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    A method for designing complex biosecurity surveillance systems: detecting non-indigenous species of invertebrates on Barrow Island

    Access Status
    Fulltext not available
    Authors
    Whittle, P.
    Stoklosa, R.
    Barrett, S.
    Jarrad, F.
    Majer, Jonathan
    Martin, P.
    Mengersen, K.
    Date
    2013
    Type
    Journal Article
    
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    Citation
    Whittle, Peter J.L. and Stoklosa, Richard and Barrett, Susan and Jarrad, Frith C. and Majer, Jonathan D. and Martin, P.A.J. and Mengersen, Kerrie. 2013. A method for designing complex biosecurity surveillance systems: detecting non-indigenous species of invertebrates on Barrow Island. Diversity and Distributions 19 (5-6): pp. 629-639.
    Source Title
    Diversity and Distributions
    DOI
    10.1111/ddi.12056
    ISSN
    13669516
    URI
    http://hdl.handle.net/20.500.11937/46675
    Collection
    • Curtin Research Publications
    Abstract

    Aim: We developed a new method to design objective, risk-based surveillance systems for non-indigenous species of invertebrates, vertebrates and plants, which might be introduced to a natural area through an industrial project; here, we provide the invertebrate case study. The method addresses issues common to complex surveillance design problems: a statistical standard (e.g. power); information gaps; multiple targets of unclear identity; a large surveillance area of heterogeneous risk of invasion; integrating multiple sources of surveillance data; optimizing for cost. Location: Barrow Island, Western Australia. Methods: We mapped the surveillance area for risk to target surveillance activities. An expert group identified a set of exemplar species and identified and characterized a set of detection methods for each, such that all potential invaders would be detected. We devised multi-element surveillance systems to detect each exemplar to the design power (0.8), then integrated them to a single system that was optimized for cost. Results: The surveillance system was deployed on the island to specification over 1 year, then reviewed for redesign in a second period. Main conclusions: The new method provided practical, risk-based surveillance system designs that met application requirements and overcame complex issues common to many surveillance applications. A review of experiences from surveillance in the first year led to practical improvements and design efficiencies. © 2013 John Wiley & Sons Ltd.

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