Management of invading pathogens should be informed by epidemiology rather than administrative boundaries

Plant and animal disease outbreaks have significant ecological and economic impacts. The spatial extent of control is often informed solely by administrative geography – for example, quarantine of an entire county or state once an invading disease is detected – with little regard for pathogen epidem...

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Main Authors: Thompson, R, Cobb, R, Gilligan, C, Cunniffe, N
Format: Journal article
Published: Elsevier 2016
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author Thompson, R
Cobb, R
Gilligan, C
Cunniffe, N
author_facet Thompson, R
Cobb, R
Gilligan, C
Cunniffe, N
author_sort Thompson, R
collection OXFORD
description Plant and animal disease outbreaks have significant ecological and economic impacts. The spatial extent of control is often informed solely by administrative geography – for example, quarantine of an entire county or state once an invading disease is detected – with little regard for pathogen epidemiology. We present a stochastic model for the spread of a plant pathogen that couples spread in the natural environment and transmission via the nursery trade, and use it to illustrate that control deployed according to administrative boundaries is almost always sub-optimal. We use sudden oak death (caused by Phytophthora ramorum) in mixed forests in California as motivation for our study, since the decision as to whether or not to deploy plant trade quarantine is currently undertaken on a county-by-county basis for that system. However, our key conclusion is applicable more generally: basing management of any disease entirely upon administrative borders does not balance the cost of control with the possible economic and ecological costs of further spread in the optimal fashion.
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spelling oxford-uuid:58a6ba69-64e6-461c-a342-075aca5ab0b72022-03-26T17:04:50ZManagement of invading pathogens should be informed by epidemiology rather than administrative boundariesJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:58a6ba69-64e6-461c-a342-075aca5ab0b7Symplectic Elements at OxfordElsevier2016Thompson, RCobb, RGilligan, CCunniffe, NPlant and animal disease outbreaks have significant ecological and economic impacts. The spatial extent of control is often informed solely by administrative geography – for example, quarantine of an entire county or state once an invading disease is detected – with little regard for pathogen epidemiology. We present a stochastic model for the spread of a plant pathogen that couples spread in the natural environment and transmission via the nursery trade, and use it to illustrate that control deployed according to administrative boundaries is almost always sub-optimal. We use sudden oak death (caused by Phytophthora ramorum) in mixed forests in California as motivation for our study, since the decision as to whether or not to deploy plant trade quarantine is currently undertaken on a county-by-county basis for that system. However, our key conclusion is applicable more generally: basing management of any disease entirely upon administrative borders does not balance the cost of control with the possible economic and ecological costs of further spread in the optimal fashion.
spellingShingle Thompson, R
Cobb, R
Gilligan, C
Cunniffe, N
Management of invading pathogens should be informed by epidemiology rather than administrative boundaries
title Management of invading pathogens should be informed by epidemiology rather than administrative boundaries
title_full Management of invading pathogens should be informed by epidemiology rather than administrative boundaries
title_fullStr Management of invading pathogens should be informed by epidemiology rather than administrative boundaries
title_full_unstemmed Management of invading pathogens should be informed by epidemiology rather than administrative boundaries
title_short Management of invading pathogens should be informed by epidemiology rather than administrative boundaries
title_sort management of invading pathogens should be informed by epidemiology rather than administrative boundaries
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AT cobbr managementofinvadingpathogensshouldbeinformedbyepidemiologyratherthanadministrativeboundaries
AT gilliganc managementofinvadingpathogensshouldbeinformedbyepidemiologyratherthanadministrativeboundaries
AT cunniffen managementofinvadingpathogensshouldbeinformedbyepidemiologyratherthanadministrativeboundaries