Groupe de Recherche Interuniversitaire en Limnologie et en Environnement Aquatique



Professeur titulaire

Chaire UNESCO en changements

environnementaux à l’échelle du globe

Président de la International Society of Limnology


Tel: 514-987-3000 poste 4870
Fax: 514-987-3000 poste 4647

Prof. Yves Prairie

Intérêts de recherche / Research interests

  1. -Biogéochimie des nutriments et du carbone

  2. -Limnologie à l’échelle globale

Comités de rédaction / Editorial committees

Rédacteur Associé, Canadian Journal of Fisheries and Aquatic Sciences


1988 -                  Professeure agrégée / Associate Professor     

                            Université du Québec à Montréal

2000 - 2008        Directeur du GRIL - UQAM

                           Université du Québec à Montréal

1988                   Boursier postdoctoral

                           Université de Constance (Allemagne)

1897                   Ph.D., McGill University

1984                   B.Sc., McGill University

Équipe / Team


Tonya del Sontro

Patricia Pernica

Agente de recherche

Sara Mercier-Blais


Cynthia Soueid

Paula Campos Reis

Ryan Hutchins  (co-supervisé, avec P. del Giorgio, UQAM)

Shoji Thottathil (co-supervisé, avec P. del Giorgio, UQAM)


Ji-Hyeon Kim




  1. 1)Mercier-Blais S, BE Beisner and YT Prairie. In revision. Shift in the sink-source carbon balance of lakes following thermocline deepening. Inland Waters.

  2. 2)Del Sontro, T. Boutet, L., St-Pierre, A., Prairie, Y.T. and del Giorgio, P.A. 2016. Methane ebullition and diffusion from northern ponds and lakes regulated by the interaction between temperature and system productivity. Limnol. Oceanogr. doi: 10.1002/lno.10335

  3. 3)Kim, Y, NT Roulet, C Li, S Frolking, IB Strachan, C Peng, CR Teodoru, YT Prairie, A Tremblay. 2016. Simulating carbon dioxide exchange in boreal ecosystems flooded by reservoirs. Ecological Modelling 327: 1-17.

  4. 4)D Vachon, YT Prairie, F Guillemette, PA del Giorgio. Modeling Allochthonous Dissolved Organic Carbon Mineralization Under Variable Hydrologic Regimes in Boreal Lakes. Ecosystems: 1-15.

  5. 5)Li, M, PA Giorgio, AHParkes, YT Prairie. 2015. The relative influence of topography and land cover on inorganic and organic carbon exports from catchments in southern Quebec, Canada. Journal of Geophysical Research: Biogeosciences 120: 2562-2578.

  6. 6)AJ Heathcote, NJ Anderson, YT Prairie, DR Engstrom, PA Del Giorgio. 2015. Large increases in carbon burial in northern lakes during the Anthropocene. Nature Communications 6.

  7. 7)Ducharme-Riel, V, D Vachon, PA del Giorgio and YT Prairie. 2015. The relative contribution of winter under-ice and summer hypolimnetic CO2 accumulation to the annual CO2 emissions from northern lakes. Ecosystems 18: 547-559

  8. 8)Heathcote, AJ, PA delGiorgio and YT Prairie. 2015 Predicting bathymetric features of lakes from the topography of their surrounding landscape. Canadian Journal of Fisheries and Aquatic Sciences 72: 643-650.

  9. 9)Rasilo, T, YT Prairie and PA delGiorgio. 2015. Large-scale patterns in summer diffusive CH4 fluxes across boreal lakes, and contribution to diffusive C emissions. Global Change Biology 21:1125-1139.

  10. 10)Bogard, MJ, PA del Giorgio, L Boutet, MCG Chaves, YT Prairie, A Merante and AM Derry. 2014. Oxic water column methanogenesis as a major component of aquatic CH4 fluxes. Nature Communications

  11. 11)Stubbins, A, JF Lapierre, M Berggen, YT Prairie, T Dittmar and PA del Giorgio. 2014. What's in an EEM? Molecular Signatures Associated with Dissolved Organic Fluorescence in Boreal Canada. Environmental Science and Technology 48: 10598-10606. 

  12. 12)Ferland ME, YT Prairie, C Teodoru and PA delGiorgio. 2014. Linking organic carbon sedimentation, burial efficiency and long-term accumulation in boreal lakes. Journal of Geophysical Research – Biogeosciences 119: 836-847.

