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Invasive alien species (IAS) are a major threat to global biodiversity. As a result ‘Trends in IAS’ was selected as one of 22 Headline Indicators (HI) to measure progress towards the Convention on Biological Diversity's target of reducing the rate of loss of biodiversity by 2010.

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Listing of invasive alien species associated with 10 forms of uncertainty!

Populating the pressure indicator for invasive alien species - in other words ‘number of invasive alien species per country’ (see McGeoch et al. 2010) � is dependent on the availability of high quality lists of invasive alien species for a range of taxonomic group, countries and regions. The listing of invasive alien species is prone to a wide range of both avoidable and unavoidable errors.

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Contact details

email Melodie McGeoch

phone + 61 3 9902 0464

mobile + 61 (0) 499 954180