Christian Nozais

Associate Professor,
Université du Québec à Rimouski

Département de Biologie
300 allée des Ursulines
Rimouski, Québec
CANADA G5L 3A1
Tel: (418)723-1986
E-mail: christian_nozais@uqar.ca
Institution page



Education
  • Doctorate (Ph.D.) - Biologic oceanography: 1995, Université de Paris VI (P & M Curie) FRANCE
  • Master's (equivalent) - (Master's of advanced studies) Biologic oceanography: 1991, Université de Paris VI (P & M Curie) FRANCE
  • Bachelor's, Honours - Biology of organisms and populations Ecology: 1990, Université de Paris VI (P & M Curie) FRANCE
  • Bachelor's (equivalent) - Life sciences Biology of organisms and populations: 1989, Université de Paris VI (P & M Curie) FRANCE
  • Bachelor's - Life sciences Biology of organisms and populations: 1988, Université de Paris VI (P & M Curie) FRANCE


Research
I’m interested in community ecology and aquatic ecosystems, ecological concepts of biodiversity, energy flow and the cycles of living substances. I am also interested in distribution patterns in species and the role of biodiversity in the functioning of coastal aquatic ecosystems.

QCBS students
Jory Cabrol, Ph.D.
(Start: 2014, End: 2017)
Other (co-)supervisor: Réjean Tremblay, UQAR
Other QCBS (co-)supervisor: Gesche Winkler
Thesis title: Feeding behaviour and physiological condition of dominant krill species in the estuary and the Gulf of St. Lawrence
Personal page
Julie-Camille Riva, M.Sc.
(Start: 2017, End: 2018)
Other QCBS (co-)supervisor: François Vézina
Sarah Senécal, M.Sc.
(Start: 2017, End: 2019)
Other QCBS (co-)supervisor: François Vézina
Noémie Pelletier, B.Sc.
(Start: 2015, End: 2017)
Other (co-)supervisor: Philippe Archambault, Laval University
Thesis title: Interactions trophiques entre les métazoaires et les tapis microbiens formant les stromatolites.
Pascale Tremblay, Postdoctoral fellow
(Start: 2014, End: 2017)

Thesis title: Molecular approach to assess the diet of cryptic species complex living in coexistence
Previous students (since 2009)
Mathilde Couturier, Ph.D.
(Start: 2012, End: 2016)

Other (co-)supervisor: Chaillou, Gwénaëlle
Thesis title: Biogeochemistry of pore water in northern sandy beaches
Personal page
Gonzalo Bravo, M.Sc.
(Start: 2015, End: 2017)

Other (co-)supervisor: Phillipe Archambault
Thesis title: Short-term responses of arctic deep-sea benthic macrofauna to pulses of phytodetritus: An experimental approach
Personal page
Éric Harvey, M.Sc.
(Start: 2009, End: 2011)
Thesis title: Biodiversité et fonctionnement des écosystèmes aquatiques
Marie Maillot, M.Sc.
(Start: 2015, End: 2017)

Other (co-)supervisor: Francois Charles
Other QCBS (co-)supervisor: Dominique Gravel
Thesis title: interactions trophiques et non trophiques en milieu détritique littoral lacustre
Gabrielle Trottier, M.Sc.
(Start: 2013, End: 2015)

Other QCBS (co-)supervisor: Irene Gregory-Eaves
Thesis title: Effects of winter water level drawdown on the biodiversity and abundance of macroinvertebrates in temperate lakes
Courses
BIO-378-00 - Fonctionnement des écosystèmes marins (Fall / Automne)
BIO-546-12 - Diversité et écologie des microorganismes (Fall / Automne)
BIO-321-05 - Microbiologie (Fall / Automne)
BIO 222 15 - Diversité et écologie des algues (NA)
BIO 277 00 - Exploitation, altération et protection des océans (Fall / Automne)

Publications
49- Nitrogen transformations along a shallow subterranean estuary
Couturier M., Tommi-Morin G., Sirois M., Rao A., Nozais C., Chaillou G.
2017 Biogeosciences (Date Added: 2017-07-26)

48- Overlapping trophic niches among co-occurring amphipods from a cryptic species complex
Dionne K., Dufresne F., Nozais C.
2017 Freshwater Biology (Date Added: 2017-04-12)

47- Trophic ecology of coastal soft bottoms: A dive into the stew of marine sediment
Charles, F., Nozais, C., Lantoine F., Coston-Guarini, J.
2016 Vie et Milieu (Date Added: 2017-05-23)

46- Combined in situ experimentation and modelling approaches to disentangle processes involved in the earliest stage of community assembly
Fanfard S., Charles F., Coston-Guarini J., Nozais C., Guarini J.
2016 Community Ecology (Date Added: 2017-02-22)

