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Global Homogenisation of Plant Communities Along Mountain Roads by Non-Native Species Despite Mixed Effects at Smaller Scales

Research output: Journal contributions › Journal articles › Research › peer-review

Standard

Global Homogenisation of Plant Communities Along Mountain Roads by Non-Native Species Despite Mixed Effects at Smaller Scales. / Buhaly, Meike; Alexander, Jake M.; Pauchard, Aníbal et al.
In: Global Ecology and Biogeography, Vol. 34, No. 10, e70137, 10.2025.

Research output: Journal contributions › Journal articles › Research › peer-review

Harvard

Buhaly, M, Alexander, JM, Pauchard, A, Rew, LJ, Seipel, T, Arévalo, JR, Aschero, V, Averett, JP, Barros, A, Cavieres, LA, Clark, VR, Daehler, CC, Dar, PA, Fuentes-Lillo, E, Gwate, O, Jentsch, A, Kutlvašr, J, Larson, C, Lembrechts, JJ, McDougall, K, Nuñez, MA, Rashid, I, Ratier Backes, A, Reshi, ZA, Schweiger, AH, Van Meerbeek, K, Visser, V, Vítková, M, Vorstenbosch, T, Wolff, P, Zong, S & Haider, S 2025, 'Global Homogenisation of Plant Communities Along Mountain Roads by Non-Native Species Despite Mixed Effects at Smaller Scales', Global Ecology and Biogeography, vol. 34, no. 10, e70137. https://doi.org/10.1111/geb.70137

APA

Buhaly, M., Alexander, J. M., Pauchard, A., Rew, L. J., Seipel, T., Arévalo, J. R., Aschero, V., Averett, J. P., Barros, A., Cavieres, L. A., Clark, V. R., Daehler, C. C., Dar, P. A., Fuentes-Lillo, E., Gwate, O., Jentsch, A., Kutlvašr, J., Larson, C., Lembrechts, J. J., ... Haider, S. (2025). Global Homogenisation of Plant Communities Along Mountain Roads by Non-Native Species Despite Mixed Effects at Smaller Scales. Global Ecology and Biogeography, 34(10), Article e70137. https://doi.org/10.1111/geb.70137

Vancouver

Buhaly M, Alexander JM, Pauchard A, Rew LJ, Seipel T, Arévalo JR et al. Global Homogenisation of Plant Communities Along Mountain Roads by Non-Native Species Despite Mixed Effects at Smaller Scales. Global Ecology and Biogeography. 2025 Oct;34(10):e70137. doi: 10.1111/geb.70137

Bibtex

@article{7dac1cedab8a48c2ba188e8bd7cc57ff,
title = "Global Homogenisation of Plant Communities Along Mountain Roads by Non-Native Species Despite Mixed Effects at Smaller Scales",
abstract = "Aim: Mountain ecosystems are experiencing increased invasion of non-native plants. These increases in non-native species put mountains at risk of biotic homogenisation and a reduction of biodiversity. Our study aims to test if non-native plant species are contributing to biotic homogenisation along roadways in mountain regions and how this changes along elevation gradients and across spatial scales. Location: 18 globally distributed mountain regions. Time Period: 2012–2023. Major Taxa Studied: Vascular plants. Methods: We used standardised vegetation surveys including species cover from 18 mountain regions worldwide to analyse whether the addition of non-native species to the native flora increased or decreased Bray–Curtis dissimilarity (i.e., beta-diversity) among roadside plant communities along elevation gradients ranging from 15 to 3919 m a.s.l. We tested this at the local, regional, continental and global scales using mixed-effects models and confirmed it using null models. Results: In the New World, we mainly observed homogenisation across regions and scales, as beta-diversity was mostly lower with the addition of non-native species. This was particularly true for low elevations. In contrast, we predominantly found community differentiation in the Old World, specifically at smaller (i.e., local and regional) scales. At the global scale, communities became more similar through the addition of non-native species at all elevations. Main Conclusions: Large-scale homogenisation might be interpreted as a signal that high-elevation plant communities along roadways may become more similar as non-native species continue to spread upwards. Future studies should investigate the mechanisms driving the observed patterns of both homogenisation and differentiation by non-native species, and explore the potential consequences of these patterns for ecosystem function and resilience.",
keywords = "altitudinal gradients, beta-diversity, community composition, homogenisation, invasive species, mountains, spatial scales, Ecosystems Research, Biology",
author = "Meike Buhaly and Alexander, {Jake M.} and An{\'i}bal Pauchard and Rew, {Lisa J.} and Tim Seipel and Ar{\'e}valo, {Jos{\'e} Ram{\'o}n} and Valeria Aschero and Averett, {Joshua P.} and Agustina Barros and Cavieres, {Lohengrin A.} and Clark, {V. Ralph} and Daehler, {Curtis C.} and Dar, {Pervaiz A.} and Eduardo Fuentes-Lillo and Onalenna Gwate and Anke Jentsch and Josef Kutlva{\v s}r and Christian Larson and Lembrechts, {Jonas J.} and Keith McDougall and Nu{\~n}ez, {Martin A.} and Irfan Rashid and {Ratier Backes}, Amanda and Reshi, {Zafar A.} and Schweiger, {Andreas H.} and {Van Meerbeek}, Koenraad and Vernon Visser and Michaela V{\'i}tkov{\'a} and Tom Vorstenbosch and Peter Wolff and Shengwei Zong and Sylvia Haider",
note = "Publisher Copyright: {\textcopyright} 2025 The Author(s). Global Ecology and Biogeography published by John Wiley & Sons Ltd.",
year = "2025",
month = oct,
doi = "10.1111/geb.70137",
language = "English",
volume = "34",
journal = "Global Ecology and Biogeography",
issn = "1466-822X",
publisher = "Wiley-Blackwell Publishing Ltd.",
number = "10",

}

RIS

TY - JOUR

T1 - Global Homogenisation of Plant Communities Along Mountain Roads by Non-Native Species Despite Mixed Effects at Smaller Scales

AU - Buhaly, Meike

AU - Alexander, Jake M.

