River impoundment and the alteration of the hydrological regime of aquatic ecosystems are suggested to be one of the major disturbances to aquatic ecosystem functions and biodiversity. Reservoirs are "novel" ecosystems that combine features of lakes (i.e. vertical gradients) and rivers (i.e. horizontal gradients). We know very little about the dominant ecological processes in reservoirs,  how they can be compared to natural lakes and rivers, and how trophic interactions and food webs evolve in reservoirs.

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Collaborators: Dr. Irene Gregory-Eaves (McGill U.); Dr. Christopher Solomon (Cary Institute); Dr. Christian Nozais (UQAR); Dr. Manuele Margni (CIRAIG; École Polytechnique); Christian Turpin (Hydro-Québec), Dr. Jean Morin (Environment Canada)