  13. 13)Gauthier J, YT Prairie and BE Beisner. 2014. Thermocline deepening and mixing alter zooplankton phenology, biomass and body size in a whole‐lake experiment. Freshwater Biology 59: 998-1011.

  14. 14)Weyhenmeyer GA, YT Prairie and LJ Tranvik. 2014. Browning of Boreal Freshwaters Coupled to Carbon-Iron Interactions along the Aquatic Continuum. PLoS one 9.

  15. 15)Vachon D and YT Prairie. 2013. The ecosystem size and shape dependence of gas transfer velocity versus wind speed relationships in lakes. Canadian Journal of Fisheries and Aquatic Sciences 70: 1757–1764.

  16. 16) C. R., del Giorgio, P.A., Prairie, Y.T. and St-Pierre, A. 2013. Depositional fluxes and sources of particulate carbon and nitrogen in natural lakes and a young boreal reservoir in Northern Québec. Biogeochemistry 113(1-3): 323 - 339.

  17. 17)Prairie, Y.T. abd del Giorgio, P.A. 2013. A new pathway of freshwater methane emissions and the putative importance of microbubbles. Inland Waters 3: 311 - 320.

  18. 18)Ferland, M.E., del Giorgio, P.A., Teodoru, C. and Prairie, Y.T. 2012. Long-term C accumulation and total C stocks in boreal lakes in Northern Québec. Global Biogeochemical Cycles 26(4).

  19. 19)Teodoru, C.R., Bastien, J., Booneville, M.C., del Giorgio, P.A., Demarty, M., Garneau, M., Helie, J.F., Pelletier, L., Prairie, Y.T. Roulet, N.T., Stratchan, I.B. and Tremblay, A. 2012. The net carbon footprint of a newly created boreal hydroelectric reservoir. Global Biogeochemical Cycles 26: GB2016.

  20. 20)Pace, M.L., Reche, I., Cole, J.J., Fernandez-Barbero, A., Mazuecos, I.P. and Prairie, Y.T. 2012. pH change induces shifts in the size and light absorption of dissolved organic matter. Biogeochemistry 108: 1-3.

  21. 21)Brothers, S.M., del Giorgio, P.A., Teodoru, C.R. and Prairie, Y.T. 2012. Landscape heterogeneity influences carbon dioxide production in a young boreal reservoir. Canadian Journal of Fisheries and Aquatic Sciences 69: 447 - 456.

  22. 22)Vermaire, J.C., Prairie, Y.T., and Gregory-Eaves, I. 2012.Diatom-inferred decline of macrophyte abundance in lakes of southern Quebec, Canada. Canadian Journal of Fisheries and Aquatic Sciences 69: 511 - 524.

  23. 23)Brothers, S.M., Prairie, Y.T. and del Giorgio, P.A. 2012. Benthic and pelagic sources of carbon dioxide in boreal lakes and a young reservoir (Eastmain-1) in eastern Canada. Global Biogeochemical Cycles 26: GB1002.

  24. 24)Vermaire, J.C., Prairie, Y.T., and Gregory-Eaves, I. 2011. The influence of submerged macrophytes on sedimentary diatom assemblages. Journal of Phycology 47: 1230 - 1240.

  25. 25)Barros, N., Cole, J.J., Tranvik, L.J., Prairie, Y.T. Bastiviken, D., Huszar, V.L.M., del Giorgio, P.A. and Roland, F. 2011.Carbon emission from hydroelectric reservoirs linked to reservoir age and latitude. Nature Geoscience 4: 593-596.

  26. 26)Cantin, A., Beisner, B.E., J. Gunn, Y.T. Prairie and J. Winter.  2011. Effects of thermocline deepening on lake plankton communities. Canadian Journal of Fisheries and Aquatic Sciences 68: 260 - 276.

  27. 27)Teodoru C., Prairie, Y.T. and del Giorgio, P.A. 2011. Spatial heterogeneity of surface CO2 fluxes in a newly created Eastmain-1 reservoir in northern Quebec, Canada.  Ecosystems 14: 28 - 46.

  28. 28)Vogt, R.J., B.E. Beisner and Y.T. Prairie. 2010. Functional diversity is positively associated with biomass production in lake diatom communities. Freshwater Biology, 55:1636-1646.

