Groupe de Recherche Interuniversitaire en Limnologie et en Environnement Aquatique



Professeure titulaire / Full professor

Directrice du GRIL et du GRIL-UQAM


Tel: 514-987-3000 poste 8400
Fax: 514-987-3000 poste 4647


Prof. Beatrix Beisner

Intérêts de recherche / Research interests

  1. -Écologie et biodiversité du plancton / Plankton ecology and biodiversity

  2. -Écologie des métacommunautées / Ecological metacommunities

- Couplage physico-biologiques dans les lacs / Biophysical coupling in lakes

  1. -Écologie fonctionnelle du phytoplancton et zooplancton / Functional ecology of plankton

  2. -Espèces Invasives / Invasive species

  3. -Philosophie et histoire de l’écologie / Philosophy and history of ecology

Comités de rédaction / Editorial committees

2011 -        Comité rédacteur/Editorial Board, Freshwater Biology

2015 -        Comité rédacteur/Editorial Board, Journal of Plankton Research

2010-2015 Rédactrice associée/Associate Editor, Journal of Plankton Research

2007-2010 Comité rédacteur/Editorial Board, Oikos


2007 - 2013         Professeure agrégée / Associate Professor     

                            Université du Québec à Montréal

2003 - 2007         Professeure adjointe (Assistant Professor) et stratégique FQRNT

                            Université du Québec à Montréal


2002 - 2003        Professeure adjointe / Assistant Professor

                           University of Guelph

2000 - 2002        Boursière postdoctorale CRSNG,

                           Centre for Limnology, University of Wisconsin-Madison

2000                   Ph.D., University of British Columbia

1995                   M.Sc., University of Calgary

1992                   B.Sc., University of Guelph

Équipe / Team


Katie Pagnucco

Patricia Pernica

Agente de recherche

Katherine Velghe (GRIL - UQAM)


Nicolas Fortin St-Gelais (co-supervisé, P. del Giorgio, UQAM)

Gillian Martin (co-supervisée, A. Derry, UQAM)

Marie-Pier Hébert (co-supervisée, Gregor Fussmann, McGill)


Jennifer Barrow (co-supervisée, I. Gregory-Eaves, McGill)

Alexandre Langlais-Bourassa (co-supervisé par Jan Franssen, UdeM)

Ola Khawasik (co-supervisée, D. Walsh, Concordia)

Cindy Paquette

Martin Demers (co-supervisé, P. del Giorgio, UQAM)




  1. 1)Moussaoui, N, BE Beisner. 2017. La méduse d’eau douce Craspedacusta sowerbii: espèce exotique répandue dans les lacs du Québec.  Le Naturaliste Canadien, 141: 40-46.

  2. 2)Hébert, MP, Beisner BE, R Maranger. 2016. Linking zooplankton to ecosystem function: toward an effect-trait classification framework. J. Plankton Research In press.

  3. 3)Mimouni, EA, Pinel-Alloul, B, Beisner BE. 2016. Phylogenetic diversity and conservation in the presence of phylogenetic uncertainty: a case study for cladoceran communities in urban waterbodies. Biodiversity and Conservation, 25: 2113-2136.

  4. 4)Beisner, BE and C Carey. 2016. Lake Name or Name Lake? The etymology of lake nomenclature in the United States. Freshwater Biology, 61: 1601-1609.

  5. 5)Benoît, P-O, BE Beisner, C Solomon. 2016. Growth rate and abundance of common fishes is negatively related to dissolved organic carbon concentration in lakes. Can. J. Fish. Aquat. Sci., 73: 1230-1236.

  6. 6)Nock, CA, RJ Vogt, BE Beisner. 2016. Functional Traits. In: eLS. John Wiley & Sons, Ltd, Chichester. DOI: 10.1002/9780470015902.a0026282

  7. 7)Hébert, MP, Beisner BE and R Maranger. 2016. A meta-analysis of zooplankton functional traits influencing ecosystem function. Ecology 97: 1069-1080.

  8. 8)Thibodeau, G, D Walsh, BE Beisner. 2015. Rapid eco-evolutionary responses in perturbed phytoplankton communities. Proc. R. Soc. Lond B, 282: 20151215

  9. 9)Pomerleau, C, A Sastri, BE Beisner. 2015. Evaluation of quantitative functional trait diversity estimates for marine zooplankton communities in the subarctic northeast Pacific Ocean. Journal of Plankton Research, 37:712-726.

