title: Spatial heterogeneity and the persistence of populations.
abstract: The hypothesis that dispersal in a heterogeneous environment can be an important factor in population stability is examined. It is shown that dispersal may increase the persistence time of a population by several orders of magnitude.
authors.affiliation: School of Biological Sciences, University of Sydney, Sydney, Australia.|Institute of Animal Resource Ecology, University of British Columbia, Vancouver 8, British Columbia, Canada.
authors.forename: D A
authors.initials: DA
authors.lastname: Roff