Biosecurity threats: the design of surveillance systems,based on power and risk |
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| Authors: | Susan Barrett Peter Whittle Kerrie Mengersen Richard Stoklosa |
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| Affiliation: | (1) Cooperative Research Centre for National Plant Biosecurity, LPO Box 5012, Bruce, ACT, 2617, Australia;(2) School of Mathematical Sciences, Queensland University of Technology, Gardens Point Campus, PO Box 2434, Brisbane, QLD, 4001, Australia;(3) Present address: Tropical Invasive Plants, CSIRO Entomology, 120 Meiers Rd, Indooroopilly, QLD, 4068, Australia;(4) Chevron Australia Pty Ltd, 250 St Georges Tce, Perth, WA, 6000, Australia |
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| Abstract: | We consider the problem of designing a surveillance system to detect a broad range of invasive species across a heterogeneous sampling frame. We present a model to detect a range of invertebrate invasives whilst addressing the challenges of multiple data sources, stratifying for differential risk, managing labour costs and providing sufficient power of detection. We determine the number of detection devices required and their allocation across the landscape within limiting resource constraints. The resulting plan will lead to reduced financial and ecological costs and an optimal surveillance system. |
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