Groupe de Recherche Interuniversitaire en Limnologie et en Environnement Aquatique



Prof. Paul del Giorgio

Intérêts de recherche / Research interests

  1. -Écologie microbienne

  2. -Métabolisme planctonique

  3. -Flux de carbone et d’azote dans les écosystèmes boréaux

Comités de rédaction / Editorial committees

- Co-rédacteur en chef de Aquatic Microbial Ecology


2001                    Professeure titulaire 

                            Université du Québec à Montréal

1997                    Professeure adjoint

                            University of Maryland Center for Environmental Science


1995                    Post-doctorant,

                            Institute of Ecosystem Studies

1993                   Ph.D., McGill University

1992                   B.Sc., Universidad de Buenos Aires

Équipe / Team


Tonya delSontro

Richard Vogt

Sophie Crèvecoeur

Maximilian Lau

Joan-Pere Casas Ruiz

Agents de recherche

Alice Parkes

Serge Paquet


Ryan Hutchins (co-supervisé, Y. Prairie, UQAM)

Felipe Rust

Masumi Stadler


Marie-Laure Gérardin

Karelle Desrosiers

Julia Jakobsson

Martin Demers (co-supervisé, B. Beisner, UQAM)




  1. 1)Wang, W, NT Roulet, Y Kim, IB Stachan, PA del Giorgio, YT Prairie, A Tremblay. 2018. Modelling CO2 emissions from water surface of a boreal hydroelectric reservoir. Science of the Total Environment.

  2. 2)Vachon, D. YT Prairie, F Guillemette, PA del Giorgio. 2017. Modeling Allochthonous Dissolved Organic Carbon Mineralization Under Variable Hydrologic Regimes in Boreal Lakes. Ecosystems.

  3. 3)Ruiz-Gonzalez, JP Nino-Garcia, SW Kembel, PA del Giorgio. 2017. Identifying the core seed bank of a complex boreal bacterial metacommunity. The ISME Journal. doi:10.1038/ismej.2017.67

  4. 4)Bogard, MJ, D Vachon, NF St-Gelais, PA del Giorgio. 2017. Using oxygen stable isotopes to quantify ecosystem metabolism in northern lakes. Biogeochemistry.

  5. 5)Tanentzap AJ, BW Kielstra, GM Wilkinson, M Bergren, N Craig, PA del Giorgio, J Grey, JM Gunn, SE Jones, J Karlsson, CT Solomon, ML Pace. 2017. Terrestrial support of lake food webs: Synthesis reveals controls over cross-ecosystem resource use. DOI: 10.1126/sciadv.1601765

  6. 6)Vachon, D, CT Solomon, PA delGiorgio. 2017. Reconstructing the seasonal dynamics and relative contribution of the major processes sustaining CO2 emissions in northern lakes. DOI: 10.1002/lno.10454

  7. 7)Nino-Garcia, JP. C Ruiz-Gonzalez and PA delGiorgio. 2017.  Exploring the Ecological Coherence between the Spatial and Temporal Patterns of Bacterioplankton in Boreal Lakes.

  8. 8)Rasilo, T. RHS Hutchins, C Ruiz-Gonzalez and PA delGiorgio. 2017. Transport and transformation of soil-derived CO2, CH4 and DOC sustain CO2 supersaturation in small boreal streams.

  9. 9)Hall, E, E Bernhardt, R Bier, M Bradford, C Boot, J Cotner, P del Giorgio, S Evans, E Graham, S Jones, J Lennon, K Locey, D Nemergut, B Osborne, J Rocca, J Schimel, M Waldrop and M Wallenstein. 2016. Understanding How Microbiomes Influence the Systems they Inhabit: Insight from Ecosystem Ecology.

  10. 10)Del Sontro, T. Boutet, L, St-Pierre, A, Prairie, YT and del Giorgio, PA 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

  11. 11)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

  12. 12)D Vachon, YT Prairie, F Guillemette, PA del Giorgio. 2016. Modeling Allochthonous Dissolved Organic Carbon Mineralization Under Variable Hydrologic Regimes in Boreal Lakes. Ecosystems: 1-15.

