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Native turncoats and indirect facilitation of species invasions

journal contribution
posted on 2023-05-19, 15:24 authored by Northfield, TD, Laurance, SGW, Mayfield, MM, Paini, DR, Snyder, WE, Stouffer, DB, Jeffrey WrightJeffrey Wright, Lach, L
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.

History

Publication title

Proceedings of the Royal Society of London. Biological Sciences

Volume

285

Issue

1871

Article number

20171936

Number

20171936

Pagination

1-9

ISSN

0962-8452

Department/School

Institute for Marine and Antarctic Studies

Publisher

Royal Soc London

Place of publication

6 Carlton House Terrace, London, England, Sw1Y 5Ag

Rights statement

Copyright 2018 The Authors

Repository Status

  • Restricted

Socio-economic Objectives

Other environmental management not elsewhere classified

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