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Native turncoats and indirect facilitation of species invasions


Northfield, TD and Laurance, SGW and Mayfield, MM and Paini, DR and Snyder, WE and Stouffer, DB and Wright, JT and Lach, L, Native turncoats and indirect facilitation of species invasions, Proceedings of the Royal Society of London. Biological Sciences, 285, (1871) Article 20171936. ISSN 0962-8452 (2018) [Refereed Article]

Copyright Statement

Copyright 2018 The Authors

DOI: doi:10.1098/rspb.2017.1936


At local scales, native species can resist invasion by feeding on and competing with would-be invasive species. However, this relationship tends to break down or reverse at larger scales. Here, we consider the role of native species as indirect facilitators of invasion and their potential role in this diversity-driven ‘invasion paradox’. We coin the term ‘native turncoats’ to describe native facilitators of non-native species and identify eight ways they may indirectly facilitate species invasion. Some are commonly documented, while others, such as indirect interactions within competitive communities, are largely undocumented in an invasion context. Therefore, we use models to evaluate the likelihood that these competitive interactions influence invasions. We find that native turncoat effects increase with the number of resources and native species. Furthermore, our findings suggest the existence, abundance and effectiveness of native turncoats in a community could greatly influence invasion success at large scales.

Item Details

Item Type:Refereed Article
Keywords:biotic resistance, invasion paradox, competition, mutualism, predation, indirect effects
Research Division:Environmental Sciences
Research Group:Ecological applications
Research Field:Biosecurity science and invasive species ecology
Objective Division:Environmental Management
Objective Group:Other environmental management
Objective Field:Other environmental management not elsewhere classified
UTAS Author:Wright, JT (Associate Professor Jeffrey Wright)
ID Code:123892
Year Published:2018
Web of Science® Times Cited:18
Deposited By:Ecology and Biodiversity
Deposited On:2018-01-31
Last Modified:2018-11-21

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