  13. 13)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.

  14. 14)Garcia-Chaves, MC, Cottrell, MT, Kirchman, DL, Ruiz-González, C and del Giorgio, P. A. 2016. Single-cell activity of freshwater aerobic anoxygenic phototrophic bacteria and their contribution to biomass production. The ISME Journal. 10:1579-1588.

  15. 15)Niño-García, J. P., Ruiz-González, C. and del Giorgio, P.A. 2016. Interactions between hydrology and water chemistry shape bacterioplankton biogeography across boreal freshwater networks. The ISME Journal. 10:1755-1766.

  16. 16)Vachon, D., Lapierre, J.-F. and del Giorgio, P.A. 2016. Seasonality of photochemical dissolved organic carbon mineralization and its relative contribution to pelagic CO2 production in northern lakes, Journal of Geophysical Research: Biogeosciences. 121, doi:10.1002/2015JG003244

  17. 17)Berggren, M. and del Giorgio, P.A. 2015. Distinct patterns of microbial metabolism associated to riverine dissolved organic carbon of different source and quality. Journal of Geophysical Research: Biogeosciences. 120(6):989-999.

  18. 18)Cottrell, M. T., del Giorgio, P.A. and Kirchman, D.L. 2015. Biogeography of globally distributed bacteria in temperate and boreal Québec lakes as revealed by tag pyrosequencing of 16S rRNA genes. Aquatic Microbial Ecology. 76(3):175-188.

  19. 19)Ducharme-Riel, V., Vachon, D., del Giorgio, P.A. and Prairie, Y.T. 2015. The relative contribution of winter under-ice and summer hypolimnetic CO2 accumulation to the annual CO2 emissions from northern lakes. Ecosystems. 18(4):547-559.

  20. 20)Fauteux, L., Cottrell, M.T., Kirchman, D. L., Borrego, C. M., Garcia-Chaves, M. C. and del Giorgio, P. A. 2015. Patterns in abundance, cell size and pigment content of aerobic anoxygenic phototrophic bacteria along environmental gradients in northern lakes. PLoS ONE. 10(4), doi: 10.1371/journal.pone.0124035

  21. 21)Garcia-Chaves, M. C., Cottrell, M. T., Kirchman, D. L., Derry, A. M., Bogard, M. J. and del Giorgio, P. A. 2015. Major contribution of both zooplankton and protists to the top-down regulation of freshwater aerobic anoxygenic phototrophic bacteria. Aquatic Microbial Ecology. 76(1):71-83.

  22. 22)Guillemette, F., McCallister, S. L. and del Giorgio, P. A. 2015. Selective consumption and metabolic allocation of terrestrial and algal carbon determine allochthony in lake bacteria. The ISME Journal.10:1373-1382.

  23. 23)Heathcote, A. J., Anderson, N. J., Prairie, Y. T., Engstrom, D. R. and del Giorgio, P. A. 2015. Large increases in carbon burial in northern lakes during the Anthropocene. Nature Communications. 6, doi: 10.1038/ncomms10016

  24. 24)Heathcote, A. J., del Giorgio, P. A. and Prairie, Y. T. 2015. Predicting bathymetric features of lakes from the topography of their surrounding landscape. Canadian Journal of Fisheries and Aquatic Sciences. 72(5):643-650.

  25. 25)Lapierre, J.-F., Seekell, D. A. and del Giorgio, P.A. 2015. Climate and landscape influence on indicators of lake carbon cycling through spatial patterns in dissolved organic carbon. Global Change Biology. 21:4425-4435.

  26. 26)Li, M., del Giorgio, P. A., Parkes, A. H. and Prairie, Y. T. 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(12):2562-2578.

  27. 27)Rasilo, T., Prairie, Y. T. and del Giorgio, P. A. 2015. Large-scale patterns in summer diffusive CH4 fluxes across boreal lakes, and contribution to diffusive C emissions. Global Change Biology. 21(3):1124-1139.

  28. 28)Robidoux, M., del Giorgio, P. A. and Derry, A. M. 2015. Effects of humic stress on the zooplankton from clear and DOC-rich lakes. Freshwater Biology. 60(7):1263-1278.