AU - Pauchard, Aníbal

AU - Rew, Lisa J.

AU - Seipel, Tim

AU - Arévalo, José Ramón

AU - Aschero, Valeria

AU - Averett, Joshua P.

AU - Barros, Agustina

AU - Cavieres, Lohengrin A.

AU - Clark, V. Ralph

AU - Daehler, Curtis C.

AU - Dar, Pervaiz A.

AU - Fuentes-Lillo, Eduardo

AU - Gwate, Onalenna

AU - Jentsch, Anke

AU - Kutlvašr, Josef

AU - Larson, Christian

AU - Lembrechts, Jonas J.

AU - McDougall, Keith

AU - Nuñez, Martin A.

AU - Rashid, Irfan

AU - Ratier Backes, Amanda

AU - Reshi, Zafar A.

AU - Schweiger, Andreas H.

AU - Van Meerbeek, Koenraad

AU - Visser, Vernon

AU - Vítková, Michaela

AU - Vorstenbosch, Tom

AU - Wolff, Peter

AU - Zong, Shengwei

AU - Haider, Sylvia

N1 - Publisher Copyright: © 2025 The Author(s). Global Ecology and Biogeography published by John Wiley & Sons Ltd.

PY - 2025/10

Y1 - 2025/10

N2 - Aim: Mountain ecosystems are experiencing increased invasion of non-native plants. These increases in non-native species put mountains at risk of biotic homogenisation and a reduction of biodiversity. Our study aims to test if non-native plant species are contributing to biotic homogenisation along roadways in mountain regions and how this changes along elevation gradients and across spatial scales. Location: 18 globally distributed mountain regions. Time Period: 2012–2023. Major Taxa Studied: Vascular plants. Methods: We used standardised vegetation surveys including species cover from 18 mountain regions worldwide to analyse whether the addition of non-native species to the native flora increased or decreased Bray–Curtis dissimilarity (i.e., beta-diversity) among roadside plant communities along elevation gradients ranging from 15 to 3919 m a.s.l. We tested this at the local, regional, continental and global scales using mixed-effects models and confirmed it using null models. Results: In the New World, we mainly observed homogenisation across regions and scales, as beta-diversity was mostly lower with the addition of non-native species. This was particularly true for low elevations. In contrast, we predominantly found community differentiation in the Old World, specifically at smaller (i.e., local and regional) scales. At the global scale, communities became more similar through the addition of non-native species at all elevations. Main Conclusions: Large-scale homogenisation might be interpreted as a signal that high-elevation plant communities along roadways may become more similar as non-native species continue to spread upwards. Future studies should investigate the mechanisms driving the observed patterns of both homogenisation and differentiation by non-native species, and explore the potential consequences of these patterns for ecosystem function and resilience.

AB - Aim: Mountain ecosystems are experiencing increased invasion of non-native plants. These increases in non-native species put mountains at risk of biotic homogenisation and a reduction of biodiversity. Our study aims to test if non-native plant species are contributing to biotic homogenisation along roadways in mountain regions and how this changes along elevation gradients and across spatial scales. Location: 18 globally distributed mountain regions. Time Period: 2012–2023. Major Taxa Studied: Vascular plants. Methods: We used standardised vegetation surveys including species cover from 18 mountain regions worldwide to analyse whether the addition of non-native species to the native flora increased or decreased Bray–Curtis dissimilarity (i.e., beta-diversity) among roadside plant communities along elevation gradients ranging from 15 to 3919 m a.s.l. We tested this at the local, regional, continental and global scales using mixed-effects models and confirmed it using null models. Results: In the New World, we mainly observed homogenisation across regions and scales, as beta-diversity was mostly lower with the addition of non-native species. This was particularly true for low elevations. In contrast, we predominantly found community differentiation in the Old World, specifically at smaller (i.e., local and regional) scales. At the global scale, communities became more similar through the addition of non-native species at all elevations. Main Conclusions: Large-scale homogenisation might be interpreted as a signal that high-elevation plant communities along roadways may become more similar as non-native species continue to spread upwards. Future studies should investigate the mechanisms driving the observed patterns of both homogenisation and differentiation by non-native species, and explore the potential consequences of these patterns for ecosystem function and resilience.

KW - altitudinal gradients

KW - beta-diversity

KW - community composition

KW - homogenisation

KW - invasive species

KW - mountains

KW - spatial scales

KW - Ecosystems Research

KW - Biology

UR - http://www.scopus.com/inward/record.url?scp=105019793834&partnerID=8YFLogxK

U2 - 10.1111/geb.70137

DO - 10.1111/geb.70137

M3 - Journal articles

AN - SCOPUS:105019793834

VL - 34

JO - Global Ecology and Biogeography

JF - Global Ecology and Biogeography

SN - 1466-822X

IS - 10

M1 - e70137

ER -

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DOI