  29. 29)Vachon D., Y.T. Prairie and J.J. Cole. 2010. The relationship between near-surface turbulence and gas transfer velocity in freshwater systems and its implications for floating chamber measurements of gas exchange. Limnology and Oceanography 55: 1723 - 1732.

  30. 30)Duarte, C.M., Prairie, Y.T., Frazer, T.K., Hoyer, M.V., Nostestein, S.K., Martinez, Dorsett, S. and Canfield, D.E. 2010. Rapid accretion of dissolved organic carbon in the springs of Florida: the most organic-poor natural waters. 2010. Biogeosciences 7: 4051 - 4057.

  31. 31)Marchand D., Prairie, Y.T. and del Giorgio, P.A. 2009. Linking forest fires to lake metabolism and carbon dioxide emissions in the boreal region of Northern Québec.  Global Change Biology, 15: 2861-2873.

  32. 32)Tranvik, L.J., J.A. Downing, J.B. Cotner, S.A. Loiselle, R.G. Striegl, T.J. Ballatore, P. Dillon, K. Finlay, K. Fortino, L.B. Knoll, P.L. Kortelainen, T. Kutser, S. Larsen, I. Laurion, D.M. Leech, S.L. Mccallister, D.M. Mcknight, J.M. Melack, E. Overholt, J.A. Porter, Y.T. Prairie, W.H. Renwick, F. Roland, B.S. Sherman, D.W. Schindler, S. Sobek, A. Tremblay, M.J. Vanni, A.M. Verschoor, E. Von Wachenfeldt and G.A. Weyhenmeyer 2009. Lakes and reservoirs as regulators of carbon cycling and climate.  Limnology and Oceanography 54 : 2298-2314.

  33. 33)Finlay K., Leavitt, P.R.,  Wissel, B. and Prairie, Y.T. 2009. Regulation of spatial and temporal variability of carbon flux in six hard-water lakes of the northern Great Plains.  Limnology and Oceanography, 54 : 2553-2564.

  34. 34)DeMarty M. and Prairie, Y.T. 2009. In situ dissolved organic carbon (DOC) release by submerged macrophyte-epiphyte communities in southern Quebec lakes.  Canadian Journal of Fisheries and Aquatic Sciences 66: 1522-1531.

  35. 35)Roehm C., Prairie, Y.T. and del Giorgio, P.A. 2009. The pCO2 dynamics in lakes in the boreal region of northern Québec, Canada.  Global Biogeochemical Cycles, 23: GB3013.

  36. 36)Teodoru, C., Prairie, Y. T., del Giorgio, P.A. and Camiré, M. 2009. Patterns in pCO2 in boreal streams and rivers of northern Quebec, Canada.  Global Biogeochemical Cycles, 23: GB2012.

  37. 37)Calleja, M.L., Duarte, C.M., Prairie, Y.T., Agusti, S. and Herndl, G.J. 2009. Evidence for surface organic matter modulation of air-sea CO2 gas exchange. Biogeosciences 6: 1105 - 1114.

  38. 38)Duarte, C.M., Prairie, Y.T., Montes, C., Cole, J.J.,  Striegl, R., Melack, J. and Downing, J.A. 2008. CO2 emissions from saline lakes: A global estimate of a surprisingly large flux.  Journal of Geophysical Research-Biogeosciences 113: G04041.

  39. 39)Prairie, Y.T. 2008) Carbocentric limnology: looking back, looking forward.  Canadian Journal of Fisheries and Aquatic Sciences 65 (3) : 543-548.

  40. 40)Downing, J.A., Cole, J.J. Middelburg, J.J., Striegl, R.G., Duarte, C.M. Kortalainen, P. Prairie, Y.T. and Laube, K.A. 2008. Sediment organic carbon burial in agriculturally eutrophic impoundments over the last century. Global Biogeochemical Cycles 22: GB1018.

  41. 41)Racca, J.M.J., Racca, R., Pienitz, R. and Prairie, Y.T. 2007. PaleoNet: New software for building, evaluating and applying neural network based transfer functions in paleoecology.  Journal of Paleolimnology 38 : 467-472.