  10. 10)Pannard, A, D Planas, BE Beisner. 2015. Macrozooplankton and the persistence of the deep chlorophyll maximum in a stratified lake. Freshwater Biology 60:1717-1733.

  11. 11)Mimouni, EA, Pinel-Alloul, B, BE Beisner. 2015. Evaluating and comparing the components of diversity in urban zooplankton communities using different metrics. Urban Ecosystems DOI 10.1007/s11252-015-0457-5.

  12. 12)Thompson, P, BE Beisner, A Gonzalez. 2015. Warming induces synchrony and destabilizes experimental pond zooplankton metacommunities. Oikos 124: 1171-1180.

  13. 13)Winegardner, A, BE Beisner, P Legendre, I Gregory-Eaves. 2015. Landscape-level drivers of diatom communities: how different are they between water-column and surface sediment samples? Freshwater Biology 60: 267-281.

  14. 14)Vasseur, DA, JW Fox, A Gonzalez, R Adrian, BE Beisner, MR Helmus, C Johnson, P Kratina, C Kremer, C deMazancourt, E Miller, WA Nelson, M Paterson, JA Rusak, J Shurin and CF Steiner. 2014. Synchronous dynamics of zooplankton competitors prevail in temperate lake ecosystems. Proc. R. Soc. Lond. B 281: 20140633.

  15. 15)Ouellet Jobin, V, BE Beisner. 2014. Deep chlorophyll maxima, spatial overlap and diversity in phytoplankton exposed to experimentally altered thermal stratification. Journal of Plankton Research 36: 933-942.

  16. 16)Perron, T, J Chételat, J Gunn, BE Beisner, M Amyot. 2014. Effect of experimental deepening of the thermocline and oxycline on methylmercury accumulation in a Canadian Shield Lake. Environmental Science and Technology 48:2626-2634.

  17. 17)Berggren, M, SE Ziegler, N Fortin-St. Gelais, BE Beisner, PA del Giorgio. 2014. Diverging patterns of allocthony in three major groups of crustacean zooplankton in Boreal lakes. Ecology 95:1947-1959.

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

  19. 19)Monchamp, M-È, Pick, FR, Beisner BE, R Maranger. 2014. Variation in microcystin concentration and composition in relation to cyanobacterial community structure. PLoS ONE 10.1371/journal.pone.0085573

  20. 20)Sastri, A, J, Gauthier, P Juneau, BE Beisner. 2014. Biomass and productivity responses of zooplankton communities to experimental thermocline deepening. Limnology and Oceanography, 59:1-16

  21. 21)Jokela, A, SE Arnott, BE Beisner. 2013. Influence of light on the foraging impact of an introduced predator, Bythotrephes longimanus. Freshwater Biology, 58:1946-1957

  22. 22)Vogt, RJ, PR Peres-Neto, BE Beisner. 2013. Using functional traits to investigate the determinants of crustacean zooplankton community structure. Oikos 122:1700-1709. DOI: 10.1111/j.1600-0706.2013.00039.x

  23. 23)Beisner, BE and ML Longhi. 2013. Niche overlap and diversity patterns in lake phytoplankton. Limnology and Oceanography 58:1419-1430.

  24. 24)Sastri, A, P Juneau, BE Beisner. 2013. Evaluation of chitobiase-based estimates of biomass and production rates for developing freshwater crustacean zooplankton communities. Journal of Plankton Research 35: 407-420.

  25. 25)Beisner, B.E. 2012. The shifting states of resilience: easier to define than to measure. Ideas in Ecology and Evolution 5: 57-62.

  26. 26)Beisner, B.E. 2012. Alternative stable states. Nature Education Knowledge 3:1.

  27. 27)Gregory-Eaves, I. and Beisner, B.E. 2011. Paleolimnological insights for biodiversity science: and emerging field. Freshwater Biology. 56: 2653 - 2661.

  28. 28)Jokela, A., Arnott, S.E. and Beisner, B.E. 2011. Patterns of Bythotrephes longimanus distribution relative to native macroinvertebrates and zooplankton prey, Biological Invasions, 13: 2573 - 2594.

  29. 29)Vogt, R.J. and Beisner, B.E. 2011. Assessing the impact of dispersal on zooplankton community structure. Journal of Plankton Research 33: 1757-1761.

