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Open Access Green as soon as Postprint is submitted to ZB.
How spatial heterogeneity affects transient behavior in reaction-diffusion systems for ecological interactions?
Bull. Math. Biol. 81, 3889-3917 (2019)
Most studies of ecological interactions study asymptotic behavior, such as steady states and limit cycles. The transient behavior, i.e., qualitative aspects of solutions as and before they approach their asymptotic state, may differ significantly from asymptotic behavior. Understanding transient dynamics is crucial to predicting ecosystem responses to perturbations on short timescales. Several quantities have been proposed to measure transient dynamics in systems of ordinary differential equations. Here, we generalize these measures to reaction-diffusion systems in a rigorous way and prove various relations between the non-spatial and spatial effects, as well as an upper bound for transients. This extension of existing theory is crucial for studying how spatially heterogeneous perturbations and the movement of biological species involved affect transient behaviors. We illustrate several such effects with numerical simulations.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Reaction-diffusion Systems ; Transient Dynamics ; Spatially Heterogeneous Perturbations; Dynamics; Stability; Persistence; Resilience; Responses
ISSN (print) / ISBN
0092-8240
e-ISSN
1522-9602
Journal
Bulletin of Mathematical Biology
Quellenangaben
Volume: 81,
Issue: 10,
Pages: 3889-3917
Publisher
Springer
Publishing Place
233 Spring St, New York, Ny 10013 Usa
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Computational Biology (ICB)