title: Population cycles caused by overcompensating density-dependence in an annual plant.
abstract: We analyse demographic data from a seven-year study of the annual crucifer Erophila verna which showed two-year cycles of abundance in the field. The unusual behaviour of this population is shown to be the consequence of overcompensating density-dependence. Very local differences in germination succes between plots can account for observed differences in their population dynamics over the long term.
authors.affiliation: Institute of Botany, Warsaw University, Al. Ujazdowskie 4, 00-478, Warsaw, Poland.
authors.forename: E
authors.initials: E
authors.lastname: Symonides
authors.affiliation: Section of Ecology & Systematics, Cornell University, 14853, Ithaca, NY, USA.
authors.forename: J
authors.initials: J
authors.lastname: Silvertown
authors.affiliation: Section of Ecology & Systematics, Cornell University, 14853, Ithaca, NY, USA.
authors.forename: V
authors.initials: V
authors.lastname: Andreasen
keywords: Demography; Density-dependence; Erophila; Germination