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Progress towards the Eradication of Mikania Vine (Mikania micrantha) and Limnocharis (Limnocharis flava) in Northern Australia

Published online by Cambridge University Press:  20 January 2017

Simon J. Brooks
Affiliation:
Cooperative Research Centre for Australian Weed Management, Tropical Weeds Research Centre, Biosecurity Queensland, Department of Primary Industries and Water, P.O. Box 187, Charters Towers, Queensland 4820, Australia
F. Dane Panetta*
Affiliation:
Cooperative Research Centre for Australian Weed Management, Alan Fletcher Research Station, Biosecurity Queensland, Department of Primary Industries and Water, P.O. Box 36, Sherwood, Queensland 4075, Australia
Kylie E. Galway
Affiliation:
Previously Project Coordinator, Biosecurity Queensland, Department of Primary Industries and Fisheries, currently Queensland Parks and Wildlife Service, Parks Division North Region, Conservation Planning, P.O. Box 2066, Cairns 4870, Queensland, Australia
*
Corresponding author's E-mail: dane.panetta@dpi.qld.gov.au

Abstract

To eradicate a weed invasion, its extent must be delimited and each infestation must be extirpated. Measures for both of these criteria are utilized to assess the progress of current eradication programs targeting mikania vine and limnocharis in northern Australia. The known infested area for each species is less than 5 ha and has remained largely static for the last 3 or more years against a backdrop of refined and enhanced detection methods. This suggests that delimitation has been approached, if not achieved. Different methods of detection have their places, relative to the stage of the program and the spatial distribution of infestations. Although all known infestations of both species are effectively monitored and controlled, ongoing emergence from persistent seed banks limits progress towards the extirpation of infestations to a slow, but measurable, rate.

Type
Case Study
Copyright
Copyright © Weed Science Society of America 

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References

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