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ORNITHOLOGICAL SCIENCE
Article . 2004 . Peer-reviewed
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Australasian bird invasions: accidents of history?

Authors: Brook, B.;

Australasian bird invasions: accidents of history?

Abstract

Exotic bird introductions to Australia, New Zealand and surrounding islands, have been aggregated into one of the best documented and most completely analysed datasets available on biological invasions. Of the 242 species introduced by Europeans to Australasia during the 18th。V20th centuries, at least 32% established long-term viable populations. A review of the literature reveals the most robust predictors of introduction success to be total number of individuals liberated, and the number of separate attempts at introduction. Using generalized linear modelling on a combined regional dataset, I confirm this result, and demonstrate that together these two characteristics of historical introductions correctly explains the observed outcome in 89.3% of cases in Australasia. Further, I show that a simple stochastic population dynamics model, derived for a sub-set of 44 species from entirely independent longterm studies, is also able to achieve a high degree of predictive success (83%). Finally, a suite of meta-analyses have shown the strongest life history and environmental correlates of introduction success to be large body size, low propensity to migrate, climatically matched habitats across the native and invasive geographical range, sexually monochromatic plumage, dietary generalism, and greater behavioural flexibility. The collective results of these analyses on Australasian introductions provide a potentially powerful framework for predicting the probable outcomes of future bird invasions worldwide.

Country
Australia
Related Organizations
Keywords

Bird introductions, Australia, 590, Biological invasions, Life history, New Zealand

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
10
Average
Average
Average
bronze