45- Do novel ecosystems follow predictable trajectories? Testing the trophic surge hypothesis in reservoirs using fish
Turgeon, K., Solomon, C.T., Nozais, C., Gregory-Eaves, I.
2016 Ecosphere (Date Added: 2017-02-01)

44- Microtidal subterranean estuaries as a source of fresh terrestrial dissolved organic matter to the coastal ocean
Couturier, M., Nozais, C., Chaillou, G.
2016 Marine Chemistry (Date Added: 2016-10-11)

43- Variation in δ13C and δ15N trophic enrichment factors among Hyalella azteca amphipods from different lakes
Dionne, K., Dufresne, F., Nozais, C.
2016 Hydrobiologia (Date Added: 2016-08-01)

42- Fish population dynamics in response to impoundment: Testing the trophic surge hypothesis in boreal and temperate reservoirs
Turgeon K, Solomon CT, Nozais C and Gregory-Eaves I
2016 Ecosphere (Date Added: 2016-06-23)

41- Impact of forest harvesting on water quality and fluorescence characteristics of dissolved organic matter in eastern Canadian Boreal Shield lakes in summer
Glaz, P., Gagné, J.-P., Archambault, P., Sirois, P., Nozais, C.
2015 Biogeosciences (Date Added: 2016-02-01)

40- Metabolic activity and functional diversity changes in sediment prokaryotic communities organically enriched with mussel biodeposits
Pollet, Thomas, Cloutier, Olivier, Nozais, Christian, McKindsey, Christopher W., Archambault, Philippe
2015 PLoS ONE (Date Added: 2015-05-05)

39- Feeding rates of amphipods in boreal lakes: Is there a seasonal shift independent of temperature and photoperiod?
Dionne, K., Charles, F., Nozais, C.
2014 Hydrobiologia (Date Added: 2015-02-19)

38- Meiofauna affect the macrobenthic biodiversity-ecosystem functioning relationship
Piot, A., Nozais, C., Archambault, P.
2014 Oikos (Date Added: 2015-02-19)

37- Body size as a predictor of species loss effect on ecosystem functioning
Séguin, A., Harvey, É., Archambault, P., Nozais, C., Gravel, D.
2014 Scientific Reports (Date Added: 2015-01-07)

36- Identity effects dominate the impacts of multiple species extinctions on the functioning of complex food webs
Harvey, Eric, Séguin, Annie, Nozais, Christian, Archambault, Philippe, Gravel, Dominique
2013 Ecology (Date Added: 2013-04-25)

35- Genome size differences in Hyalella cryptic species
Vergilino, R., Dionne, K., Nozais, C., Dufresne, F., Belzile, C.
2012 Genome / National Research Council Canada = Genome / Conseil National de Recherches Canada (Date Added: 2016-07-11)

33- Ecodynamics of PAHs at a peri-urban site of the French Mediterranean Sea
Charles, François, Nozais, Christian, Pruski, Audrey M., Bourgeois, Solveig, Méjanelle, Laurence, Vétion, Gilles, Rivière, Béatrice, Coston-Guarini, Jennifer
2012 Environmental Pollution (Date Added: 2012-09-19)

32- Trophic relationships and UV-absorbing compounds in a Mediterranean medio-littoral rocky shore community
Nahon, Sarah, Nozais, Christian, Delamare-Deboutteville, Jérôme, Escoubeyrou, Karine, Desmalades, Martin, Pruski, Audrey M., Karsten, Ulf, Charles, François
2012 Journal of Experimental Marine Biology and Ecology (Date Added: 2012-09-19)

31- No evidence for temporal variation in a Cryptic species community of freshwater amphipods of the Hyalella azteca species complex
Dionne, K., Vergilino, R., Dufresne, F., Charles, F., Nozais, C.
2011 Diversity (Date Added: 2015-02-19)

30- Environmental Change in the Great Whale River Region, Hudson Bay: Five Decades of Multidisciplinary Research by Centre d'études Nordiques (CEN)
Bhiry, Najat, Delwaide, Ann, Allard, Michel, Bégin, Yves, Filion, Louise, Lavoie, Martin, Nozais, Christian, Payette, Serge, Pienitz, Reinhard, Saulnier-Talbot, Émilie, Vincent, Warwick F.
2011 Ecoscience (Date Added: 2012-06-27)

29- Mucus composition and bacterial communities associated with the tissue and skeleton of three scleractinian corals maintained under culture conditions
Tremblay, Pascale, Weinbauer, Markus G., Rottier, Cécile, Guérardel, Yann, Nozais, Christian, Ferrier-Pagès, Christine
2010 Journal of the Marine Biological Association of the United Kingdom (Date Added: 2012-06-27)

