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Geographic range expansion of alien birds and environmental matching

Blackburn, TM; (2016) Geographic range expansion of alien birds and environmental matching. IBIS: The International Journal of Avian Science , 159 (1) pp. 193-203. 10.1111/ibi.12418. Green open access

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Abstract

The international wildlife trade is a significant source of introduced alien species, some of which proceed to become invasive and cause negative environmental and economic effects. However, not all introduced aliens establish viable populations, and it is important to identify the factors that determine establishment success. We explored the role of environmental suitability (including anthropogenic influences, climate and habitat types) in establishment success for alien bird species introduced to Taiwan. Using maximum entropy modelling, we employed a recursive feature elimination and AIC1based stepwise model selection approach to test whether the environmental suitability, native range size, body size, residence time and the numbers of birds for sale in the shops affect variation in the extent of alien bird range size in Taiwan. We show that species with larger native range sizes and larger body sizes also tend to have larger alien range sizes in Taiwan. There is no effect of environmental suitability on alien range size in Taiwan, but environmental suitability does influence bird species establishment success there.

Type: Article
Title: Geographic range expansion of alien birds and environmental matching
Open access status: An open access version is available from UCL Discovery
DOI: 10.1111/ibi.12418
Publisher version: http://dx.doi.org/10.1111/ibi.12418
Language: English
Additional information: This is the peer reviewed version of the following article: FUBlackburn, TM; (2016) Geographic range expansion of alien birds and environmental matching. IBIS: The International Journal of Avian Science, 159 (1) pp. 193-203, which has been published in final form at http://dx.doi.org/10.1111/ibi.12418. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Keywords: Alien species, bird trade, environmental suitability, invasion pathway, Taiwan, wildlife trade.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Genetics, Evolution and Environment
URI: http://discovery.ucl.ac.uk/id/eprint/1519659
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