Potential lantana invasion of the Greater Blue Mountains World Heritage Area under climate change

Surrey Beatty & Sons Pty Ltd
Publication Type:
Journal Article
Pacific Conservation Biology, 2011, 17 (1-2), pp. 54 - 67
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Invasive weeds represent one of the greatest threats to ecosystem integrity worldwide, with climate change predicted to allow expansion of weed ranges in coming decades. One of Australias worst weeds is lantana (Lantana camara) which, given the potential for climatic change, is of increasing concern to those managing the mountainous regions in the countrys southeast. In order to identify potential additional threats lantana may pose for Australias valued biodiversity, this research develops a habitat suitability model for lantana in a portion of the Greater Blue Mountains World Heritage Area under current and simulated warmer conditions. Minimum temperature was found to be the most important predictor correlated with potential lantana establishment, explaining over 88% of the variation in lantana presence predicted by the model. Currently, 8% of the study area was found to be suitable for lantana, with this figure reaching 94% after a simulated 2°C rise in temperature anticipated by 2050.
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