Veronique Lesage

Image Lesage, Veronique
Research scientist

Research on Conservation and Biology of Marine Mammals

Fisheries and Oceans Canada

Current research and/or projects

Dr. Véronique Lesage joined the Department of Fisheries and Oceans in 2000, as a research scientist working on cetaceans in the Quebec region. She is a member of the committee of scientific advisors for the Society of Marine Mammalogy, and of the research groups Quebec Ocean and Arcticnet. Dr. Lesage has been studying marine mammals since 1990. Her past research has examined habitat use and foraging ecology of harbour seals in Atlantic Canada, and effects of manmade noise and vessel traffic on beluga whales in both the St Lawrence Estuary and northern Quebec (Nunavik).

Current research involves studies on trophic relationships, foraging ecology, spatial use and movements of beluga whales, fin whales, blue whales and harbour porpoises, population dynamics of beluga whales, harbour porpoise-commercial fisheries interactions, and effects of manmade noise and vessel traffic on beluga, and blue whales

Research and/or project statements

Professional activities / interests

Professor at:

  • Laval University, Quebec
  • University of Quebec in Rimouski, ISMER

Education and awards

M.Sc. Biology (1994) Laval University, Qubec

Ph.D. Biology (1999) University of Waterloo, Ontario

B.Sc. Biology (1990) Laval University, Quebec

Key publications

Primary Publications:

