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Journal article
A systems approach to biosecurity pays off: a case study investigating introduction pathways and interceptions of non-indigenous species at a biosecurity border
Biological invasions
2023
Abstract
Introduction pathway studies generally describe the diverse routes by which non-indigenous species (NIS) can be introduced but rarely consider multiple introduction pathways occurring simultaneously. In this study, multiple pathways of NIS introduction were investigated during an industrial development on a remote island off the Australian coast. Fifteen introduction pathways were categorized in association with importing locality and the type of cargo they transported. The number and types of detection events for each introduction pathway were recorded during biosecurity inspections, cargo clearances, and surveillance conducted between 2009 and 2015. In total, more than 600,000 biosecurity inspections were completed, with 5,328 border detection events recorded constituting less than 1% of the biosecurity inspections. The border inspection events were classified as animals, plant material, soil, and organic matter, with 60% identified as dead or non-viable and 40% as alive. Of those detections, 2153 were classified as NIS, consisting of 659 identified species. Live NIS detected at the border constituted only 2% of the detections. Cargo vessel and inward-bound passenger numbers peaked during the major construction period and were associated with an increase in the number of live NIS detections. All introduction pathways have complexities, unique structural aspects, and niche areas that supported NIS in surviving the effects of treatment and evading detection during the mandatory compliance inspection. This study highlights that biosecurity incursions can be minimized if a systems approach is adopted to complement traditional and other biosecurity surveillance measures.
Details
- Title
- A systems approach to biosecurity pays off: a case study investigating introduction pathways and interceptions of non-indigenous species at a biosecurity border
- Authors/Creators
- Barbara KachigundaGrey T. CouplandKerrie MengersenDevindri I. PereraJohann van der MerweSimon McKirdy
- Publication Details
- Biological invasions
- Publisher
- Springer Nature
- Number of pages
- 23
- Grant note
- Australian Research Council (ARC) Centre of Excellence in Mathematical and Statistical Frontiers (ACEMS); Australian Research Council FL150100150 / ARC Laureate Fellowship Program; Australian Research Council Chevron Australia Pty Ltd
- Identifiers
- 991005578660707891
- Copyright
- © The Author(s) 2023
- Murdoch Affiliation
- Murdoch University; Harry Butler Institute; Centre for Biosecurity and One Health
- Language
- English
- Resource Type
- Journal article
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