Paul C. J. van Rijn's research focuses on ecological and evolutionary consequences of omnivory and intraguild predation in multitrophic interactions. He uniquely combines mathematical formulation of ecological theories with experimental testing, thereby covering the range from individual physiology and behaviour, via population dynamics, to community ecology. Evolutionary theory is used to narrow down ecological assumptions, and vice versa. In 2002 he took up a post-doctorate position at the Netherlands Institute of Ecology (NIOO), Department for Multitrophic Interactions, in Heteren, where he...