Optimal allocation of resources between control and surveillance for complex eradication scenarios

Abstract To ensure the success of complex invasive‐species eradication programs across large areas, efficient and effective resource allocation is crucial. This study incorporates analytical Bayesian solutions and measures of uncertainty into a framework of progressive management to guide optimal re...

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Main Authors: Mahdi Parsa, David Ramsey, Belinda Barnes
Format: Article
Language:English
Published: Wiley 2025-02-01
Series:Methods in Ecology and Evolution
Subjects:
Online Access:https://doi.org/10.1111/2041-210X.14473
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author Mahdi Parsa
David Ramsey
Belinda Barnes
author_facet Mahdi Parsa
David Ramsey
Belinda Barnes
author_sort Mahdi Parsa
collection DOAJ
description Abstract To ensure the success of complex invasive‐species eradication programs across large areas, efficient and effective resource allocation is crucial. This study incorporates analytical Bayesian solutions and measures of uncertainty into a framework of progressive management to guide optimal resource allocation between control (mop‐ups) and surveillance programs. Shannon entropy is used to quantify uncertainty, accounting for often highly skewed and bimodal distributions, and the expected value of perfect information (EVPI) is incorporated to assess the potential benefits of reducing uncertainty in key model parameters. Results demonstrate that strategies that hedge against uncertainty can improve the robustness of management outcomes substantially with only marginal increases in expected costs, and EVPI analysis identifies conditions under which investment into control or surveillance becomes worthwhile. By systematically integrating uncertainty measures into the decision‐making process, this study provides a framework that leads to more reliable outcomes from eradication programs implemented progressively over large areas.
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spelling doaj-art-ca5b67a7579f434884b095b2451895d22025-02-05T05:43:20ZengWileyMethods in Ecology and Evolution2041-210X2025-02-0116238839910.1111/2041-210X.14473Optimal allocation of resources between control and surveillance for complex eradication scenariosMahdi Parsa0David Ramsey1Belinda Barnes2Australian Bureau of Agricultural and Resource Economics and Sciences Canberra Australian Capital Territory AustraliaDepartment of Energy, Environment and Climate Action Arthur Rylah Institute Heidelberg Victoria AustraliaAustralian Bureau of Agricultural and Resource Economics and Sciences Canberra Australian Capital Territory AustraliaAbstract To ensure the success of complex invasive‐species eradication programs across large areas, efficient and effective resource allocation is crucial. This study incorporates analytical Bayesian solutions and measures of uncertainty into a framework of progressive management to guide optimal resource allocation between control (mop‐ups) and surveillance programs. Shannon entropy is used to quantify uncertainty, accounting for often highly skewed and bimodal distributions, and the expected value of perfect information (EVPI) is incorporated to assess the potential benefits of reducing uncertainty in key model parameters. Results demonstrate that strategies that hedge against uncertainty can improve the robustness of management outcomes substantially with only marginal increases in expected costs, and EVPI analysis identifies conditions under which investment into control or surveillance becomes worthwhile. By systematically integrating uncertainty measures into the decision‐making process, this study provides a framework that leads to more reliable outcomes from eradication programs implemented progressively over large areas.https://doi.org/10.1111/2041-210X.14473Bayesian modelsinvasive species eradicationresource allocationShannon entropyvalue of perfect information
spellingShingle Mahdi Parsa
David Ramsey
Belinda Barnes
Optimal allocation of resources between control and surveillance for complex eradication scenarios
Methods in Ecology and Evolution
Bayesian models
invasive species eradication
resource allocation
Shannon entropy
value of perfect information
title Optimal allocation of resources between control and surveillance for complex eradication scenarios
title_full Optimal allocation of resources between control and surveillance for complex eradication scenarios
title_fullStr Optimal allocation of resources between control and surveillance for complex eradication scenarios
title_full_unstemmed Optimal allocation of resources between control and surveillance for complex eradication scenarios
title_short Optimal allocation of resources between control and surveillance for complex eradication scenarios
title_sort optimal allocation of resources between control and surveillance for complex eradication scenarios
topic Bayesian models
invasive species eradication
resource allocation
Shannon entropy
value of perfect information
url https://doi.org/10.1111/2041-210X.14473
work_keys_str_mv AT mahdiparsa optimalallocationofresourcesbetweencontrolandsurveillanceforcomplexeradicationscenarios
AT davidramsey optimalallocationofresourcesbetweencontrolandsurveillanceforcomplexeradicationscenarios
AT belindabarnes optimalallocationofresourcesbetweencontrolandsurveillanceforcomplexeradicationscenarios