Biodiversity encompasses biological variation at the level of genes, species and ecosystems. It represents a global challenge, mainly because of the pressure exerted by the human population, which is responsible for unprecedented species extinction rates. Our studies aim to understand the origin of biodiversity as well as its evolution across space and time, in order to ensure its conservation
Plant population ecology. Competition for space. Integrated plant management. Invasive species. Aquatic macrophytes for wastewater treatment.
Plant-insect-natural ennemies interaction, biological control and urban ecology.
Molecular systematics and evolution of the Asteraceae. Flora of Quebec-Labrador and Newfoundland: distribution and conservation. “Flora of North America” Project.
Molecular systematics of legumes and the Rosa genus. Evolution of reproductive systems, pollination, polyploidy and hybridization in flowering plants.
Microbial ecology, mycorrhizal symbioses, life history strategies, plant-soil feedbacks, community assembly, ecological networks, behavioral ecology.
Ethnobiology, ethnozoology and ethnobotany. Folk classification. Medicinal plants of the First Nations of Canada. Antidiabetic and potentially antioxidant plants. Traditional knowledge of Inuits in Nunavik and Crees in Quebec.
Insect systematics and biodiversity. Cybertaxonomy. Aphid taxonomy, phylogenetics, and speciation. Biodiversity informatics.
Evolution of reproductive systems, speciation, hybridization, plant genetics, and polyploidy.
Plant development, organ patterning, live imaging of organogenesis, organ growth tracking, plant morphodynamics.
Plant functional ecology. Community and ecosystem ecology. Plant-soil interactions.
Wetland Ecology; Ecosystem Dynamics; Historical Ecology; Paleoecology; Rare Plant Conservation; Plant-Herbivore Interactions .