  30. 30)Sastri, A., Beisner, B.E. and Juneau, P. 2011. In vivo determination of Daphnia feeding rates using PAM fluorometry.  Journal of Plankton Research, 33:1455-1459.

  31. 31)Pannard, A., Bormans, M., Beisner, B.E., Bird, D., Braun, J., Planas, D. and Bormans, M. 2011. Vertical internal modes in a small lake: potential ecological consequences for metalimnetic populations of phytoplankton. Limnology & Oceanography: Fluids and Environments, 1: 91-109.

  32. 32)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.

  33. 33)Strecker, A.L., Beisner, B.E., Arnott, S.E., Paterson, A.M., Winter, J.G., Johannsson, O.E. and Yan, N.D. 2011. Direct and indirect effects of an invasive planktonic predator on pelagic food webs. Limnology and Oceanography 56:179-192.

  34. 34)Lévesque, S., Beisner, B.E. and Peres-Neto, P.R. 2010. Meso-scale distributions of lake zooplankton reveal spatially and temporally varying trophic cascades. Journal of Plankton Research 32:1369-1384 (Featured Article).

  35. 35)Maezo, M.J, H. Fournier and B.E. Beisner. 2010. Potential and realized interactions between two aquatic invasive species: Eurasian watermilfoil (Myriophyllum spicatum) and rusty crayfish (Orconectes rusticus). Canadian Journal of Fisheries and Aquatic Sciences 67: 684-700.

  36. 36)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.

  37. 37)Longhi, M.L. and Beisner, B.E. 2010. Patterns of taxonomic and functional diversity in lake phytoplankton. Freshwater Biology, 55:1349-1366.

  38. 38)Beisner, B.E. and Peres-Neto, P. 2009. Seasonal trophic dynamics affect zooplankton community variability. Freshwater Biology 54:2351-2363.

  39. 39)Longhi, M.L. and Beisner, B.E. 2009. Environmental factors controlling the vertical distribution of phytoplankton in lakes.  Journal of Plankton Research 31: 1195-1207. 

  40. 40)Romanuk, T.N., Beisner, B.E., Hayward, A., Jackson, L.J., Post, J.R. and McCauley, E. 2009. Processes governing riverine fish species richness are scale-independent. Community Ecology, 10: 17-24.

  41. 41)Lévesque, S and BE Beisner 2008. Assessing the horizontal spatio-temporal structure of lake zooplankton. Proc. Internat. Assoc. Theor. Appl. Limnol. 30:279-282.

  42. 42)Finlay, K., Beisner, B.E., Patoine, A., and Pinel-Alloul, B. 2007. Regional ecosystem variability drives the relative importance of bottom-up and top-down factors of zooplankton size spectra. Canadian Journal of Fisheries and Aquatic Sciences 64:516-529.

  43. 43)Barnett, A.J. and Beisner, B.E. 2007. Zooplankton biodiversity and primary productivity: explanations invoking resource abundance and distribution. Ecology, 88:1675-1686.

  44. 44)Barnett, A.J., K. Finlay and Beisner, B.E. 2007. Functional diversity of crustacean zooplankton: Towards a trait-based classification. Freshwater Biology 52:796-813.

  45. 45)Finlay, K., Beisner, B.E. and Barnett, A. 2007. The use of the Laser Optical Plankton Counter to measure zooplankton size, density, and biomass in small freshwater lakes. Limnology and Oceanography Methods, 5: 41-49.

  46. 46)Hovius, J., Beisner, B.E., McCann, K.S., and N.D. Yan.  2007. Indirect food web effects of Bythotrephes invasion: responses by the rotifer Conochilus in Harp Lake, Canada.  Biological Invasions 9: 233-243.

  47. 47)Beisner, B.E., Peres-Neto, P.R., Lindström, E., Barnett, A., and Longhi, M.L.  2006. The role of environmental and spatial processes in structuring lake communities from bacteria to fish. Ecology,87:2985-2991.

  48. 48)Romanuk, T.N., Beisner, B.E., Martinez, N.D. and Kolasa, J. 2006. Non-omnivorous generality promotes population stability. Biology Letters 2:374-377.

  49. 49)Hovius, J.T., Beisner, B.E., and McCann, K.S. 2006. Epilimnetic rotifer community responses to Bythotrephes longimanus invasion in Canadian Shield lakes. Limnology and Oceanography 51:1004-1012.