  29. 29)Ruiz-González, C., Niño-García, J. P., Lapierre, J.-F. and del Giorgio, P. A. 2015. The quality of organic matter shapes the functional biogeography of bacterioplankton across boreal freshwater ecosystems. Global Ecology and Biogeography. 24(12):1487-1498.

  30. 30)Ruiz-González, C., Niño-García, J. P. and del Giorgio, P. A. 2015. Terrestrial origin of bacterial communities in complex boreal freshwater networks. Ecology Letters. 18(11):1198-1206.

  31. 31)Soued, C., del Giorgio, P. A. and Maranger, R. 2015. Nitrous oxide sinks and emissions in boreal aquatic networks in Québec. Nature Geoscience. 9:116-120.

  32. 32)Vachon, D. and del Giorgio, P.A. 2014. Whole-Lake CO2 Dynamics in response to storm events in two morphologically different lakes. Ecosystems. 17: 1338-1353.

  33. 33)Bogard, M.J., del Giorgio, P.A., Boulet, L., Chaves, M.C.G., Prairie, Y.T., Merante, A., Derry, A.M. 2014. Oxic water column methanogenesis as a major component of aquatic CH4 fluxes. Nature Communications. 5: 5350.

  34. 34)Stubbins, A., Lapierre, J.F. Berggren, M., Prairie, Y.T., Dittmar, T. and del Giorgio, P.A. 2014. What's in an EEM? Molecular Signatures Associated with Dissolved Organic Fluorescence in Boreal Canada. Environmental Science and Technology. 48: 10598-10606.

  35. 35)Sintes, E. and del Giorgio, P.A. 2014. Feedbacks between protistan single-cell activity and bacterial physiological structure reinforce the predator/prey link in microbial foodwebs. Frontiers in Microbiology. 5: 453.

  36. 36)Berggren, M., Ziegler, S.E., St-Gelais, N.F., Beisner, B.E. and del Giorgio, P.A. 2014. Contrasting patterns of allochthony among three major groups of crustacean zooplankton in boreal and temperate lakes. Ecology. 95: 1947-1959.

  37. 37)Ferland, M.E., Prairie, Y.T., Teodoru, C. and del Giorgio, P.A. 2014. Linking organic carbon sedimentation, burial efficiency, and long-term accumulation in boreal lakes. Journal of geophysical research - Biogeosciences. 119: 836-847.

  38. 38)A. Campeau and del Giorgio, P.A. 2014. Patterns in CH4 and CO2 concentrations across boreal rivers: Major drivers and implications for fluvial greenhouse emissions under climate change scenarios. Global Change Biology. 20: 1075-1088.

  39. 39)Yvon-Durocher, G. Allen A.P. Bastviken, D., Conrad, R., Gudasz, St-Pierre, A., Thanh-Duc, N. and del Giorgio, P.A. 2014.Methane fluxes show consistent temperature dependence across microbial to ecosystem scales. Nature. 507: 488.

  40. 40)Lapierre, J.F. and del Giorgio, P.A. 2014. Partial coupling and differential regulation of biologically and photochemically labile dissolved organic carbon across boreal aquatic networks. Biogeosciences. 11: 5969-5985.

  41. 41)A. Campeau, Lapierre, J.F., Vachon, D. and del Giorgio, P.A. 2014. Regional contribution of CO2 and CH4 fluxes from the fluvial network in a lowland boreal landscape of Quebec. Global Biogeochemical Cycles. 1: 57-69.

  42. 42)Lapierre, J.F. Guillemette, F. Berggren, M. and del Giorgio, P.A. 2013. Increases in terrestrially derived carbon stimulate organic carbon processing and CO2 emissions in boreal aquatic ecosystems. Nature Communications. 4: 2927.

  43. 43)Guillemette, F., McAllister, S.L. and del Giorgio, P.A. 2013. Differentiating the degradation dynamics of algal and terrestrial carbon within complex natural dissolved organic carbon in temperate lakes. Journal of geophysical research - Biogeosciences. 118: 963-973.