  1. Lesage, V. & M. C. S. Kingsley. 1998. Updated status of the St Lawrence River population of the Beluga, Delphinapterus leucas. Canadian-Field Naturalist 112(1): 98-113
  2. Lesage, V., Barrette C. & M. C. S. Kingsley. 1999. The effect of noise from an outboard motor and a ferry on the vocal activity of beluga (Delphinapterus leucas) in the St Lawrence Estuary, Canada. Marine Mammal Science 15(1): 65-84
  3. Hammill, M. O., V. Lesage, G. Lobb, P. Carter and F. Voegeli. 1999. A remote release mechanism to recover time-depth-recorders from marine mammals. Marine Mammal Science 15(2): 584-588
  4. Lesage, V., M. O. Hammill & K. M. Kovacs. 1999. Classification of harbour seal dives using depth profile, swimming velocity and an index of foraging success. Canadian Journal of Zoology 77: 74-87
  5. Pillet, S., V. Lesage, M. Hammill, D. Cyr, J.-M. Bouqueneau, and M. Fournier. 2000. Effects of mercury and zinc on phagocytic activity of peripheral blood leukocytes of two species of seals from the St Lawrence Estuary. Marine Pollution Bulletin 40(11): 921-927
  6. Lesage, V., M. O. Hammill and K.M. Kovacs. 2001. Marine mammals and the community structure of the Gulf and Estuary regions of the St Lawrence (Canada). Marine Ecology Progress Series 210: 203-221
  7. Lesage, V., and M.O. Hammill. 2001. The status of the Grey seal (Halichoerus grypus) in the Northwest Atlantic. Canadian Field-Naturalist 115(4): 653-662
  8. Lesage, V., M.O. Hammill, and K.M. Kovacs. 2002. Diet-tissue fractionation of stable carbon and nitrogen isotopes in phocid seals. Marine Mammal Science 18(1): 182-193
  9. Hammill, M.O., V. Lesage, and M.C.S. Kingsley. 2003. Correspondence: Cancer in Beluga from the St. Lawrence Estuary, Quebec, Canada. Environmental Health Perspectives 111(2): A77-A78
  10. Hammill, M.O., V. Lesage, J.-F. Gosselin, H. Bourdages, B. De March, and M.C.S. Kingsley. 2004. Evidence for a decline in northern Quebec (Nunavik) beluga. Arctic 57(2): 183-195
  11. Lesage, V., Hammill, M.O., and K.M. Kovacs. 2004. Long distance movements of harbour seals from a seasonally ice-covered area, the St Lawrence River estuary, Canada. Canadian Journal of Zoology 82(7): 1070-1081
  12. Hammill, M.O., V. Lesage, F. and P. Carter. 2005. What do harp seals eat? Comparing diet reconstructions from different compartments of the digestive tract with diets estimated from stable isotope ratios. Canadian Journal of Zoology 83: 1365-1372
  13. Lesage, V., J. Keays, S. Turgeon, and S. Hurtubise. 2006. Bycatch of harbour porpoises (Phocoena phocoena) in the gillnet fishery of the Estuary and Gulf of St Lawrence, 20002002. Journal of Cetacean Research and Management 8(1): 67-78
  14. Hammill, M.O., V. Lesage, P. Richard, and P. Hall. 2007. A response to 'Sentients being and wildlife resources: Inuit, beluga whales and management regimes in the Canadian Arctic. Human Ecology 35: 639-640
  15. Lewis, A., M.O. Hammill, Power, D.W. Doidge and V. Lesage. 2009. Movement and aggregation of Eastern Hudson Bay beluga whales (Delphinapterus leucas): a comparison of patterns found through satellite telemetry and Nunavik traditonal ecological knowledge. Arctic 62:13-24
  16. Dufresne, M.M., Frouin,H., Pillet, S., Hammill, M.O., Lesage, V., De Guise, S., and Fournier, M. 2010. Comparative sensitivity of two species of seals to several environmental contaminants using in vitro exposure. Marine Pollution Bulletin 60: 344-349
  17. Bailleul, F., Lesage, V., and Hammill, M.O. 2010. Spherical first-passage time: a tool to investigate area-restricted search in three-dimensional movements. Ecological Modelling 221: 1665-1673
  18. Archambault, P., Snelgrove, P., Fisher, J.A.D., Gagnon, J.-M., Garbary, D. J., Harvey, M., Kenchington, E., Lesage, V., Levesque, M., Lovejoy, C., Mackas, D. McKindsey, C.W., Nelson, J., Pépin, P., Piché, L., Poulin, M. 2010. From Sea to Sea: Canada's Three Oceans of Biodiversity. PLoS ONE 5(8):e12182. doi:10.1371/journal.pone.0012182
  19. Lesage, V., Morin, Y., Rioux, E., Pomerleau, C., Ferguson, S., Pelletier, E. 2010. Stable isotopes and trace metals as indicators of diet and habitat use in cetaceans: predicting errors related to preservation, lipid extraction and normalization. Marine Ecology Progress Series 419: 249-265. doi: 10.3354/meps08825
  20. Bailleul, F., Lesage, V., and Hammill, M.O. 2010. Spherical first-passage time: a tool to investigate area-restricted search in three-dimensional movements. Ecological Modelling 221: 1665-1673.
