the takuvik

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Département de Biologie /
Pavillon Alexandre-Vachon
1045, av. de la Médecine, local 2064
Université Laval
Québec (Québec) G1V 0A6
Phone : +1 418 656 2131 ext. 404880


Arthur Plassart

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Phytoplankton ecophysiology

Phone : 418-656-2131

Research Interests

My project focuses on the physiological mechanisms of acclimation to prolonged periods of darkness in polar diatoms during the polar winter and spring and also, their potentials impact on the different assemblages of in situ phytoplankton communities. Today, there are still significant questions about the ability of these microalgae to adjust their photosynthetic machinery and manage their basic metabolic energy demand at very low irradiances. My research is dividing into two parts, the first being based on laboratory experiments (cell cultures) using an Arctic diatom model (Fragilariopsis cylindrus). The second part is based on the in situ characterisation of these phytoplankton communities during the polar night.


2022 - present
PhD in Oceanography
Université Laval, Canada
Études des mécanismes physiologiques d'acclimatation à des périodes d'obscurité prolongées chez les diatomées polaires, et de leurs potentiels impacts sur les assemblages phytoplanctoniques in situ

2020 - 2022
MSc. in Physical and Biochemical Oceanography
Aix-Marseille University, France
Mechanisms of photoacclimation at very low light intensities in the polar diatom Fragilariopsis cylindrus.