  50. 50)Beisner, B.E., Hovius, J., Hayward, A., Kolasa, J., and Romanuk, T. 2006. Environmental productivity and biodiversity effects on invertebrate community invasibility. Biological Invasions 8:655-664.

  51. 51)Beisner, B.E., D. Haydon, K.L. Cuddington. 2004. Alternative view on alternative stable states. Frontiers in Ecology and the Environment 2: 11-11.

  52. 52)Peterson, G.D., Beard, T.D., Beisner, B.E., Bennett, E.M., Carpenter, S.R., Cumming, G.S., Dent, C.L and Havlicek, T.D. 2003. Assessing future ecosystem services a case study of the Northern Highlands Lake District, Wisconsin. Conservation Ecology 7.

  53. 53)Beisner, B.E., C.L. Dent and S.R. Carpenter. 2003. Variability of lakes on the landscape: Roles of phosphorus, food webs and dissolved organic carbon. Ecology 84:1563-1575.

  54. 54)Beisner, B.E., A.R. Ives and S.R. Carpenter. 2003. The effects of an exotic fish invasion on the prey communities of two lakes. Journal of Animal Ecology 72: 331-342.

  55. 55)Freund, JA, L Schimansky-Geier, BE Beisner, A Neiman, DF Russell, T Yakusheva, F Moss 2002. Behavioral stochastic resonance: how the noise from a Daphnia swarm enhances individual prey capture by juvenile paddlefish. Journal of Theoretical Biology, 214:71-83.

  56. 56)Beisner, B.E. 2001. Phytoplankton community structure in fluctuating environments and the roles of productivity and herbivory. Oikos 95:496-510.

  57. 57)Beisner, B.E.  2001.  Herbivory in variable environments: the effects of vertical mixing and Daphnia on phytoplankton community structure. Canadian Journal of Fisheries and Aquatic Sciences 58:1371-1379.

  58. 58)Freund, JA, J Kienert, L Schimansky-Geier, BE Beisner, A Neiman, D Russell, T Yakusheva, F Moss 2001. Behavioral stochastic resonance: How a noisy army betrays its outpost. Physics Review E 63, 031910.

  59. 59)Anderies, J.M. and B.E. Beisner. 2000. Fluctuating environments and phytoplankton community structure: a stochastic model. American Naturalist 155: 556-569.

  60. 60)Beisner, B.E. and Myers, J.H. 1999. Population density and transmission of virus in experimental populations of the western tent caterpillar (Lepidoptera: Lasiocampidae). Environmental Entomology 28: 1107 - 1113.

  61. 61)Beisner, B.E., E. McCauley and F.J. Wrona.  1997.  The influence of temperature and food chain length on plankton predator-prey dynamics. Canadian Journal of Fisheries and Aquatic Sciences  54:586-595.

  62. 62)Beisner, B.E., E. McCauley, and F.J. Wrona.  1997.  Predator-prey instability: individual-level mechanisms for population-level results.  Functional Ecology 11:112-120.

  63. 63)Beisner, B.E., E. McCauley and F.J. Wrona.  1996. Temperature-mediated dynamics of planktonic food chains: the effect of an invertebrate carnivore.  Freshwater Biology 35:219-232.

  64. 64)Reader, R.J., S.D. Wilson, J.W. Belcher, I. Wisheu, P.A. Keddy, D. Tilman, E.C. Morris, J.B. Grace, J.B. McGraw, H. Olff, R. Turkington, E. Klein, Y. Leung, B. Shipley, R van Hulst, M.E. Johansson, C. Nilsson, J. Gurevitch, K. Grigulis, and B.E. Beisner. 1994. Plant competition in relation to neighbor biomass: an intercontinental study with Poa pratensis. Ecology 75:1753-1760.

  65. 65)Reader, R.J. and Beisner, B.E. 1991. Species-dependent effects of seed predation and ground cover on seedling emergence of old-field forbs. American Midland Naturalist 126: 279-286.

Livres / Books

  1. 1)Beisner,  B.E., Messier, C., L-A Giraldeau, (Eds).  2012. Nature all around us: a guide to urban ecology. University of Chicago Press, Chicago, IL.

  2. 2)Messier, C., L-A Giraldeau, B.E. Beisner (Eds).  2006. L’écologie en ville :25 leçons d’écologie de terrain.  FiDES, Montréal, QC.