  21. Dufresne, M.M., Frouin,H., Pillet, S., Hammill, M.O., Lesage, V., De Guise, S., and Fournier, M. 2010. Comparative sensitivity of two species of seals to several environmental contaminants using in vitro exposure. Marine Pollution Bulletin 60: 344-349.
  22. McQuinn, I., Lesage, V., Carrier, D., Larrivée, G., Samson, Y., Chartrand, S., Michaud, R., Theriault, J. 2011. A threatened beluga (Delphinapterus leucas) population in the traffic lane: vessel-generated noise characteristics of the Saguenay-St. Lawrence Marine Park, Canada. Journal of the Acoustical Society of America 130(6): 3661-3673
  23. Pomerleau, C., Ferguson, S.H., Luque, S., Patterson, T.A., Lesage, V., Heide-Jørgensen, M.-P., Dueck, L.L. 2011. Bowhead whale (Balaena mysticetus) diving and movement patterns in the Eastern Canadian Arctic: Implications for foraging ecology. Endangered Species Research 15: 167-177.
  24. Pomerleau, C., Winkler, G., Sastri, A., Nelson, J., Vagle, S., Lesage, V., Ferguson, S. 2011. Spatial patterns in zooplankton communities across the eastern Canadian subarctic and Arctic waters: Insight from stable carbon (δ13C) and nitrogen (δ15N) isotope ratios. Journal of Plankton Research 33(12): 1779-1792, doi:10.1093/plankt/fbr080
  25. Anderwald, P., Daníelsdóttir, A.K., Haug, T., Larsen, F., Lesage, V., Reid, R., Víkingsson, G.A., Hoelzel, A.R. 2011. Possible cryptic stock structure for minke whales in the North Atlantic; implications for conservation and management. Biological Conservation 144: 2479-2489.
  26. Doniol-Valcroze, T., Lesage, V., Giard, J., Michaud, R. 2011. Optimal foraging theory predicts diving and feeding strategies of the largest marine predator. Behavioural Ecology 22(4): 880-888.
  27. Pomerleau, C., Lesage, V., Ferguson, S.H., Winkler, G., Petersen, S.D., Higdon, J.W. 2012. Prey assemblage isotopic variability as a tool for assessing diet and the spatial distribution of bowhead whale (Balaena mysticetus) foraging in the Canadian eastern Arctic. Marine Ecology Progress Series 469:161-174.
  28. Rioux, È., Lesage, V., Postma, L., Pelletier, É., Turgeon, J. Stewart, R.E.A., Stern. G., Hammill, M.O. 2012. Use of stable isotopes and trace elements to determine harvest composition and wintering assemblages of belugas at a contemporary ecological scale. Endangered Species Research 18: 179-191.
  29. Bailleul, F., Lesage, V., Power, M., Doidge, D.W., Hammill, M.O. 2012. Migration phenology of beluga whales in a changing Arctic. Climate Research 53: 169-178.
  30. Doniol-Valcroze, T., Lesage, V., Giard, J., Michaud, R. 2012. Challenges in marine mammal habitat modelling: evidence of multiple foraging habitats from the identification of feeding events in blue whales. Endangered Species Research 17: 255-268
  31. Bailleul F., Lesage V., Power M., Doidge D.W., and Hammill, M.O. 2012. Differences in diving and movement patterns of two groups of beluga whales in a changing Arctic environment reveal discrete populations. Endangered Species Research 17: 27-41.
  32. Lemieux-Lefebvre, S., Michaud, R., Lesage, V., Berteau, D. 2012. Identifying high residency areas of the threatened the St. Lawrence beluga whale from fine-scale movements of individuals and coarse-scale movements of herds. Marine Ecology Progress Series 450: 243-257.
  33. Colbeck, G.J., Duchesne, P.D., Postma, L., Lesage, V., Hammill, M.O., Turgeon, J. 2013. Groups of related belugas (Delphinapterus leucas) travel together during their seasonal migrations in and around Hudson Bay. Proceedings of the Royal Society of London B, 280. Doi: 10.1098/rspb.2012.2552
  34. Pomerleau, C., Lesage, V., Winkler, G., Rosenberg, B., Ferguson, S.H. 2014. Contemporary diet of bowhead whales (Balaena mysticetus) from the eastern Canadian Arctic inferred from fatty acid biomarkers. Arctic 67(1): 84-92.
  35. Kiszka, J., Lesage, V., Ridoux, V. 2014. Effect of ethanol preservation on stable carbon and nitrogen isotope values in cetacean epidermis: implication for using archived biopsy samples. Marine Mammal Science 30(2): 788-795.
  36. Gavrilchuk, K., Lesage, V., Ramp, C., Sears, R., Bearhop, S., Beauplet, G. 2014. Trophic niche partitioning among sympatric baleen whale species during the period following the collapse of groundfish stocks in the Northwest Atlantic. Marine Ecology Progress Series 497: 285–301.