  42. 42)Sobek, S., Tranvik, L.J. Prairie, Y.T., Kortelainen, P. and Cole, J.J. 2007. Patterns and regulation of dissolved organic carbon: An analysis of 7,500 widely distributed lakes.  Limnology and Oceanography, 52 : 1208-1219.

  43. 43)Cole, J.J., Prairie, Y.T. , Caraco, N.F., McDowell, W.H., Tranvik, L.J.,  Striegl, R.G., Duarte, C.M. , Kortelainen, P. and Downing, J.A. 2007. Plumbing the global carbon cycle: Integrating inland waters into the terrestrial carbon budget.  Ecosystems 10 : 171-184.

  44. 44)Prairie, Y.T. and C.M. Duarte. 2007. Direct and indirect metabolic CO2 release by humanity.  Biogeosciences, 4 : 215-217.

  45. 45)Downing, J.A., Y.T. Prairie, J.J. Cole, C.M. Duarte, L.J. Tranvik, R.G. Striegl, W.H. McDowell, P. Kortelainen, N.F. Caraco, J.M. Melack and J. Middelburg. 2006. The global abundance and size distribution of lakes, ponds, and impoundments.  Limnology and Oceanography 51 : 2388-2397.

  46. 46)Duarte, C.M. and Y.T. Prairie. 2005. Prevalence of heterotrophy and atmospheric CO2 emissions from aquatic ecosystems.  Ecosystems 8 :862-870.

  47. 47)Giani, A., Bird, D.F. Prairie, Y.T. and Lawrence, J.F. 2005. Empirical study of cyanobacterial toxicity along a trophic gradient of lakes. Canadian Journal of Fisheries and Aquatic Sciences 62: 2100 - 2109.

  48. 48)Gazeau, F. et al. 2005. Whole-system metabolism and CO2 fluxes in a Mediterranean Bay dominated by seagrass beds (Palma Bay, NW Mediterranean). 1: 43 - 60.

  49. 49)Racca, J.M.J., Gregory-Eaves, I. Pienitz, R. and Prairie, Y.T. Tailoring palaeolimnological diatom-based transfer functions. Canadian Journal of Fisheries and Aquatic Sciences 12: 2440 - 2454.

  50. 50)Molot et al. 2004. Risk analysis of dissolved organic matter-mediated ultraviolet B exposure in Canadian inland waters. Canadian Journal of Fisheries and Aquatic Sciences 61: 2511 - 2521.

  51. 51)Cammack, W.K.L., Kalff, J., Prairie, Y.T. and Smith, E.M. 2004. Fluorescent dissolved organic matter in lakes: Relationships with heterotrophic metabolism. Limnology and Oceanography 49: 2034 - 2045.

  52. 52)Racca, J.M.J. and Prairie, Y.T. 2004. Apparent and real bias in numerical transfer functions in palaeolimnology. Journal of Paleolimnology 31: 117 - 124.

  53. 53)Smith, E.M. and Prairie, Y.T. 2004. Bacterial metabolism and growth efficiency in lakes: The importance of phosphorus availability. Limnology and Oceanography 49: 137 - 147.

  54. 54)Philibert, A. Prairie, Y.T. Campbell, I. and Laird, I. 2003. Effects of late Holocene wildfires on diatom assemblages in Christina Lake, Alberta, Canada. Canadian Journal of Forest Research 33: 2405 - 2415.

  55. 55)Philibert, A. Prairie, Y.T. and Carcaillet, C. 2003. 1200 years of fire impact on biogeochemistry as inferred from high resolution diatom analysis in a kettle lake from the Picea mariana-moss domain (Quebec, Canada). Journal of Paleolimnology 30: 167 - 181.

  56. 56)Calbet, A. and Prairie, Y.T. 2003. Mesozooplankton grazing and primary production: Reply to the comment by Laws. Limnology and Oceanography 3: 1359 - 1362.

  57. 57)Racca, J.M.J., Wild, M., Birks, H.J.B. and Prairie, Y.T. Separating wheat from chaff: Diatom taxon selection using an artificial neural network pruning algorithm. Journal of Paleolimnology 29: 123 - 133.

  58. 58)Philibert, A. and Prairie, Y.T. 2002. Is the introduction of benthic species necessary for open-water chemical reconstruction in diatom-based transfer functions? Canadian Journal of Fisheries and Aquatic Sciences 59: 938 - 951.

