Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/109733
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Type: Journal article
Title: Geographical range expansion of alien birds and environmental matching
Author: Su, S.
Cassey, P.
Dyer, E.
Blackburn, T.
Citation: Ibis, 2017; 159(1):193-203
Publisher: Wiley
Issue Date: 2017
ISSN: 0019-1019
1474-919X
Statement of
Responsibility: 
Shan Su, Phillip Cassey, Ellie E. Dyer, Tim M. Blackburn
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 explore the role of environmental suitability (including anthropogenic influences, climate and habitat types) in the establishment success of alien bird species introduced to Taiwan. Using maximum entropy modelling, we employed a recursive feature elimination and Akaike information criterion (AIC)-based stepwise model selection approach to assess 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 tend to have larger alien range sizes in Taiwan. There was no effect of environmental suitability on alien range size in Taiwan, but environmental suitability influenced the establishment success of bird species there.
Keywords: Alien species; bird trade; environmental suitability; invasion pathway; Taiwan; wildlife trade
Rights: © 2016 British Ornithologists’ Union
RMID: 0030059933
DOI: 10.1111/ibi.12418
Appears in Collections:Earth and Environmental Sciences publications

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