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The effects of invasive pests and pathogens on strategies for forest diversification.

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Title: The effects of invasive pests and pathogens on strategies for forest diversification.
Authors: Macpherson, Morag F.1 mfm@cs.stir.ac.uk, Kleczkowski, Adam1 ak@cs.stir.ac.uk, Healey, John R.2 j.healey@bangor.ac.uk, Quine, Christopher P.3 Chris.Quine@forestry.gsi.gov.uk, Hanley, Nick4 ndh3@st-andrews.ac.uk
Source: Ecological Modelling. Apr2017, Vol. 350, p87-99. 13p.
Subjects: Introduced species, Tree diseases & pests, Agricultural diversification, Bioeconomics, Tree planting
Abstract: Diversification of the tree species composition of production forests is a frequently advocated strategy to increase resilience to pests and pathogens; however, there is a lack of a general framework to analyse the impact of economic and biological conditions on the optimal planting strategy in the presence of tree disease. To meet this need we use a novel bioeconomic model to quantitatively assess the effect of tree disease on the optimal planting proportion of two tree species. We find that diversifying the species composition can reduce the economic loss from disease even when the benefit from the resistant species is small. However, this key result is sensitive to a pathogen's characteristics (probability of arrival, time of arrival, rate of spread of infection) and the losses (damage of the disease to the susceptible species and reduced benefit of planting the resistant species). This study provides an exemplar framework which can be used to help understand the effect of a pathogen on forest management strategies. [ABSTRACT FROM AUTHOR]
Copyright of Ecological Modelling is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: The effects of invasive pests and pathogens on strategies for forest diversification.
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  Data: <searchLink fieldCode="AR" term="%22Macpherson%2C+Morag+F%2E%22">Macpherson, Morag F.</searchLink><relatesTo>1</relatesTo><i> mfm@cs.stir.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Kleczkowski%2C+Adam%22">Kleczkowski, Adam</searchLink><relatesTo>1</relatesTo><i> ak@cs.stir.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Healey%2C+John+R%2E%22">Healey, John R.</searchLink><relatesTo>2</relatesTo><i> j.healey@bangor.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Quine%2C+Christopher+P%2E%22">Quine, Christopher P.</searchLink><relatesTo>3</relatesTo><i> Chris.Quine@forestry.gsi.gov.uk</i><br /><searchLink fieldCode="AR" term="%22Hanley%2C+Nick%22">Hanley, Nick</searchLink><relatesTo>4</relatesTo><i> ndh3@st-andrews.ac.uk</i>
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  Data: <searchLink fieldCode="JN" term="%22Ecological+Modelling%22">Ecological Modelling</searchLink>. Apr2017, Vol. 350, p87-99. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Introduced+species%22">Introduced species</searchLink><br /><searchLink fieldCode="DE" term="%22Tree+diseases+%26+pests%22">Tree diseases & pests</searchLink><br /><searchLink fieldCode="DE" term="%22Agricultural+diversification%22">Agricultural diversification</searchLink><br /><searchLink fieldCode="DE" term="%22Bioeconomics%22">Bioeconomics</searchLink><br /><searchLink fieldCode="DE" term="%22Tree+planting%22">Tree planting</searchLink>
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  Data: Diversification of the tree species composition of production forests is a frequently advocated strategy to increase resilience to pests and pathogens; however, there is a lack of a general framework to analyse the impact of economic and biological conditions on the optimal planting strategy in the presence of tree disease. To meet this need we use a novel bioeconomic model to quantitatively assess the effect of tree disease on the optimal planting proportion of two tree species. We find that diversifying the species composition can reduce the economic loss from disease even when the benefit from the resistant species is small. However, this key result is sensitive to a pathogen's characteristics (probability of arrival, time of arrival, rate of spread of infection) and the losses (damage of the disease to the susceptible species and reduced benefit of planting the resistant species). This study provides an exemplar framework which can be used to help understand the effect of a pathogen on forest management strategies. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Ecological Modelling is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.ecolmodel.2017.02.003
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      – Code: eng
        Text: English
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        PageCount: 13
        StartPage: 87
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      – SubjectFull: Introduced species
        Type: general
      – SubjectFull: Tree diseases & pests
        Type: general
      – SubjectFull: Agricultural diversification
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      – SubjectFull: Bioeconomics
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      – SubjectFull: Tree planting
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              Text: Apr2017
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