Tag Archives: invasive species

Halting the spread of cane toads

By Reid Tingley & Darren Southwell Cane toads are one of the worst invasive species in Australia. Introduced to Queensland in 1935 as a biological control agent, the toads have spread at a formidable pace across northern Australia, and have had … Continue reading

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Gauging the extent of ecosystem novelty: measuring levels of biological invasion

By Jane Catford (This article was first published in the July 2013 issue of Decision Point, The Monthly Magazine of the Environmental Decisions Group) It is all very well having an academic definition of novel ecosystems, but how do we identify them in … Continue reading

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Where are the goal posts now? Setting environmental objectives in novel ecosystems 

By Jane Catford (This article was first published in the July 2013 issue of Decision Point, The Monthly Magazine of the Environmental Decisions Group) In a rapidly changing world full of strange new assemblages of species, the goal posts for conservation aren’t as … Continue reading

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Detecting species without species-specific guides: a new, trait-based model of detectability

By Georgia Garrard (This article was first published in the February 2013 issue of Decision Point, The Monthly Magazine of the Environmental Decisions Group) Imperfect detectability of plants and animals during ecological surveys is a major issue. Get it wrong and you run … Continue reading

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The intermediate disturbance hypothesis and plant invasions: implications for species richness and management

A new paper in Perspectives in Plant Ecology, Evolution and Systematics examines the relationship between the intermediate disturbance hypothesis (IDH) and alien plant invasions. IDH predicts a hump-shaped pattern between community diversity and disturbance, and is central to understanding patterns … Continue reading

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Managing invasive aliens

In a recent newsletter article, qaecologist Jane Catford discusses some causes, impacts and ways to manage alien plant invasion in riparian ecosystems, with a particular focus on the River Murray. Published in the Inland Rivers Network News, you can find … Continue reading

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