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Wang, X.* ; Efendiyev, M.A. ; Lutscher, F.*

How spatial heterogeneity affects transient behavior in reaction-diffusion systems for ecological interactions?

Bull. Math. Biol. 81, 3889-3917 (2019)
DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
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
Language english
Publication Year 2019
HGF-reported in Year 2019
ISSN (print) / ISBN 0092-8240
e-ISSN 1522-9602
Quellenangaben Volume: 81, Issue: 10, Pages: 3889-3917 Article Number: , Supplement: ,
Publisher Springer
Publishing Place 233 Spring St, New York, Ny 10013 Usa
Reviewing status Peer reviewed
POF-Topic(s) 30205 - Bioengineering and Digital Health
Research field(s) Enabling and Novel Technologies
PSP Element(s) G-503800-001
Scopus ID 85071322112
PubMed ID 31444675
Erfassungsdatum 2019-10-01