  37. Maps, F., Plourde, S., McQuinn, I.H., St-Onge-Drouin, S., Lavoie, D., Chassé, J., Lesage, V. 2015. Linking acoustics and Finite-Time Lyapunov Exponents (FTLE) reveals areas and mechanisms of krill aggregation within the Gulf of St. Lawrence, eastern Canada. Limnology and Oceanography 08/2015; 60(6): 1965-1975. DOI: 10.1002/lno.10145
  38. Marcoux, M., Lesage, V., Thiemann, G.W., Iverson, S.J., Ferguson, S.H. 2015. Age estimation of belugas using fatty acid composition: a promising method with some caveats. Marine Mammal Science DOI: 10.1111/mms.12212
  39. Mosnier, A., Doniol-Valcroze, T., Gosselin, J.-F., Lesage, V., Measures, L.M., Hammill, M.O. 2015. Insights into processes of population decline using an integrated population model: the case of the St. Lawrence beluga (Delphinapterus leucas). Ecological Modelling 314: 15-31.
  40. Gomez, C., Lawson, J.W., Wright, A.W., Buren, A., Tollit, D., Lesage, V. 2016. Behavioural responses of marine mammals to man-made sounds and recommendations for the future. Can. J. Zool. DOI: 10.1139/cjz-2016-0098
  41. Lesage, V., Gosselin, J.-F., Mosnier, A., Larocque, R., Lebeuf, M. 2017. Définition et caractérisation de l’habitat du béluga du Saint-Laurent par une approche écosystémique. pp. 74-86. In Savenkoff, C., Gagné, J.A., Gilbert, M., et al. Le concept d’approche écosystémique appliqué à l’estuaire du Saint-Laurent (Canada). Environ. Rev. 25: 26-96.
  42. Lesage, V., Omrane, A., Doniol-Valcroze, T., Mosnier, A. 2017. Increased proximity of vessels reduces feeding opportunities of blue whales in the St. Lawrence Estuary, Canada. Endangered Species Research 32: 351-361. https://doi.org/10.3354/esr00825
  43. Simond, A., Houde, M., Lesage, V., Verreault, J. 2017. Temporal trends of PBDEs and emerging flame retardants in belugas from the St. Lawrence Estuary (Canada) and comparisons with minke whales and belugas from the Canadian Arctic. Environ. Res. 156: 494-504.
  44. Lesage, V., Gavrilchuk, K., Andrews, R., Sears, R. 2017. Local and migratory movements of blue whales (Balaenoptera musculus) satellite-tracked in the western North Atlantic. Endangered Species Research 34: 27-37. https://doi.org/10.3354/esr00838
  45. Lemieux Lefebvre, S., Lesage, V., Michaud, R., Humpfries, M. 2018. Combining herd surface activities with individual dive profiles to classify behaviours in beluga from the St. Lawrence Estuary, Canada. Can. J. Zool. 96: 393-410. https://doi.org/10.1139/cjz-2017-0015.
  46. Chion, C., Turgeon, S., Cantin, G., Michaud, R., Ménard, N., Lesage, V., Parrott, L., Beaufils, P., Clermont, Y., Gravel, C. 2018. A voluntary conservation agreement reduces the risks of lethal collisions between ships and whales in the St. Lawrence Estuary (Québec, Canada): From co-construction to monitoring compliance and assessing effectiveness. PLOS ONE 13(9): e0202560. https://doi.org/10.1371/journal.pone.0202560.
  47. Lesage, V. 2018. Beluga from the St. Lawrence Estuary populaiton, Canada. pp. 151-159. In NAMMCO. Report of the Global Review of Monodontids. 13-16 March 2017, Hillerod, Denmark.
  48. Mosnier, A., Gosselin, J.-F., Lawson, J., Plourde, S., Lesage, V. 2019. Predicting seasonal occurrence of leatherback turtles (Dermochelys coriacea) in eastern Canadian waters from turtle and sunfish (Mola mola)  sighting data, and habitat characteristics. Canadian Journal of Zoology 97: 464-478. doi: 10.1139/cjz-2018-0167
  49. Simond, A.E., Houde, M., Lesage, V., Michaud, R., Zbinden, D., Verreault, J. 2019. Associations between organohalogen contaminant and thyroid- and steroid-related gene responses in St. Lawrence Estuary beluga and minke whales. Marine Pollution Bulletin 145: 174-184.
  50. Watt, C., Doniol-Valcroze, T., Witting, L., Hobbs, R., Guldborg, H., Lee, D.S., Marcoux, M., Lesage, V., Ferguson, S., Heide-Jorgensen, M.-P. In press. Hunt allocation modeling for migrating marine mammals: the case of Baffin Bay narwhal. Marine Fisheries Review (August 2018; accepted 25 April 2019)
  51. Plourde, S., Lehoux, C., Johnson, C.L., Perrin, G., Lesage, V. 2019. North Atlantic right whale (Eubalaena glacialis) and its food: (I) a spatial climatology of Calanus biomass and new potential foraging habitats in Canadian waters. Journal of Plankton Research
  52. Guilpin, M., Lesage, V., McQuinn, I., Goldbogen, J., Jeanniard-du-Dot, T., Doniol-Valcroze, T., Michaud, R., Moisan, M., Winkler, G. Accepted. Foraging energetics and prey density requirements of western North Atlantic blue whales in the Estuary and Gulf of St. Lawrence, Canada. Accepted. Marine Ecology Progress Series 625: 205-223.