  3. 3)Cuddington, K.L. and B.E. Beisner (Eds). 2005. Ecological Paradigms Lost: Routes to Theory Change.  Elsevier Academic Press, San Diego, CA. 435 pp.

Chapitres / Chapters

  1. 1)Beisner, B.E., D. Haydon and K.L. Cuddington (2008). Ecological Models : Hysteresis.  In: The Encyclopedia of Ecology, Jorgensen, S.E. and B.D. Fath, eds. 1st Edition, Elsevier B.V., Oxford.

  2. 2)J.L. Sabo, Beisner, B.E., Berlow, E.L, Cuddington, K., Hastings, A., Koen Alonso, M., McCann, K.,  Melian, C., and Moore, J. 2006.  “Population dynamics and food web structure—Predicting measurable food web properties with minimal detail and resolution”. An invited chapter for Dynamic Food Webs (deRuiter, P.C., Wolters, V. and Moore, J.C. Eds), Elsevier.

  3. 3)Beisner, B.E. and T.N. Romanuk. 2006. “Diversity, productivity and invasibility relationships in rock pool food webs”.  An invited chapter for Dynamic Food Webs (deRuiter, P.C., Wolters, V. and Moore, J.C. Eds), Elsevier.

Articles sous invitation / Invited articles

  1. 1)Beisner, B.E. 2012. A plankton research gem: the probable closure of the Experimental Lakes Area, Canada. Journal of Plankton Research. 34: 849 - 852.

  2. 2)Gonzalez, A and BE Beisner 2011. Book Review: Homage to G. Evelyn Hutchinson. Conservation Biology 25: 1253-1254.

  3. 3)Beisner, BE and YT Prairie. 2011.  Book Review of Freshwater Ecology 2nd Edition (Dodds & Whiles), Am. Soc. of Limnology and Oceanography Bulletin 20: 16-18.

  4. 4)Beisner, B 2007. Book Review of Limnoecology 2nd Edition (W Lampert and U Sommer). Am. Soc. of Limnology and Oceanography Bulletin, 16: 76-78.

  5. 5)Beisner, B 2005. Book Review of Food Webs at the Landscape Level (Polis, GA, ME Power, and GR Huxel, Eds). Ecology and Society 10(1): 5. [online] URL:

  6. 6)Beisner, BE 2002. Book Review of Scaling Relations in Experimental Ecology (Gardner, RH, WM Kemp, VS Kennedy, JE Petersen, Eds). Conservation Ecology 6(1): 8. [online] URL:

Anciens élèves et post-doctorants

Post-doctorants / Post-docs

Dr. Catherine Brown

Dr. Alexandrine Pannard

Dr. Kerri Finlay

Dr. Tamara Romanuk

Dr. Eva Lindström

Dr. Akash Sastri

Dr. Corinne Pomerleau


Amanda Winegardner (co)

El-Amine Mimouni (co)

Anneli Jokela

Maria Lorena Longhi

Richard Vogt

Angela Kouris (co)

Kerri Finlay (co)


Laurent Fraser

Marie-Pier Hébert

Julia Hart

Pierre-Olivier Benoit (co)

Vincent Ouellet-Jobin

Geneviève Thibodeau

Johanna Gauthier

Myriam Jourdain

Ariane Cantin

Martin Lavoie

Kathleen McMeekin

Maria Maezo

Sonya Lévesque

Alain Barnett

Jonathan Hovius

B.Sc. et/and Master (France)

C Chang Guo, B Kiepura, M Dramé, A Vosse, R Richard, C Dumais, L Fraser, E LaPierre, F Casasanta, K Mac Si-Hone, A Langlais-Bourassa, M Berbiche, A Simoneau, R Richard, C Underwood, V Pilorge, G Lainé-Panet, T Veyret, MP Beauvais , E Lavieville, J Vasseur, V Ouellet Jobin, K ElMasri, G Thibodeau , C Biane, G Collin, R Beauséjour, C Dalmas, J Gauthier, T Lachartre, E Campech, J Pokorny, M Gauthier, M Jourdain, A Rivière, S Lévesque, C Falardeau, A Boisvert, M Maezo, S Louis, B Ward A Barnett, N Fesnoux, J Hovius, B Williams, G Puncher, R Clinch