28- Teaching the microbial growth curve concept using microalgal cultures and flow cytometry
Forget, Nathalie, Belzile, Claude, Rioux, Pierre, Nozais, Christian
2010 Journal of Biological Education (Date Added: 2012-06-27)

27- Macroinvertebrates on coarse woody debris in the littoral zone of a boreal lake
Glaz, Patricia N., Nozais, Christian, Arseneault, Dominique
2009 Marine and Freshwater Research (Date Added: 2012-06-27)

26- Phytoplankton biomass and production in the southeastern Beaufort Sea in autumn 2002 and 2003
Brugel, S, Nozais, C, Poulin, M, Tremblay, Je, Miller, La, Simpson, Kg, Gratton, Y, Demers, S
2009 Marine Ecology Progress Series (Date Added: 2012-06-27)

25- The recovery of microalgal production and biomass in a South African temporarily open/closed estuary, following mouth breaching
Anandraj, Akash, Perissinotto, Renzo, Nozais, Christian, Stretch, Derek
2008 Estuarine, Coastal and Shelf Science (Date Added: 2012-06-27)

24- Variations of the abundance and nucleic acid content of heterotrophic bacteria in Beaufort Shelf waters during winter and spring
Belzile, Claude, Brugel, Sonia, Nozais, Christian, Gratton, Yves, Demers, Serge
2008 Journal of Marine Systems (Date Added: 2012-06-27)

23- Diel variations in optical properties of Imantonia rotunda (Haptophyceae) and Thalassiosira pseudonana (Bacillariophyceae) exposed to different irradiance levels
Mas, Sébastien, Roy, Suzanne, Blouin, Frédérick, Mostajir, Behzad, Therriault, Jean-Claude, Nozais, Christian, Demers, Serge
2008 Journal of Phycology (Date Added: 2012-06-27)

22- Suspended sediment and erosion dynamics in Kugmallit Bay and Beaufort Sea during ice-free conditions
Walker, Tony R., Grant, Jon, Cranford, Peter, Lintern, D. Gwyn, Hill, Paul, Jarvis, Peter, Barrell, Jeffrey, Nozais, Christian
2008 Journal of Marine Systems (Date Added: 2012-06-27)

21- Picophytoplankton and nanophytoplankton abundance and distribution in the southeastern Beaufort Sea (Mackenzie Shelf and Amundsen Gulf) during Fall 2002
Schloss, Irene R., Nozais, Christian, Mas, Sébastien, van Hardenberg, Bon, Carmack, Eddy, Tremblay, Jean-Éric, Brugel, Sonia, Demers, Serge
2008 Journal of Marine Systems (Date Added: 2012-06-27)

20- Metazoan meiofauna dynamics and pelagic–benthic coupling in the Southeastern Beaufort Sea, Arctic Ocean
Bessière, Aurélie, Nozais, Christian, Brugel, Sonia, Demers, Serge, Desrosiers, Gaston
2007 Polar Biology (Date Added: 2012-09-19)

19- A comparative study of microalgal production in a marine versus a river-dominated temporarily open/closed estuary, South Africa
Anandraj, Akash, Perissinotto, Renzo, Nozais, Christian
2007 Estuarine, Coastal and Shelf Science (Date Added: 2012-06-27)

18- Simulation of Ozone Depletion Using Ambient Irradiance Supplemented with UV Lamps
Díaz, S., Camilión, C., Escobar, J., Deferrari, G., Roy, S., Lacoste, K., Demers, S., Belzile, C., Ferreyra, G., Gianesella, S., Gosselin, M., Nozais, C., Pelletier, E., Schloss, I., Vernet, M.
2006 Photochemistry and Photobiology (Date Added: 2012-09-19)

17- UV Effects on Marine Planktonic Food Webs: A Synthesis of Results from Mesocosm Studies
Belzile, Claude, Demers, Serge, Ferreyra, Gustavo A., Schloss, Irene, Nozais, Christian, Lacoste, Karine, Mostajir, Behzad, Roy, Suzanne, Gosselin, Michel, Pelletier, Emilien, Gianesella, Sônia M. F., Vernet, Maria
2006 Photochemistry and Photobiology (Date Added: 2012-09-19)

16- Seasonal dynamics of meiofauna in a South African temporarily open/closed estuary (Mdloti Estuary, Indian Ocean)
Nozais, Christian, Perissinotto, Renzo, Tita, Guglielmo
2005 Estuarine, Coastal and Shelf Science (Date Added: 2012-09-19)