  59. 59)Philibert, A. and Prairie, Y.T. 2002. Diatom-based transfer functions for western Quebec lakes (Abitibi and Haute Mauricie): the possible role of epilimnetic CO2 concentration in influencing diatom assemblages. Journal of Paleolimnology 27: 465 - 480.

  60. 60)Enache, M. and Prairie, Y.T. 2002. WA-PLS diatom-based pH, TP and DOC inference models from 42 lakes in the Abitibi clay belt area (Quebec, Canada). Journal of Paleolimnology 27: 151 - 171.

  61. 61)Prairie, Y.T., Bird, D.F. and Cole, J.J. 2002. The summer metabolic balance in the epilimnon of southeastern Quebec lakes. Limnology and Oceanography 47: 316 - 321.

  62. 62)Carcaillet, C. Bergeron, Y. and Richard, P.J.H., Frechette, B., Gauthier, S. and Prairie, Y.T. 2001. Change of fire frequency in the eastern Canadian boreal forests during the Holocene: does vegetation composition or climate trigger the fire regime? Journal of Ecology 89: 930 - 946.

  63. 63)Racca, J.M.J., Philibert, A., Racca, R. and Prairie, Y.T. 2001. A comparison between diatom-based pH inference models using artificial neural networks (ANN), weighted averaging (WA) and weighted averaging partial least squares (WA-PLS) regressions. Journal of Paleolimnology 26: 441 - 422.

  64. 64)Bird, D., Juniper, S.K., Ricciardi-Rigault, M., Martineu, P., Prairie, Y.T. and S.E. Calvert. 2001. Subsurface viruses and bacteria in Holocene/Late Pleistocene sediments of Saanich Inlet, BC: ODP Holes 1033B and 1034B, Leg 169S. Marine Ecology 174: 227 - 239.

  65. 65)Ricciardi-Rigault, M., Bird, D.F. and Prairie, Y.T. 2000. Changes in sediment viral and bacterial abundances with hypolimnetic oxygen depletion in a shallow eutrophic Lac Brome (Quebec, Canada). Canadian Journal of Fisheries and Aquatic Sciences 57: 1284-1290.

  66. 66)Xenopoulos, M.A., Prairie, Y.T. and D.F. Bird. 2000. Influence of ultraviolet-B radiation, stratospheric ozone variability, and thermal stratification on the phytoplankton biomass dynamics in a mesohumic lake. Canadian Journal of Fisheries and Aquatic Sciences 57: 600-609.

  67. 67)Lamontagne, S., Carignan, R., D’Arcy, P., Y.T. Prairie and Pare, D. 2000. Element export in runoff from eastern Canadian Boreal Shield drainage basins following forest harvesting and wildfires. Canadian Journal of Fisheries and Aquatic Sciences 57: 118-128.

  68. 68)Enache, M. and Prairie, Y.T. 2000. Paleolimnological reconstruction of forest fire induces changes in lake biogeochemistry (Lac Francis, Abitibi, Quebec, Canada). Canadian Journal of Fisheries and Aquatic Sciences 57: 146-154.

  69. 69)del Giorgio, P., Prairie, Y.T. and Bird, D.F. 1997. Coupling between rates of bacterial production and the abundance of metabolically active bacteria in lakes, enumerated using CTC reduction and flow cytometry. Microbial Ecology 34: 144-154.

  70. 70)Prairie, Y.T. and Duarte, C.M. 1997. Weak density-dependence and short-term perturbations as determinants of phytoplankton temporal dynamics (vol 3, pg 456, 1997). Ecoscience 4: 120-120

  71. 71)Vidondo, B., Prairie, Y.T., Blanco, J.M. and Duarte, C.M. 1997. Some aspects of the analysis of size spectra in ecology. Limnology and Oceanography 42: 184-192.

  72. 72)del Giorgio, P., Bird, D.F., Prairie, Y.T. and Planas, D. 1996. Flow cytometric determination of bacterial abundance in lake plankton with the green nucleic acid stain SYTO 13. Limnology and Oceanography 41: 783-789.

  73. 73)Prairie, Y.T. 1996. Evaluating the predictive power of regression models. Canadian Journal of Fisheries and Aquatic Sciences 53: 490-492.

  74. 74)Prairie, Y.T. and Duarte, C.M. 1996. Weak density-dependence and short-term pertubations as determinants of phytoplankton temporal dynamics. Ecoscience 3: 451-460.

