Dr Christensen is a professor at the University of British Columbia specialising in ecosystem modelling—in particular data-driven ecosystem model construction. He is known for his work as a leader and developer of the Ecopath project, an open source ecosystem modelling software system widely used for ecosystem based management and increasingly for environmental impact assessment . His recent publications have described global ocean models, studied global fish biomass trends, and outlined new habitat capacity models. See the Global Ocean Modelling website for an overview of projects, student activities, opportunities, and other.
