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Disease in endangered metapopulations: the importance of alternative hosts
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UNSPECIFIED (2002) Disease in endangered metapopulations: the importance of alternative hosts. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES B-BIOLOGICAL SCIENCES, 269 (1492). pp. 671-676. doi:10.1098/rspb.2001.1667 ISSN 0962-8452.
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Official URL: http://dx.doi.org/10.1098/rspb.2001.1667
Abstract
Conventional applications of metapopulation theory have suggested that increasing migration between patches is usually good for conservation. A recent analysis by Hess has pointed out a possible exception to this: when infectious disease is present, migration may promote disease spread and therefore increase local extinction. We extend Hess's model to discuss this problem: when infections have spilled over from more abundant alternative hosts. This is often the case for species of conservation concern, and we find that Hess's conclusions must be substantially modified. We use deterministic analytic and stochastic numerical approaches to show that movement between patches will rarely have a negative impact, even when the probability of external infection is low.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QH Natural history > QH301 Biology | ||||
Journal or Publication Title: | PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES B-BIOLOGICAL SCIENCES | ||||
Publisher: | ROYAL SOC LONDON | ||||
ISSN: | 0962-8452 | ||||
Official Date: | 7 April 2002 | ||||
Dates: |
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Volume: | 269 | ||||
Number: | 1492 | ||||
Number of Pages: | 6 | ||||
Page Range: | pp. 671-676 | ||||
DOI: | 10.1098/rspb.2001.1667 | ||||
Publication Status: | Published |
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