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Appears in Collections:Computing Science and Mathematics Journal Articles
Title: The impact of increased dispersal in response to disease control in patchy environments
Authors: Lintott, Rachel A
Norman, Rachel
Hoyle, Andrew
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Keywords: Mathematical model
Patch model
Disease control
Pathogen exclusion threshold
Issue Date: 21-Apr-2013
Publisher: Elsevier
Citation: Lintott RA, Norman R & Hoyle A (2013) The impact of increased dispersal in response to disease control in patchy environments, Journal of Theoretical Biology, 323, pp. 57-68.
Abstract: This paper uses a mathematical framework to investigate the impact of increased movement in response to disturbance caused by disease control strategies. Implementation of invasive disease control strategies such as culling may cause species to disperse beyond their natural range, thus aiding the spread of infection to otherwise infection free areas. Both linear and non-linear dispersal functions are compared with constant per capita dispersal in a coupled two patch SI model. For highly virulent or infrequently transmitted pathogens, it is found that an increase of dispersal due to control requires a higher level of disease control than in the constant dispersal model. Patches which may be sources or reservoirs of infection are investigated and it is found that if dispersal increases in response to control, then all patches, reservoir or not, must be targeted. The single host two patch model is then extended to a two host wildlife/livestock system with one species ‘wildlife' free to move between patches and the other ‘livestock' confined. In the two host case, control of one species alone will only achieve successful pathogen exclusion if that species is a reservoir for infection.
Type: Journal Article
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Rights: The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.
Affiliation: University of Stirling
Computing Science - CSM Dept
Mathematics - CSM Dept

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