Laurion, I., Sunda, W., Michaud, S., Scarratt, M., Gosselin, M., Carrier, A., 2015. Effect of short-term light- and UV-stress on DMSP, DMS, and DMSP lyase activity in Emiliania huxleyi. Aquatic Microbial Ecology, 74: 173-185. DOI: 10.3354/ame01735.

MacMillan, G.A., Girard, C., Chételat, J., Laurion, I., Amyot, M., 2015. High methylmercury in arctic and subarctic ponds is related to nutrient levels in the warming Eastern Canadian Arctic. Environmental Science & Technology, 49(13): 7743-7753. DOI: 10.1021/acs.est.5b00763.

Roiha, T., Laurion, I., Rautio, M., 2015. Carbon dynamics in highly heterotrophic subarctic thaw ponds. Biogeosciences, 12: 7223-7237. DOI: 10.5194/bg-12-7223-2015.

Vonk, J.E., Tank, S.E., Bowden, W.B., Laurion, I., Vincent, W.F., Alekseychik, P., Amyot, M., Billet, M.F., Canário, J., Cory, R.M., Deshpande, B., Helbig, M.J., Jammet, M., Karlsson, J., Larouche, J., MacMillan, G.A., Rautio, M., Walter Anthony, K.M., Wickland, K.P., 2015. Reviews and syntheses: Effects of permafrost thaw on arctic aquatic ecosystems. Biogeosciences, 12(23): 7129–7167. DOI: 10.5194/bgd-12-7129-2015.

Watanabe, S., Laurion, I., Markager, S., Vincent, W.F., 2015. Abiotic control of underwater light in a drinking water reservoir: Photon budget analysis and implications for water quality monitoring. Water Resources Research, 51(8): 6290–6310. DOI: 10.1002/2014WR015617.

Bouchard, F., Francus, P., Pienitz, R., Laurion, I., Feyte, S., 2014. Subarctic thermokarst ponds: investigating recent landscape evolution and sediment dynamics in thawed permafrost of northern Québec (Canada). Arctic, Antarctic, and Alpine Research, 40(1): 259-280. DOI: 10.1657/1938-4246-46.1.259.

El Alem, A., Chokmani, K., Laurion, I., El Adlouni, S., 2014. An adaptive model to monitor chlorophyll-a in inland waters in Southern Quebec using downscaled MODIS imagery. Remote Sensing, 6: 6446-6471. DOI: 10.3390/rs6076446.

Negandhi, K., Laurion, I., Lovejoy, C., 2014. Bacterial communities and greenhouse gas emissions of shallow pondsin the High Arctic. Polar Biology, 37(11): 1669-1683. DOI: 10.1007/s00300-014-1555-1 .

Bouchard, F., Pienitz, R., Ortiz, J.D., Francus, P., Laurion, I., 2013. Palaeolimnological conditions inferred from fossil diatom assemblages and derivative spectral properties of sediments in thermokarst ponds of subarctic Quebec, Canada. Boreas, 42: 575-595. DOI: 10.1111/bor.12000.

Laurion, I., Mladenov, N., 2013. Dissolved organic matter photolysis in Canadian arctic thaw ponds. Environmental Research Letters, 8: 035026. DOI: 10.1088/1748-9326/8/3/035026.

Negandhi, K., Laurion, I., Whiticar, M.J., Galand, P.E., Xu, X., Lovejoy, C., 2013. Small thermokarst ponds: an unaccounted source of methane in the Canadian High Arctic. PLoS one, 8(11): e78204. DOI: 10.1371/journal.pone.0078204.

Rolland, D., Bourget, S., Warren, A., Laurion, I., Vincent, W.F., 2013. Extreme variability of cyanobacterial blooms in an urban drinking water supply. Journal of Plankton Research, 35(4): 744-758. DOI: 10.1093/plankt/fbt042.

Rossi, P.-G., Laurion, I., Lovejoy, C., 2013. Distribution and identity of Bacteria in subarctic permafrost thaw ponds. Aquatic Microbial Ecology, 69: 231-245. DOI: 10.3354/ame01634.

