Meet our undergraduate and graduate students, research professionals, and past members who have contributed to our scientific achievements and to the vibrant spirit of our team.
In the lab, we stay connected through hybrid lab meetings, Slack channels, and in-person activities that strengthen both collaboration and community.
Graduate students & postdocs
Pedro Freitas, Ph.D.
Postdoctoral fellow in arctic limnology
Co-supervisor: W.F. Vincent
2019-2025: Ph.D. Physical Geography, U of Lisbon.
2016-2018: M.Sc.in GIS and Spatial Modeling Applied to Planning, U of Lisbon.
2013-2016: B.Sc. in Spatial Planning and Management, U of Lisbon.
Santiago Mareque
MSc Graduate Student
Dynamics of rare earth elements along a productivity gradient in lake sediment
2025-now: M.Sc. Chimie, U. Laval.
2022-2024: B.Sc. Chimie, U. Laval.
Félix Cloutier-Artiwat
NSERC MSc Canada Graduate Scholar
Sulfur cycling along redox gradients in ice-covered arctic lakes
2024-now: M.Sc. Chimie, U. Laval.
2021-2023: B.Sc. Chimie et bioressources, UQAR.
Kimia Motevalli
PhD Student
Co-supervisor: I. Laurion
Modelling oxythermal conditions and light environments in Arctic lakes.
2021-now: Ph.D. Chimie, U. Laval.
2015-2018: M.Sc. Water resource engineering, Tehran Polytechnic, Iran.
2011-2015: B.Eng. Civil engineering, UST, Iran.
Méliane Renaud
FRQ MSc Graduate Scholar
Co-supervisor : J. Gigault
Oxyanion binding to colloidal organic matter in sub-arctic catchments
2025-now: M.Sc. Chimie, U. Laval.
2022-2024: B.Sc. Chimie et bioressources, UQAR.
Florence Mercier
NSERC PhD Canada Graduate Scholar
Dynamics of redox-sensitive micronutriments in ice-covered meromictic lakes.
Co-supervisor : C. Girard
2023-now: M.Sc. Chimie, U. Laval.
2020-2023: B.Sc. Chimie, U. Laval.
Thomas Bossé-Demers
PhD Graduate Student
Dynamics and geochemical signatures of sediment-bound rare earth elements in the Mackenzie delta region.
2020-now: Ph.D. Chimie, U. Laval.
2017-2019: M.Sc. Chimie, U. Laval.
2014-2017: B.Sc. Chimie, U. Laval.
Undergraduate research assistants
Anne-Sophie Lachance
Chemistry, 2025
NSERC USRA scholarship
Université Laval
Research professionals
Claude Bélanger, Ph.D.
Physical limnology
2021-now
Marie-Christine Lafrenière, Ph.D.
Project Manager · FROST · ArcticNet and Communications Officer
Expertise : Aquatic ecotoxicology, metals, rare earth elements, bioaccumulation, speciation, scientific redaction, illustrations, podcast.
2026–now
2025: Postdoctoral Fellow, Biology, UdeM
2020–2024: Ph.D., Biology, UdeM
2015–2018: B.Sc., Biology, UdeM
Mélodie Minville
Technicienne en travaux d'enseignement et de recherche
2023–2026 : Technicienne en travaux d'enseignement et de recherche, Département de Chimie, ULaval
2020-2023 : Technique de laboratoire, Chimie Analytique, Cégep de Lévis
Past members
Laurie Martin
Louis-Marc Bruneau Dumoulin
Audrey Laberge-Carignan, Ph.D.
Sentinelle Nord PhD Graduate Scholar
Biogeochemistry of selenium and of redox-sensitive elements in thermokarst lakes in Nunavik.
Co-supervisors: D. Larivière, J. Molson
Now : Health and Hazardous Materials Manager, Military Base.
Chloé Rivest, M.Sc.
Brandon Blanchette
M.Sc.
La dynamique interannuelle du CO₂ et O₂ en eau de surface dans un petit lac de tête
Related paper published in Ecosystems.
Supervisor: R. Maranger
Daniel Fillion, M.Sc.
Émilie Leclerc, M.Sc.
M.Sc.
Arsenic mobility in sub-artic lake sediments impacted by mining activities.
Now: Chemist at GSK.
Léo Chassiot, Ph.D.
Sentinelle Nord Postdoctoral Fellow
Limnogeology of Lake Strathcona., Ellesmere.
Supervisor: P. Lajeunesse
Now: Professor, UQTR
Catherine Gagnon, M.Sc.
NSERC MSc Canada Graduate Scholar
Governor General's Academic Medal Laureate
Role of colloidal organic carbon on trace elements transport in sub-arctic surface waters.
Co-supervisor : J. Gigault
Now : Project Manager, Ministry of Environment, Québec Government.
Gabriel St-Pierre, M.Sc.
Allyson Dalpé, M.Sc.
M.Sc.
Distribution des métabolites inorganiques du cycle du soufre dans les lacs.
Now: Environmental scientist at Englobe.
Marianne Côté, M.Sc.
M.Sc.
Modeling fish oxythermal and optical habitats in boreal lakes.
Now: Biologist at GCM Consultants.
Wessam Neweshy, M.Sc.
Ph.D. (on leave)
Fate of phosphorus in lakes undergoing lanthanum-based remediation.
Past members - Undergraduate research assistants
Maxime Del Mistro
Chemistry, 2024
NSERC USRA scholarship
Université Laval
Éloise Giroux
Chemistry, 2024
Université Laval
Santiago Mareque
Chemistry, 2023
NSERC USRA scholarship
Université Laval
Aurore Pouit
Civil and Env. Engineering, 2023
ENTPE, Lyon, France
Félix Cloutier-Artiwat
Chemistry, 2023
NSERC USRA scholarship
UQAR
Florence Mercier
Chemistry, 2022
NSERC USRA scholarship
Université Laval
Marie Demers
Chemistry, 2020 & 2021
Univeristé Laval
Audrey Gaudy
Chemistry, 2021
NSERC USRA scholarship
Université Laval
Julien Bellavance
Information technology, 2019
Université Laval
Sarah-Michèle Cormier
Chemistry, 2019
Université Laval
Marie Rheault-Leclair
Chemistry, 2019
Université Laval
Bya Ezzahr
DUT Chemistry, 2018
Université Paris-Est
Visiting researchers, past and present
Brandon Blanchette
Visiting MSc, 2023
GRIL
Université de Montréal
Supervisor: R. Maranger
Diogo Ferreira
Visiting PhD, 2019-2021
Instituto Superior Técnico
University of Lisbon
Supervisor: J. Canário
Nicolas Messina
Visiting MSc, 2018
Civil Engineering
University of Maine
Supervisor: A. Amirbahman
Leonor Carvahlo
Visiting MSc, 2023
Instituto Superior Técnico
University of Lisbon
Supervisor: J. Canário
Matilde Pereira
Visiting MSc, 2022
Instituto Superior Técnico
University of Lisbon
Supervisor: J. Canário
Cristiana Dias
Visiting MSc, 2022
Instituto Superior Técnico
University of Lisbon
Supervisor: J. Canário
Rachel Pilla, Ph.D.
Visiting PhD, 2019
Global Change Limnology
Miami University
Supervisor: C. Williamson
Kateri Salk, Ph.D.
Visiting postdoc, June 2018 Environmental Geochemistry
University of Waterloo
Supervisor: S. Schiff