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Progress towards the eradication of three melastome shrub species from northern Australian rainforests

Brooks, S.J. and Panetta, F.D. and Sydes, T.A. (2009) Progress towards the eradication of three melastome shrub species from northern Australian rainforests. Plant Protection Quarterly, 24 (2). pp. 71-78.

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Publisher URL: http://www.weedinfo.com.au

Abstract

To eradicate a weed incursion, its extent must be delimited and each infestation extirpated. Measures for delimitation and extirpation are utilized to assess the progress of eradication programs currently targeting three melastome shrub species (Clidemia hirta, Miconia nervosa and M. racemosa) in north-eastern Australia. The main infested area for each species was determined during the year after initial detection, but expanded surveys have led to the discovery of isolated, smaller outlying patches. Programs are refining survey methods (including search frequency) to prevent reproduction. Weed incursions that are limited to single infestations represent a prime opportunity for eradication. However, population and dispersal data indicate that eradication will require an ongoing investment for some time for all three species. Highly persistent seed and dispersal by frugivores suggest that eradication may prove extraordinarily difficult should any of these species spread or be discovered at more locations.

Item Type:Article
Corporate Creators:QPIF
Additional Information:© Plant Protection Quarterly.
Keywords:Delimitation; extirpation; Melastomataceae; Miconia; Clidemia.
Subjects:Science > Invasive Species > Plants > Eradication and containment
Deposited On:20 Aug 2009 01:15
Last Modified:15 Jun 2011 00:00

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