  44. 44)Compte, J., Fauteux, L. and del Giorgio, P.A. Links between metabolic plasticity and functional redundancy in freshwater bacterioplankton communities. 2013. Frontiers in Microbiology. 4:112

  45. 45)Teodoru, 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.

  46. 46)Cardille, J., Leguet, B. and del Giorgio, P.A. 2013. Remote sensing of lake CDOM using     noncontemporaneous field data. Canadian Journal of Remote Sampling. 39: 118 - 126.

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

  48. 48)Alkhatib, M., Schubert, C. J., del Giorgio, P. A., Gelinas, Y. and Lehmann, M. F. 2012. Organic matter reactivity indicators in sediments of the St. Lawrence Estuary. Estuarine, Coastal and Shelf Science. 102-103: 36-47.

  49. 49)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)

  50. 50)Lapierre, J.F., del Giorgio, P.A. 2012. Geographical and environmental drivers of regional differences in the lake pCO(2) versus DOC relationship across northern landscapes. Journal of Geophysical Research- Biosciences 117: G03015.

  51. 51)Yvon-Durocher, G. Caffrey, J.M., Cescatti, A., Dossena, M., del Giorgio, P.A., Gasol, J.M.,  Montoya, J.M., Pumpanen, J., Staer, P.A. Trimmer, M., Woodward, G. and Allen, P. 2012. Nature. 7408: 472-476.

  52. 52)Guillemette, F. and del Giorgio, P.A. 2012. Simultaneous consumption and production of fluorescent dissolved organic matter by lake bacterioplankton. Environmental Microbiology. 14: 1432-1443.

  53. 53)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.

  54. 54)Alkhatib, M., Schubert, C.J., del Giorgio, P.A. Gelinas, Y. and Lehmann, M.F. 2012. Organic matter reactivity indicators in sediments of the St. Lawrence Estuary. Estuarine Coastal and Shelf Science 102: 36-47.

  55. 55)del Giorgio, P.A. and Newell, R.E.I. 2012. Phosphorus and DOC availability influence the partitioning between bacterioplankton production and respiration in tidal marsh ecosystems. Environmental Microbiology. 14: 1296-1307.

  56. 56)Berggen, M., Lapierre J.F. and del Giorgio, P.A. Magnitude and regulation of bacterioplankton respiratory quotient across freshwater environmental gradients. ISME Journal. 6: 984-993.

  57. 57)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.

  58. 58)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.

  59. 59)Alkhatib, M., Lehmann, M.F. and del Giorgio, P.A. 2012. The nitrogen isotope effect of benthic remineralization-nitrification-denitrification coupling in an estuarine environment. Biogeosciences. 9: 1633-1646.

  60. 60)Compte, J. and del Giorgio, P.A. 2011. Composition Influences the Pathway but not the Outcome of the Metabolic Response of Bacterioplankton to Resource Shifts. PloS One. 6: e25266.

  61. 61)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.

  62. 62)Condon, R.H., Steiberg, D.K., del Giorgio, P.A., Bouvier, T.C. Bronk, D.A., Graham, W.M. and Ducklow, H.W. 2011. Jellyfish blooms result in a major microbial respiratory sink of carbon in marine systems. PNAS. 108: 10225-10230.

  63. 63)Guillemette, F. and del Giorgio, P.A. 2011. Reconstructing the various facets of dissolved organic carbon bioavailability in freshwater ecosystems. Limnology and Oceanography. 56: 734-748.

  64. 64)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.

  65. 65)del Giorgio, P.A., Condon, R., Bouvier, T., Longnecker, K., Bouvier, C., Sherr, E. and Gasol, J.M. 2011. Coherent patterns in bacterial growth, growth efficiency, and leucine metabolism along a northeastern Pacific inshore-offshore transect. Limnology and Oceanography. 56: 1-16.

  66. 66)Compte, J. and del Giorgio, P.A. 2011. Composition influences the pathway but not the outcome of the metabolic response of bacterioplankton to resource shifts. PloS one. 6: e25266.