15- Effects of bio-optical factors on the attenuation of ultraviolet and photosynthetically available radiation in the North Water Polynya, northern Baffin Bay: ecological implications
Vasseur, Christophe, Mostajir, Behzad, Nozais, Christian, Denis, Michel, Fouilland, ric, Klein, Bert, Demers, Serge
2003 Marine Ecology Progress Series (Date Added: 2012-09-19)

14- Grazing rates and feeding preferences of the mysid shrimp Gastrosaccus brevifissura in a temporarily open estuary in South Africa
Kibirige, Israel, Perissinotto, Renzo, Nozais, Christian
2003 Marine Ecology Progress Series (Date Added: 2012-09-19)

13- Significance of sedimentation and grazing by ice micro- and meiofauna for carbon cycling in annual sea ice (northern Baffin Bay)
Michel, C, Nielsen, Tg, Nozais, C, Gosselin, M
2002 Aquatic Microbial Ecology (Date Added: 2012-09-19)

12- Effects of reduced UV radiation on a microbenthic community during a microcosm experiment
Roux, Raphal, Gosselin, Michel, Desrosiers, Gaston, Nozais, Christian
2002 Marine Ecology Progress Series (Date Added: 2012-09-19)

11- Occurrence of the astigmatid mite Tyrophagus in estuarine benthic sediments
Marshall, David J., Perissinotto, Renzo, Nozais, Christian, Haines, Carla-Jane, Proches, Serban
2001 Journal of the Marine Biological Association of the UK (Date Added: 2012-09-19)

10- Abundance, biomass, composition and grazing impact of the sea-ice meiofauna in the North Water, northern Baffin Bay
Nozais, C, Gosselin, M, Michel, C, Tita, G
2001 Marine Ecology Progress Series (Date Added: 2012-09-19)

9- Population dynamics, secondary production and calcification in a Mediterranean population of Ditrupa arietina (Annelida: Polychaeta)
Medernach, L., Jordana, E., Grmare, A., Nozais, C., Charles, F., Amouroux, J. M.
2000 Marine Ecology Progress Series (Date Added: 2012-09-19)

8- Predation and sediment disturbance effects of the intertidal polychaete Nereis virens (Sars) on associated meiofaunal assemblages
Tita, G., Desrosiers, G., Vincx, M., Nozais, C.
2000 Journal of Experimental Marine Biology and Ecology (Date Added: 2012-09-19)

7- Crue éclair de juillet 1996 dans la région du Saguenay (Québec). 2. Impacts sur les sédiments et le biote de la baie des Ha! Ha! et du fjord du Saguenay
Pelletier, Émilien, Deflandre, Bruno, Nozais, Christian, Tita, Guglielmo, Desrosiers, Gaston, Gagné, Jean-Pierre, Mucci, Alfonso
1999 Canadian Journal of Fisheries and Aquatic Sciences (Date Added: 2012-09-19)

6- Effects of ambient UVB radiation in a meiobenthic community of a tidal mudflat
Nozais, Christian, Desrosiers, Gaston, Gosselin, Michel, Belzile, Claude, Demers, Serge
1999 Marine Ecology Progress Series (Date Added: 2012-09-19)

5- An experimental approach to the effects of varying recruitment strategy and food intake on early reproductive traits in a brooding Mediterranean polychaete
Martin, D., Cha, J. H., Nozais, C., Bhaud, M.
1998 Marine Ecology Progress Series (Date Added: 2012-09-19)

4- Dynamics of Egg Production in Mediterranean Populations of the Terebellid Polychaete Eupolymnia Nebulosa
Nozais, Christian, Martin, Daniel, Cha, Jae-Hoon, Duchêne, Jean Claude, Charles, François, Grémare, Antoine
1997 Journal of the Marine Biological Association of the United Kingdom (Date Added: 2012-09-19)

3- Control of position in the water column by the larvae of Poecilochaetus serpens, (Polychaeta): the importance of mucus secretion
Nozais, Christian, Duchêne, Jean Claude, Bhaud, Michel
1997 Journal of Experimental Marine Biology and Ecology (Date Added: 2012-09-19)

2- Swimming behaviour and food searching in planktonic Octopus vulgaris Cuvier from hatching to settlement
Villanueva, Roger, Nozais, Christian, Boletzky, Sigurd v.
1997 Journal of Experimental Marine Biology and Ecology (Date Added: 2012-09-19)

1- Larval buoyancy and release from terebellid polychaete egg masses
Nozais, Ch., Duchêne, J.C.
1996 Journal of Experimental Marine Biology and Ecology (Date Added: 2012-09-19)