Secondary Publications:

  1. Lesage, V. & M. C. S. Kingsley. 1995. Bilan des connaissances de la population de bélugas (Delphinapterus leucas) du Saint-Laurent. Rapport technique canadien des sciences halieutiques et aquatiques 2041: vii + 44 p
  2. Lesage, V., M. O. Hammill & K. M. Kovacs. 1995. Harbour seal (Phoca vitulina) and grey seal (Halichoerus grypus) abundance in the St Lawrence Estuary. Canadian Manuscript Report of Fisheries and Aquatic Sciences 2307: iii + 19 p
  3. Hammill, M.O., V. Lesage, Y. Dubé, and L. Measures. 2001. Oil and gas exploration in the southeastern Gulf of St Lawrence: a review of information on pinnipeds and cetaceans in the area. Canadian Science Advisory Secretariat, Res. Doc. 2001/115. 39 pp.
  4. Gosselin, J.-F., V. Lesage, and A. Robillard. 2001. Population index estimate for the beluga of the St Lawrence River estuary in 2000. Canadian Science Advisory Secretariat, Res. Doc. 2001/049. 21 pp.
  5. Lesage, V., D.W. Doidge, and R. Fibich. 2001. Harvest statistics for beluga whales in Nunavik, 1974–2000. Canadian Science Advisory Secretariat, Res. Doc. 2001/022. 35 pp.
  6. Gosselin, J.-F., V. Lesage, M.O. Hammill, and H. Bourdages. 2002. Abundance indices of beluga in James Bay, eastern Hudson Bay, and Ungava Bay in summer 2001. Canadian Science Advisory Secretariat, Res. Doc. 2002/042. 27 pp.
  7. Bourdages, H., V. Lesage, M.O. Hammill, and B. De March. 2002. Impact of harvesting on population trends of beluga in eastern Hudson Bay. Canadian Science Advisory Secretariat, Res. Doc. 2002/036. 45 pp.
  8. Lesage, V. and M.O. Hammill. 2003. Proceedings of the workshop on the development of research priorities for the northwest Atlantic blue whale population. DFO Can. Sci. Advis. Sec. Proceed. Ser. 2003/031. 35 pp
  9. Lesage, V., J. Keays, S. Turgeon, and S. Hurtubise. 2004. Incidental mortality of harbour porpoises (Phocoena phocoena) in the gillnet fishery of the Estuary and Gulf of St Lawrence in 20002002. Canadian Technical Report of the Fisheries and Aquatic Sciences 2552: 37 pp
  10. Hammill, M.O., Lesage, V., and J.-F. Gosselin. 2005. Abundance of eastern Hudson Bay belugas. Canadian Science Advisory Secretariat. Res. Doc. 2005/010. 17 p.
  11. Lesage, V., and D.W. Doidge. 2005. Harvest statistics for beluga whales in Nunavik, 1974–2004. Canadian Science Advisory Secretariat. Res. Doc. 2005/012.
  12. Robillard, V. Lesage, and M.O. Hammill. 2005. Distribution and abundance of harbour seals (Phoca vitulina concolor) and grey seals (Halichoerus grypus) in the Estuary and Gulf of St. Lawrence during 1994–2001. Can. Tech. Rep. Fish. Aquat. Sci. 2613: 152 pp
  13. Hammill, M.O., L.N. Measures, J.-F. Gosselin, and V. Lesage. 2007. Lack of recovery in St Lawrence Estuary beluga. CSAS Res. Doc. 2007/026.
  14. Gosselin, J.-F., M.O. Hammill and V. Lesage. 2007. Comparisons of photographic and visual abundance indices of belugas in the St Lawrence Estuary in 2003 and 2005. CSAS Doc. Res. 2007/025.
  15. Lesage, V., Gosselin, J.-F., Hammill, M.O., Kingsley, M.C.S., and J.W. Lawson. 2007. Ecologically and Biologically Significant Areas (EBSAs) in the Estuary and Gulf of St. Lawrence – A marine mammal perspective. CSAS Doc. Res. 2007/046
  16. Lesage, V., Baillargeon, D., Turgeon, S., and Doidge, D.W. 2009. Harvest statistics for beluga in Nunavik, 2005-2008. CSAS Doc. Res. 2009/007: 21 p
  17. Hammill, M.O., Kingsley, M.C.S., Lesage. V., Gosselin, J.-F. 2009. Abundance of Eastern Hudson Bay belugas. CSAS Doc. Res. 2009/009: 18 p