  67. 67)Prairie, Y. T., del Giorgio, P.A., Roehm, C. and Tremblay, A. 2010. Insights on riverine metabolism from continuous measurements of CDOM fluorescence in Eastmain-1 reservoir. Verh. Internat. Verein. Limnol. 30(10): 1545-1548.

  68. 68)Sintes, E. and del GIorgio, P.A. 2010. Community heterogeneity and single-cell digestive activity of estuarine heterotrophic nanoflagellates assessed using lysotracker and flow cytometry. Environmental Microbiology. 12: 1913-1925.

  69. 69)Compte, J. and del Giorgio, P.A. 2010. Linking the patterns of change in composition and function in bacterioplankton successions along environmental gradients. Ecology. 91: 1466-1476.

  70. 70)Maurice, C.F., Bouvier, T., Compte, J. Guillemette, F. del Giorgio P.A. 2010. Seasonal variations of phage life strategies and bacterial physiological states in three northern temperate lakes. Environmental Microbiology. 12: 628-641.

  71. 71)del Giorgio, P.A. 2008. Progress, challenges, and perspectives in aquatic microbial ecology: introduction. Aquatic Microbial Ecology. 61: 201-211.

  72. 72)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.

  73. 73)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.

  74. 74)Compte, J. and del Giorgio, P.A. 2009. Links between resources, C metabolism and the major components of bacterioplankton community structure across a range of freshwater ecosystems. Environmental Microbiology. 11: 1704-1716.

  75. 75)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.

  76. 76)Frette, L., Jorgensen, N.O.G., Nybroe, O., del Giorgio, P.A. and Kroer, R. 2009. Effect of Availability of Nitrogen Compounds on Community Structure of Aquatic Bacteria in Model Systems. Microbial Ecology. 57: 104-116.

  77. 77)McCallister, S.L. and del Giorgio, P.A. 2008. Direct measurement of the delta C-13 signature of carbon respired by bacteria in lakes: Linkages to potential carbon sources, ecosystem baseline metabolism, and CO2 fluxes. Limnology and Oceanography. 53: 1204-1216.

  78. 78)del Giorgio, P.A. and Pace, M.L. 2008. Relative independence of dissolved organic carbon transport and processing in a large temperate river: The Hudson River as both pipe and reactor. Limnology and Oceanography. 53: 185-197.

  79. 79)del Giorgio, P.A. 2008. Progress, challenges, and perspectives in marine microbial ecology. Aquatic Microbial Ecology. 53: 1-1.

  80. 80)Apple, J.K. and del Giorgio, P.A. 2007. Organic substrate quality as the link between bacterioplankton carbon demand and growth efficiency in a temperate salt-marsh estuary. ISME Journal. 8: 729-742.

  81. 81)Bouvier, T., del Giorgio, P.A. and Gasol, J.M. 2007. A comparative study of the cytometric characteristics of High and Low nucleic-acid bacterioplankton cells from different aquatic ecosystems. Environmental Microbiology. 9: 2050-2066.

  82. 82)Carlson, C.A. del Giorgio, P.A. and Herdl, G.J. 2007.Microbes and the Dissipation of Energy and Respiration: From Cells to Ecosystems. Oceanography. 20: 89-100.

  83. 83)Bouvier, T. and del Giorgio, P.A. 2007. Key role of selective viral-induced mortality in determining marine bacterial community composition. Environmental Microbiology. 9: 287-297.

  84. 84)Apple, J., del Giorgio, P.A. and Kemp, M. 2006. Temperature regulation of bacterial production, respiration, and growth efficiency in a temperate salt-marsh estuary. Aquatic Microbial Ecology. 43: 243–254.

  85. 85)McCallister, S.L., Guillemette, F. and del Giorgio, P.A. 2006. A system to quantitatively recover bacterioplankton respiratory CO2 for isotopic analysis to trace sources and ages of organic matter consumed in freshwaters. Limnology and Oceanography. 4: 406-415.

  86. 86)del Giorgio, P.A., Pace, M.L. and Fischer, D. 2006. Relationship of bacterial growth efficiency to spatial variation in bacterial activity in the Hudson River. Aquatic Microbial Ecology. 45: 55-67.

