The Role of the Delay Time in the Modeling of Biological Range Expansions
dc.contributor.author
dc.date.accessioned
2013-02-11T08:46:36Z
dc.date.available
2013-02-11T08:46:36Z
dc.date.issued
2004
dc.identifier.issn
0012-9658
dc.identifier.uri
dc.description.abstract
The time interval between successive migrations of biological species causes a delay time in the reaction-diffusion equations describing their space-time dynamics. This lowers the predicted speed of the waves of advance, as compared to classical models. It has been shown that this delay-time effect improves the modeling of human range expansions. Here, we demonstrate that it can also be important for other species. We present two new examples where the predictions of the time-delayed and the classical (Fisher) approaches are compared to experimental data. No free or adjustable parameters are used. We show that the importance of the delay effect depends on the dimensionless product of the initial growth rate and the delay time. We argue that the delay effect should be taken into account in the modeling of range expansions for biological species
dc.format.mimetype
application/pdf
dc.language.iso
eng
dc.publisher
Ecological Society of America (ESA)
dc.relation.ispartof
© Ecology, 2004, vol. 85, núm. 1, p. 258-264
dc.relation.ispartofseries
Articles publicats (D-CCAA)
dc.rights
Tots els drets reservats. Copyright by the Ecological Society of America
dc.subject
dc.title
The Role of the Delay Time in the Modeling of Biological Range Expansions
dc.type
info:eu-repo/semantics/article
dc.rights.accessRights
info:eu-repo/semantics/openAccess
dc.type.version
info:eu-repo/semantics/publishedVersion
dc.identifier.idgrec
002623