  75. 75)DesLandes, J.C., Guenette, S. and Prairie, Y.T. 1995. Changes in fish populations affected by the construction of the LaGrande complex (Phase 1), James Bay region, Quebec. Canadian Journal of Zoology 73: 1860 - 1877.

  76. 76)Prairie, Y.T., Peters, R.H. and Bird, D.F. 1995. Natural variability and the estimation of empirical relationships - a reassessment of regression methods. Canadian Journal of Fisheries and Aquatic Sciences 52: 788-798.

  77. 77)Prairie, Y.T. and Marshall , C.T. On the use of structured time-series to detect and test hypotheses about within lakes relationships. Canadian Journal of Fisheries and Aquatic Sciences 52: 799-803.

  78. 78)Temporal variability in the chemical characteristics along the rivière de l’Achigan - How many samples are necessary to describe stream chemistry? Canadian Journal of Fisheries and Aquatic Sciences 52: 828 - 835.

  79. 79)Leduc, A., Prairie, Y.T.and Bergeron, Y. 1994. Fractal dimension estimates of a fragmented landscape - sources of variability. Landscape ecology 9: 279 - 286.

  80. 80)France, R.L., Peters, R.H. and Prairie, Y.T. 1994. Adjusting chlorophyll-s estimates through temporal weighing based on the seasonal development of phytobiomass. Aquatic Sciences 56: 106-114.

  81. 81)Demontigny, C. and Prairie, Y.T.1993. The relative importance of biological and chemical processes in the release of phosphorus from a highly organic sediment. Hydrobiologia 253: 141 - 150.

  82. 82)Prairie, Y.T. 1990. Nutrient status and nutrient competition of phytoplankton in a shallow, hypereutrophic lakes - Comment. Limnology and Oceanography. 35: 778-779.

  83. 83)Prairie, Y.T., Duarte C.M. , Kalff, J. 1989. Unifying nutrient chlorophyll relationships in lakes. Canadian Journal of Fisheries and Aquatic Sciences 46: 1176-1182.

  84. 84)Prairie, Y.T. 1989. Statistical-models for the estimation of net phosphorus sedimentation in lakes. Aquatic Sciences 51:193 - 210.

  85. 85)Prairie, Y.T. and Bird, D.F. 1989. Some misconceptions about the spurious correlation-problem in the ecological litterature. Oecologia 81: 285-288.


  1. 1)Prairie, Y.T. and Cole, J.J. 2009. Carbon, Unifying currency.  In: The Encyclopedia of inland waters, G.E. Likens, ed. Elsevier, pp. 743-746.

  2. 2)Cole, J.J. and Prairie, Y.T. 2009. Dissolved CO2.  In: The Encyclopedia of inland waters, G.E. Likens, ed. Elsevier, pp. 30-34.


  1. 1)Bird D.F., A. Pannard et Y.T. Prairie (2008). Changements climatiques, cyanobactéries et risques pour la santé humaine.  Rapport commandité par le Consortium Ouranos. Université du Québec à Montréal, 106 p.

  2. 2)Carignan, R., Perceval, O., Prairie, Y.T. et Parkes, A.. 2007. Développement d'un outil de prévention de l'eutrophisation des lacs des Laurentides et de l'Estrie.  Rapport présenté au Ministère du développement durable, de l'Environnement et des Parcs dans le cadre du programme PARDE du Ministère de l'Environnement du Québec, 120 pages

Anciens élèves et post-doctorants

Post-doctorants / Post-docs

Dr. Adam Heathcote

Dr. Cristian Teodoru

Dr. Charlotte Roehm

Dr. Erik S. Smith

Dr. Sophie Beauvais


Sophie Beauvais

Marie-Ève Ferland

Maud Demarty

Aline Philibert

Rainer Lenjer

Chantal de Montigny


Lennie Boutet

Sara Mercier-Blais

Véronique Ducharme-Riel

Ariane Cantin

Dominic Vachon

Soren Brothers

Delphine Marchand

Levi Cammack

Julien Racca

Dolores-Mihaela Enache

Mahaut Ricciardi-Rigault

Fabrice Larribe

Pierre Cartier

JM Varin

B.Sc. et/and Master (France)

B Chabot