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Virginie Roy

Rôles des paramètres biogéophysiques structurant la biodiversité benthique de l'Arctique canadien à différentes échelles spatiales

Virginie Roy
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Ph.D. Océanographie, 2010-present, UQAR-ISMER M.Sc. Sciences biologiques, 2008, Université de Montréal B.Sc. Spécialisé en sciences biologiques, 2005, Université de Montréal Research Interest Benthic ecology, biodiversity, seafloor topographic heterogeneity, spatial analyses, habitat mapping, Canadian Arctic.

Philippe Archambault and Kathleen Conlan

Institut des sciences de la mer de Rimouski, Université du Québec à Rimouski,

2010 - present

Marine Biodiversity, MB-03: Diversity-rugosity relationships on the Arctic shelf

virginie.roy@uqar.qc.ca Phone: 418-723-1986 ext.1252

The main objective of this doctorate is to have a better understanding of the relations between seafloor topographic heterogeneity and diverse mega- and macrobenthic community parameters (abundance, biomass, richness, diversity) on one hand, and the relations between these parameters and oceanographic variables and the quality of the food in sediments on the other hand. These relations will be evaluated at various spatial scales in the Canadian Arctic.
 
The specific thesis aims’ project are:

    1. Define composition and structure of mega- and macrobenthic communities of the Canadian Arctic Archipelago in relation to diverse biogeophysical parameters.
    2. Characterize the source and quality of  the food of ubiquist epifauna species along a trophic gradient in the Canadian Arctic Archipelago.
    3. Identify spatial scales at which biogeophysical parameters structure mega- and macrobenthic communities of the Beaufort Sea.
    4. Create a predictive model of macrobenthic diversity based on physical features of the seafloor in the Beaufort Sea.

How this specific project links with broader CHONE project:
This project investigates diversity-rugosity relationships at the seafloor within the Canadian Arctic Ocean, while other CHONe projects explore this research theme within the Pacific and Atlantic Oceans.

 

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