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Spatially extended host-parasite interactions: the role of recovery and immunity
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Webb, Steven D., Keeling, Matthew James and Boots, Mike. (2007) Spatially extended host-parasite interactions: the role of recovery and immunity. Theoretical Population Biology, Vol.71 (No.2). pp. 251-266. ISSN 0040-5809
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Official URL: http://dx.doi.org/10.1016/j.tpb.2006.07.010
Abstract
Techniques for determining the long-term dynamics of host-parasite systems are well established for mixed populations. The field of spatial modelling in ecology is more recent but a number of key advances have been made. In this paper, we use state-of-the-art approximation techniques, supported by simulations, in order to investigate the role of recovery and immunity in spatially structured populations. Our approach is to use correlation models, namely pair-wise models, to capture the spatial relationships of contacts and interactions between individuals. We use the pair-wise framework to address a number of key ecological questions; including, the persistence of endemic limit cycles and regions of parasite-driven extinction-features which differentiate spatial from non-spatial models-and the effects on invasion fitness. We demonstrate a loss of limit cycle behaviour, in addition to an increase in the critical transmissibility and extinction thresholds, when recovery is included. This approach allows for a better analytical understanding of the dynamics of host-parasite interactions and demonstrates the importance of recovery and immunity in local interactions. (c) 2006 Elsevier Inc. All rights reserved.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QH Natural history > QH301 Biology Q Science > QH Natural history > QH426 Genetics |
| Divisions: | Faculty of Science > Life Sciences (2010- ) > Biological Sciences ( -2010) Faculty of Science > Mathematics |
| Journal or Publication Title: | Theoretical Population Biology |
| Publisher: | Academic Press |
| ISSN: | 0040-5809 |
| Date: | March 2007 |
| Volume: | Vol.71 |
| Number: | No.2 |
| Number of Pages: | 16 |
| Page Range: | pp. 251-266 |
| Identification Number: | 10.1016/j.tpb.2006.07.010 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| URI: | http://wrap.warwick.ac.uk/id/eprint/32216 |
Data sourced from Thomson Reuters' Web of Knowledge
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