  87. 87)Maranger, R., Pace, M.L., del Giorgio, P.A., Caraco, N.F. abd Cole, J.J. 2005. Longitudinal spatial patterns of bacterial production and respiration in a large River-Estuary: Implications for ecosystem carbon consumption. Ecosystems. 8: 318-330.

  88. 88)Apple, J.K., del Giorgio, P.A. and Newell, R.I.E. 2004. The effects of system-level nutrient enrichment on bacterioplankton production in a tidally-influenced estuary. Journal of Coastal Research. 45: 110-133.

  89. 89)Pace, M.L., del Giorgio, P.A., Fischer, D. Condon, R. and Malcom H. 2004. Estimates of bacterial production using the leucine incorporation method are influenced by differences in protein retention of microcentrifuge tubes. Limnology and Oceanography - Methods. 2: 55-61.

  90. 90)Bouvier, T. and del Giorgio, P.A. 2003. Factors influencing the detection of bacterial cells using fluorescence in situ hybridization (FISH): A quantitative review of published reports. FEMS Microbiology Ecology. 44: 3-15.

  91. 91)Smith, E.M. and del Giorgio, P.A. 2003. Low fractions of active bacteria in natural aquatic communities? Aquatic Microbial Ecology. 31: 203-208.

  92. 92)del Giorgio, P.A. and Duarte, C.M. 2002. Respiration in the open ocean. Nature 420: 379-384.

  93. 93)Maranger, R., del Giorgio, P.A. and Bird, D.F. 2002. Accumulation of damaged bacteria and viruses in lake water exposed to solar radiation. Aquatic Microbial Ecology. 28: 213-227.

  94. 94)Bouvier, T.C. and del Giorgio, P.A. 2002. Compositional changes in free-living bacterial communities along a salinity gradient in two temperate estuaries. Limnology and Oceanography. 47: 453-470.

  95. 95)del Giorgio, P.A. and Bouvier, T.C. 2002. Linking the physiologic and phylogenetic successions in free-living bacterial communities along an estuarine salinity gradient. Limnology and Oceanography. 47: 471-486.

  96. 96)Sherr, B.F., Sherr, E.B. and del Giorgio, P.A. 2001. Enumeration of total and highly active bacteria. Methods in Microbiology. 30: 129-159.

  97. 97)Gasol, J.M. and del Giorgio, P.A. 2000. Using flow cytometry for counting natural planktonic bacteria and understanding the structure of planktonic bacterial communities. Scientia Marina. 64: 197-224.

  98. 98)Sherr, B.F., del Giorgio, P.A. and Sherr, E.B. 1999. Estimating abundance and single-cell characteristics of respiring bacteria via the redox dye CTC. Aquatic Microbial Ecology. 18: 117-131.

  99. 99)del Giorgio, P.A., Cole, J.J., Caraco, N.F. and Peters, R.H. 1999. Linking planktonic biomass and metabolism to net gas fluxes in northern temperate lakes. Ecology. 80: 1422-1431.

  100. 100)del Giorgio, P.A. and Cole, J.J. 1998. Bacterial growth efficiency in natural aquatic ecosystems. Annual review of Ecology and Systematics. 29: 503 - 541.

  101. 101)Gasol, J.M., del Giorgio, P.A. and Duarte, C.M. 1997. Biomass distribution in marine planktonic communities. Limnology and Oceanography. 42: 1353 - 1363.

  102. 102)Ferrari, L., Lombardo, R.J., del Giorgio, P. A. Tortorelli, M.C. and Harnandez, D.A. 1989. Bulletin of Environmental Contammination and Toxicology. 42: 267 - 374.

Livres et Chapitres

  1. 1)Cardille, J., del Giorgio, P.A., Crowley, M.A. and Boisvert-Chouinard, J. 2014. Continual refinement of lake carbon estimates using historical, current, and future field and satellite data. MULTITEMP 2013: 7th international workshop on the analysis of multi-temporal remoter sensing images.

