Overlooked and underestimated: reframing restoration to include inconspicuous native invaders

Anthropogenic changes cause some native species to increase in abundance or distribution. These hyperabundant natives, native invaders, follow the same ecological ‘rules’ as exotic invasives and can have comparable impacts. However, their management is a relatively new challenge in restoration ecology, with most frameworks operating within a native‐exotic dichotomy. Identification of native invaders is affected by unconscious biases, with large charismatic species overrepresented, while inconspicuous, but ecologically significant taxa, are overlooked. We illustrate this issue using the globally invasive New Zealand mud snail (NZMS; Potamopyrgus antipodarum ) in its native range, where they have traditionally been omitted from conservation and restoration conversations. We found increases in their relative abundance and site occupation, suggesting that NZMS are emerging as a native invader. Given their potential for ecological dominance and restoration‐resistance, on‐the‐ground solutions will involve addressing the anthropogenic changes that facilitate their proliferation and targeting the NZMS‐induced biotic resistance, which jeopardizes restoration success. This exemplifies a required strategic shift towards managing an organism's impacts on people, biodiversity, and ecosystem function, rather than their origin. Ultimately, to achieve more effective restoration outcomes, policies, and practices must move beyond the traditional native/exotic distinction, fostering a broader understanding of ecological impacts and the role of native invaders like NZMS, while raising awareness and normalizing this concept in conservation and restoration efforts.

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Publication Details

Journal
Restoration Ecology
Published
2025-09-01
DOI
https://doi.org/10.1111/rec.70191
Primary Topic
Biological Control of Invasive Species
Type
article
Field-Weighted Citation Impact
0.00

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article

Overlooked and underestimated: reframing restoration to include inconspicuous native invaders

Helen J. Warburton, Saskia K. Brown, Angus R. McIntosh, Zoe B. Hamilton
Restoration Ecology
Biological Control of Invasive Species
article

Overlooked and underestimated: reframing restoration to include inconspicuous native invaders

Helen J. Warburton, Saskia K. Brown, Angus R. McIntosh, Zoe B. Hamilton
article en

Abstract

Anthropogenic changes cause some native species to increase in abundance or distribution. These hyperabundant natives, native invaders, follow the same ecological ‘rules’ as exotic invasives and can have comparable impacts. However, their management is a relatively new challenge in restoration ecology, with most frameworks operating within a native‐exotic dichotomy. Identification of native invaders is affected by unconscious biases, with large charismatic species overrepresented, while inconspicuous, but ecologically significant taxa, are overlooked. We illustrate this issue using the globally invasive New Zealand mud snail (NZMS; Potamopyrgus antipodarum ) in its native range, where they have traditionally been omitted from conservation and restoration conversations. We found increases in their relative abundance and site occupation, suggesting that NZMS are emerging as a native invader. Given their potential for ecological dominance and restoration‐resistance, on‐the‐ground solutions will involve addressing the anthropogenic changes that facilitate their proliferation and targeting the NZMS‐induced biotic resistance, which jeopardizes restoration success. This exemplifies a required strategic shift towards managing an organism's impacts on people, biodiversity, and ecosystem function, rather than their origin. Ultimately, to achieve more effective restoration outcomes, policies, and practices must move beyond the traditional native/exotic distinction, fostering a broader understanding of ecological impacts and the role of native invaders like NZMS, while raising awareness and normalizing this concept in conservation and restoration efforts.

Restoration EcologyVol. 33(8)
University of Canterbury (NZ)
University of Canterbury, New Zealand’s Biological Heritage, Royal Society, Directorate for Biological Sciences
Openalex Percentile: Top 79%
Biological Control of Invasive Species
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