  18. Hammill, M.O., and Lesage, V. 2009. Seasonal movements and abundance of beluga in northern Quebec (Nunavik) based on weekly sightings information. CSAS Doc. Res. 2009/010: 14 p
  19. Mosnier, A., Lesage, V., Gosselin, J.-F., Lemieux Lefebvre, S., Hammill, M.O., Doniol-Valcroze, T. 2009. Information relevant to the documentation of habitat use by St. Lawrence beluga (Delphinapterus leucas), and quantification of habitat quality. CSAS Doc. Res. 2009/098: iv + 36 p
  20. Gosselin, J.-F., Lesage, V., Hammill, M.O. 2009. Index estimates of abundance for beluga in eastern Hudson Bay, James Bay, and Ungava Bay in summer 2008. CSAS Doc. Res. 2009/006: 25 p
  21. Doniol-Valcroze, T, Hammill, M. O. and Lesage, V. 2010. Harvest advice for Eastern Hudson Bay beluga (Delphinapterus leucas). DFO Can. Sci. Advis. Sec. Res. Doc. 2010/121. iv + 13 p
  22. Mosnier, A., Lesage, V., Gosselin, J.-F., Lemieux Lefebvre, S., Hammill, M.O., Doniol-Valcroze, T. 2010. Information relevant to the documentation of habitat use by St. Lawrence beluga (Delphinapterus leucas), and quantification of habitat quality. DFO Can. Sci. Advis. Sec., Res. Doc. 2009/098. iv + 35 p. Available at http://www.dfo-mpo.gc.ca/csas
  23. Doniol-Valcroze, T, Hammill, M. O. and Lesage, V. 2012.  Information on abundance and harvest of eastern Hudson Bay beluga (Delphinapterus leucas). DFO Can. Sci. Advis. Sec., Res. Doc. 2011/119. iv + 7 p. Available at http://www.dfo-mpo.gc.ca/csas
  24. Doniol-Valcroze, T, Lesage, V., Hammill, M. O. 2012.  Management implication of closure of estuaries to hunting of beluga in Nunavik. DFO Can. Sci. Advis. Sec., Res. Doc. 2011/130. iv + 16 p. Available at http://www.dfo-mpo.gc.ca/csas
  25. Postma, L.D., Petersen, S.D., Turgeon, J., Hammill, M. O. and Lesage, V., Doniol-Valcroze, T. 2012.  Beluga in James Bay: A separate entity from eastern Hudson Bay belugas? DFO Can. Sci. Advis. Sec., Res. Doc. 2012/074. iii + 23 p. Available at http://www.dfo-mpo.gc.ca/csas
  26. Stewart, R.E.A., V. Lesage, J.W. Lawson, H. Cleator and K.A. Martin. 2012. Science Technical Review of the draft Environmental Impact Statement (EIS) for Baffinland’s Mary River Project. DFO Can. Sci. Advis. Sec. Res. Doc. 2011/086. vi + 62 p.
  27. Lawson, J.W. and Lesage, V. 2013. A draft framework to quantify and cumulate risks of impacts from large development projects for marine mammal populations: A case study using shipping associated with the Mary River Iron Mine project. DFO Can. Sci. Advis. Sec., Res. Doc. 2012/154. iv + 22 p. Available at http://www.dfo-mpo.gc.ca/csas
  28. Lesage V., Comtois S., Savenkoff C., Simard Y., Gosselin J.-F. 2013. Mammifères marins, pp. 16-23 in Gagné, P, Ouellet, P, Savenkoff, C., Galbraith, P.S., Bui, A.O.V., Bourassa, M.-N. (Éd.), Rapport intégré de l’initiative de recherche écosystémique (IRÉ) de la région du Québec pour le projet : Les espèces fourragères responsables de la présence des rorquals dans l’estuaire maritime du Saint-Laurent. DFO Can. Sci. Advis. Sec., Res. Doc. vi + 181 p. Available at http://www.dfo-mpo.gc.ca/csas
  29. McQuinn, I.H., Sears, R., Plourde, S., Gosselin, J.-F., Lesage, V., Doniol-Valcroze, T., St. Pierre, J.F., Dion, M., Bourassa, M.-N., Raymond, A., Michaud, R., and Ménard, N. 2013. Le rôle structurant du krill dans la distribution, le déplacement et le comportement d’alimentation des rorquals bleus dans l’EMSL et les eaux adjacentes, pp. 44-50 In in Gagné, P, Ouellet, P, Savenkoff, C., Galbraith, P.S., Bui, A.O.V., Bourassa, M.-N. (Éd.), Rapport intégré de l’initiative de recherche écosystémique (IRÉ) de la région du Québec pour le projet : Les espèces fourragères responsables de la présence des rorquals dans l’estuaire maritime du Saint-Laurent. DFO Can. Sci. Advis. Sec., Res. Doc. 2013/086. vi + 181 p. Available at http://www.dfo-mpo.gc.ca/csas
