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Applying a simulation model to the management of an infestation of Miconia calvescens in the wet tropics of Australia

Hester, S.M. and Brooks, S.J. and Cacho, O.J. and Panetta, F.D. (2010) Applying a simulation model to the management of an infestation of Miconia calvescens in the wet tropics of Australia. Weed Research, 50 (3). pp. 269-279.

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Article Link(s): http://dx.doi.org/10.1111/j.1365-3180.2010.00778.x

Publisher URL: http://onlinelibrary.wiley.com/
Publisher URL: http://www.ewrs.org/

Abstract

A simulation model that combines biological, search and economic components is applied to the eradication of a Miconia calvescens infestation at El Arish in tropical Queensland, Australia. Information on the year M. calvescens was introduced to the site, the number of plants controlled and the timing of control, is used to show that currently there could be M. calvescens plants remaining undetected at the site, including some mature plants. Modelling results indicate that the eradication programme has had a significant impact on the population of M. calvescens, as shown by simulated results for uncontrolled and controlled populations. The model was also used to investigate the effect of changing search effort on the cost of and time to eradication. Control costs were found to be negligible over all levels of search effort tested. Importantly, results suggest eradication may be achieved within several decades, if resources are increased slightly from their current levels and if there is a long-term commitment to funding the eradication programme.

Item Type:Article
Corporate Creators:DEEDI, Biosecurity Queensland
Additional Information:© European Weed Research Society.
Keywords:Invasive species; eradication; cost; economics; search theory; predictive modelling; matrix model.
Subjects:Science > Invasive Species > Plants > Eradication and containment
Science > Invasive Species > Modelling > Plant
Deposited On:25 Aug 2010 05:08
Last Modified:25 Aug 2010 05:22

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