  2. 2)del Giorgio, P.A. and Gasol, J.M. 2008. The physiological structure of marine bacterioplankton communities. 2008. In Marine Microbial Ecology, Kirchman, D. ed., 2nd edition. Plenum Press.

  3. 3)Williams, P.J. le B. and P.A. del Giorgio. 2005. Respiration in Aquatic Ecosystems: History and background. In: Respiration in Aquatic Ecosystems, P.A. del Giorgio and P.J. le B Williams, eds. Oxford University Press, pp. 1 - 17.

  4. 4)del Giorgio, P.A. and P.J. le B. Williams. 2005. Respiration in aquatic ecosystems: from single cells to the biosphere.  In: Respiration in Aquatic Ecosystems, P.A. del Giorgio and P.J. le B Williams, eds. Oxford University Press, pp. 267-303.

  5. 5)del Giorgio, P.A. and Davies, J. 2002. Large-scale patterns in DOM lability across aquatic ecosystems. In DOM in Aquatic Systems, S. Findlay and R. Sinsbaugh, eds. Academic Press. pp. 400 - 425.

  6. 6)Sherr, B., Sherr E. and del Giorgio, P.A. 2000. Enumeration of bacteria. In Methods in Marine Microbiology, John Paul, ed. Academic Press. pp. 245 - 278.

  7. 7)del Giorgio, P.A. and Cole, J.J. 2000. Bacterial energetics and growth efficiency. In Marine Microbial Ecology, D. Kirchman, ed. Plenum Press. pp. 289 - 325.

Anciens élèves et post-doctorants2

Post-doctorants / Post-docs

Dr. Trista Vics-Majors (currently Postdoctoral Fellow at the University of Montana)

Dr. Richard Vogt

Dr. Erin R. Hotchkiss (currently Professor at Virginia Tech)

Dr. Clara Ruiz Gonzalez (currently Postdoctoral Fellow Institut de Ciències del Mar , Barcelona)

Dr. Terhi Rasilo (currently Post doctoral fellow, University of Helsinki , Helsinki)

Dr. Adam Heathcote (currently Associate Scientist, St. Croix Watershed Research Station)

Dr. Cristian Teodoru

Dr. Martin Berggren


Nicolas Fortin St-Gelais

Matt Bogard

Juan Pablo Nino Gracia

    Biogéographie bactérienne des lacs boréaux du Québec: les facteurs régulant la dominance et la rareté    

    microbienne à grande échelle.

Maria Carolina García Chaves

    Top-down and bottom-up controling factors on anaerobic anoxygenic bacteria (AAP) in freshwater


Dominic Vachon

    Dynamiques saisonnières des principaux processus qui soutiennent les émissions de CO2 dans les lacs    


Ming Feng Li (co-supervisé, Y. Prairie, UQAM)

    The carbon linkages between terrestrial and aquatic ecosystems

Jean-François Lapierre

    The composition and origin of the dissolved organic carbon (DOC) as a controlling factor of boreal lakes

    partial pressure of CO2 (pCO2)

Francois Guillemette

    DOC and bacterial metabolism

Jérôme Compte

    The mechanisms that determine the type of bacterioplankton communities response to environmental

    gradients and bacterioplankton biogeography

Mohammad Alkhatib

    La réactivité des sédiments et son impact sur les flux de la matière organique dissoute et les isotopes    

    d'azote dans l'estuaire et le golf du Saint-Laurent


Lennie Boutet (co-supervisée, Y. Prairie, UQAM)

    Drivers of methane bubbling in lakes and beaver ponds and their contribution to total lake

    methane emissions

Audrey Campeau

    Les émissions de dioxide de carbone (CO2) et de méthane (CH4) provenant des réseaux

    fluviaux boréaux, en contexte de changements climatiques

Soren Brothers

    Distinguishing the significance of alternate metabolic pathways in lakes and reservoirs

Lisa Fauteux

    Mixotrophy and bacterial metabolism

Jean-Baptiste Leguet

    The contributions of geographic information systems (GIS) for pollution risk analysis

Delphine Marchand

    The relationship between the state of vegetation succession in the catchment following a    

    natural disturbance and the carbon dynamics in boreal lakes