Biological Invasions (2017) 19, 2401-2417

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Olaf Booy, Aileen C. Mill, Helen E. Roy, Alice Hiley, Niall Moore, Pete Robertson, Simon Baker, Matt Brazier, Mathilde Bue, Richard Bullock, Steve Campbell, Dominic Eyre, Jim Foster, Maggie Hatton-Ellis, Jo Long, Craig Macadam, Camilla Morrison-Bell, John Mumford, Jonathan Newman, David Parrott, Robin Payne, Trevor Renals, Eoina Rodgers, Mark Spencer, Paul Stebbing, Mike Sutton-Croft, Kevin J. Walker, Alastair Ward, Stan Whittaker and Gabe Wyn (2017)
Risk management to prioritise the eradication of new and emerging invasive non-native species
Biological Invasions 19 (8), 2401-2417
Abstract: Robust tools are needed to prioritise the management of invasive non-native species (INNS). Risk assessment is commonly used to prioritise INNS, but fails to take into account the feasibility of management. Risk management provides a structured evaluation of management options, but has received little attention to date. We present a risk management scheme to assess the feasibility of eradicating INNS that can be used, in conjunction with existing risk assessment schemes, to support prioritisation. The Non-Native Risk Management scheme (NNRM) can be applied to any predefined area and any taxa. It uses semi-quantitative response and confidence scores to assess seven key criteria: Effectiveness, Practicality, Cost, Impact, Acceptability, Window of opportunity and Likelihood of re-invasion. Scores are elicited using expert judgement, supported by available evidence, and consensus-building methods. We applied the NNRM to forty-one INNS that threaten Great Britain (GB). Thirty-three experts provided scores, with overall feasibility of eradication assessed as 'very high' (8 species), 'high' (6), 'medium' (8), 'low' (10) and 'very low' (9). The feasibility of eradicating terrestrial species was higher than aquatic species. Lotic freshwater and marine species scored particularly low. Combining risk management and existing risk assessment scores identified six established species as priorities for eradication. A further six species that are not yet established were identified as priorities for eradication on arrival as part of contingency planning. The NNRM is one of the first INNS risk management schemes that can be used with existing risk assessments to prioritise INNS eradication in any area.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website

Database assignments for author(s): Helen Elizabeth Roy, Dave Parrott, Dominic Eyre

Research topic(s) for pests/diseases/weeds:
control - general

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.
Vespa velutina
Cabomba caroliniana (weed) United Kingdom
Myriophyllum heterophyllum (weed)