  30. COSEWIC. 2014. COSEWIC assessment and status report on the Beluga Whale Delphinapterus leucas, St. Lawrence Estuary population, in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. xii + 64 pp. (www.registrelepsararegistry.gc.ca/default_e.cfm) Written by K. Gavrilchuk and V. Lesage. Disponible à: http://www.registrelep.gc.ca/virtual_sara/files/cosewic/sr_Beluga%20Whale_2014_e.pdf).
  31. Gavrilchuk, K., and Lesage, V. 2014. Large-scale marine development projects (mineral, oil and gas, infrastructure) proposed for Canada’s North. Can. Tech. Rep. Fish. Aquat. Sci. 3069: x + 85 p. Available at: http://www.dfo-mpo.gc.ca/Library/351290.pdf
  32. Lesage, V., McQuinn, I.H., Carrier, D., Gosselin, J.-F., and Mosnier, A. 2014. Exposure of the beluga (Delphinapterus leucas) to marine traffic under various scenarios of transit route diversion in the St. Lawrence Estuary. DFO Can. Sci. Advis. Sec., Res. Doc. 2013/125. iv + 28 p. Available at http://www.dfo-mpo.gc.ca/csas
  33. Lesage, V. 2014. Trends in the trophic ecology of St. Lawrence beluga (Delphinapterus leucas) over the period 1988-2012, based on stable isotope analysis. DFO Can. Sci. Advis. Sec., Res. Doc. 2013/126. iv + 25 p. Available at http://www.dfo-mpo.gc.ca/csas
  34. Mosnier, A., Doniol-Valcroze, T., Gosselin, J.-F., Lesage, V., Measures, L., and Hammill, M.O. 2014. An age structured Bayesian population model for St. Lawrence Estuary beluga. DFO Can. Sci. Advis. Sec., Res. Doc. 2013/127. vi + 41 p. Available at http://www.dfo-mpo.gc.ca/csas
  35. Plourde, S., Galbraith, P., Lesage, V., Grégoire, F., Bourdage, H., Gosselin, J.-F., McQuinn, I., and Scarratt, M. 2014.  Ecosystem perspective on changes and anomalies in the Gulf of St. Lawrence: a context in support to the management of the St. Lawrence beluga whale population. DFO Can. Sci. Advis. Sec., Res. Doc. 2013/129. vi + 27 p. Available at http://www.dfo-mpo.gc.ca/csas
  36. Lesage, V., Mosnier, A., Measures, L., Lair, S., Béland, P. 2014. Mortality patterns in St. Lawrence Estuary beluga (Delphinapterus leucas), inferred from the carcass recovery data, 1983-2012. DFO Can. Sci. Advis. Sec., Res. Doc. 2013/118. ii + 24 p. Available at http://www.dfo-mpo.gc.ca/csas
  37. Mosnier, A., Larocque, R., Lebeuf, M., Gosselin, J.-F., Dubé, S., Lapointe, V., Lesage, V., Lefaivre, D., Senneville, S., Chion, C. 2016. Définition et caractérisation de l'habitat du béluga du Saint-Laurent selon une approche écosystémique. DFO Can. Sci. Advis. Sec. Res. Doc. 2016/052. vi + 93 p. Available at http://www.dfo-mpo.gc.ca/csas
  38. Lesage, V., Gavrilchuk, K., Andrews, R., Sears, R. 2016. Wintering areas, fall movements and foraging sites of blue whales satellite-tracked in the Northwest Atlantic. DFO Can. Sci. Advis. Sec., Res. Doc. 2016/078. v + 38 p. Available from http://www.dfo-mpo.gc.ca/csas
  39. Plourde, S., Lehoux, C., McQuinn, I.H., and Lesage, V. 2016. Describing krill distribution in the western North Atlantic using statistical habitat models. DFO Can. Sci. Advis. Sec., Res. Doc. 2016/111. v + 34 p. Available from http://www.dfo-mpo.gc.ca/csas
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