Vincent, W.F., Laurion, I., Pienitz, R., Walter Anthony, K.M., 2013. Climate Impacts on Arctic Lake Ecosystems. Pages 27-42 in Goldman, C.R., Kumagai, M., Robarts, R.D. (Editors). Climatic Change and Global Warming of Inland Waters: Impacts and Mitigation for Ecosystems and Societies. Wiley-Blackwell.

El-Alem, A., Chokmani, K., Laurion, I., El Adlouni, S., 2012. Comparative analysis of four models to estimate chlorophyll-a concentration in case-2 waters using MODerate Resolution Imaging Spectroradiometer (MODIS) imagery. Remote Sensing, 4(8): 2373-2400. DOI: 10.3390/rs4082373.

Vincent, W.F., Martin, D., Pienitz, R., Laurion, I., Muir, D., Young, K.L., Bégin, Y., 2012. Freshwater resources in a changing environment. Pages 137-155 in Allard, M., Lemay, M. (Editors). Nunavik and Nunatsiavut: From science to policy. An Integrated Regional Impact Study (IRIS) of climate change and modernization. ArcticNet Inc. Canada.

Bouchard, F., Francus, P., Pienitz, R., Laurion, I., 2011. Correction to “Sedimentology and geochemistry of thermokarst ponds in discontinuous permafrost, subarctic Quebec, Canada ”. Journal of Geophysical Research - Biogeosciences, 116: G00M05. DOI: 10.1029/2011JG001883.

Bouchard, F., Francus, P., Pienitz, R., Laurion, I., 2011. Sedimentology and geochemistry of thermokarst ponds in discontinuous permafrost, subarctic Quebec, Canada. Journal of Geophysical Research - Biogeosciences, 116: G00M04. DOI: 10.1029/2011JG001675.

Mladenov, N., Sommaruga, R., Morales-Baquero, R., Laurion, I., Camarero, L., Diéguez, M.C., Camacho, A., Delgado, A., Torres, O., Chen, Z., Felip, M., Reche, I., 2011. Dust inputs and bacteria influence dissolved organic matter in clear alpine lakes. Nature Communications, 2: 405. DOI: 10.1038/ncomms1411.

Rautio, M., Dufresne, F., Laurion, I., Bonilla, S.E., Vincent, W.F., Christoffersen, K., 2011. Shallow freshwater ecosystems of the circumpolar Arctic. Écoscience, 18(3 - special issue: 50th Year Anniversary of CEN): 204-222. DOI: 10.2980/18-3-3463.

Watanabe, S., Laurion, I., Chokmani, K., Pienitz, R., Vincent, W.F., 2011. Optical diversity of thaw ponds in discontinuous permafrost: A model system for water color analysis. Journal of Geophysical Research, 116: G02003. DOI: 10.1029/2010JG001380.

Bastien, C., Cardin, R., Veilleux, É., Deblois, C., Warren, A., Laurion, I., 2010. Performance evaluation of phycocyanin probes for the monitoring of cyanobacteria. Journal of Environmental Monitoring, 13(1): 110-118. DOI: 10.1039/C0EM00366B.

Larocque-Tobler, I., Laurion, I., Moschen, R., Stewart, M., 2010. Climate and lacustrine ecosystems. Pages 123-160 in Dodson, J. (Editor). Changing Climates, Earth Systems and Society - International Year of Planet Earth 2010. Springer Science+Business Media B.V. DOI: 10.1007/978-90-481-8716-4_6.

Laurion, I., Vincent, W.F., MacIntyre, S., Retamal, L., Dupont, C., Francus, P., Pienitz, R., 2010. Variability in greenhouse gas emissions from permafrost thaw ponds. Limnology and Oceanography, 55(1): 115-133.

Warren, A., Drogui, P., Laurion, I., 2010. Revue sur l’état actuel des connaissances des procédés utilisés pour l’élimination des cyanobactéries et cyanotoxines lors de la potabilisation des eaux. Revue des Sciences de l’eau, 23(4): 391-412.

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