Elevated compositional change in plant assemblages linked to invasion

Alessandra R. Kortz; Faye Moyes; Vânia R. Pivello; Petr Pyšek; Maria Dornelas; Piero Visconti; Anne E. Magurran

doi:10.1098/rspb.2022.2450

Elevated compositional change in plant assemblages linked to invasion

Alessandra R. Kortz^*, Faye Moyes, Vânia R. Pivello, Petr Pyšek, Maria Dornelas, Piero Visconti, Anne E. Magurran

^*Corresponding author for this work

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Abstract

Alien species are widely linked to biodiversity change, but the extent to which they are associated with the reshaping of ecological communities is not well understood. One possible mechanism is that assemblages where alien species are found exhibit elevated temporal turnover. To test this, we identified assemblages of vascular plants in the BioTIME database for those assemblages in which alien species are either present or absent and used the Jaccard measure to compute compositional dissimilarity between consecutive censuses. We found that, although alien species are typically rare in invaded assemblages, their presence is associated with an increase in the average rate of compositional change. These differences in compositional change between invaded and uninvaded assemblages are not linked to differences in species richness but rather to species replacement (turnover). Rapid compositional restructuring of assemblages is a major contributor to biodiversity change, and as such, our results suggest a role for alien species in bringing this about.

Original language	English
Article number	20222450
Number of pages	6
Journal	Proceedings of the Royal Society B: Biological Sciences
Volume	290
Issue number	1998
Early online date	10 May 2023
DOIs	https://doi.org/10.1098/rspb.2022.2450
Publication status	Published - 10 May 2023

Keywords

Biological invasion
Biodiversity change
Global
Invasive species
Species replacement
Turnover

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10.1098/rspb.2022.2450Licence: CC BY

Kortz_2023_RSProB_Elevated-compositional-change_CC
Copyright © 2023 The Author(s). Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.
Final published version, 500 KBLicence: CC BY

Biodiversity change in the Athropocene: Darwin, Wallace, Bates and biodiversity change in the Athropocene
Magurran, A. (PI)
The Leverhulme Trust
1/04/20 → 31/03/23
Project: Standard

Supplementary material from "Elevated compositional change in plant assemblages linked to invasion"
Kortz, A. R. (Creator), Moyes, F. (Creator), Pivello, V. R. (Creator), Pyšek, P. (Creator), Dornelas, M. (Creator), Visconti, P. (Creator) & Magurran, A. E. (Creator), The Royal Society, 2023
DOI: 10.6084/m9.figshare.c.6626097.v1
Dataset

Cite this

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title = "Elevated compositional change in plant assemblages linked to invasion",

abstract = "Alien species are widely linked to biodiversity change, but the extent to which they are associated with the reshaping of ecological communities is not well understood. One possible mechanism is that assemblages where alien species are found exhibit elevated temporal turnover. To test this, we identified assemblages of vascular plants in the BioTIME database for those assemblages in which alien species are either present or absent and used the Jaccard measure to compute compositional dissimilarity between consecutive censuses. We found that, although alien species are typically rare in invaded assemblages, their presence is associated with an increase in the average rate of compositional change. These differences in compositional change between invaded and uninvaded assemblages are not linked to differences in species richness but rather to species replacement (turnover). Rapid compositional restructuring of assemblages is a major contributor to biodiversity change, and as such, our results suggest a role for alien species in bringing this about.",

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author = "Kortz, {Alessandra R.} and Faye Moyes and Pivello, {V{\^a}nia R.} and Petr Py{\v s}ek and Maria Dornelas and Piero Visconti and Magurran, {Anne E.}",

note = "Funding: This work was supported by the Coordination for the Improvement of Higher Education Personnel (CAPES/Brazil, grant no. 88881.308367/2018-01), the Czech Science Foundation (EXPRO grant no. 19-28807X), the Czech Academy of Sciences (grant no. RVO 67985939) as well as the Leverhulme Trust (grant no. RPG-2019-402).",

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AU - Kortz, Alessandra R.

AU - Moyes, Faye

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AU - Pyšek, Petr

AU - Dornelas, Maria

AU - Visconti, Piero

AU - Magurran, Anne E.

N1 - Funding: This work was supported by the Coordination for the Improvement of Higher Education Personnel (CAPES/Brazil, grant no. 88881.308367/2018-01), the Czech Science Foundation (EXPRO grant no. 19-28807X), the Czech Academy of Sciences (grant no. RVO 67985939) as well as the Leverhulme Trust (grant no. RPG-2019-402).

PY - 2023/5/10

Y1 - 2023/5/10

N2 - Alien species are widely linked to biodiversity change, but the extent to which they are associated with the reshaping of ecological communities is not well understood. One possible mechanism is that assemblages where alien species are found exhibit elevated temporal turnover. To test this, we identified assemblages of vascular plants in the BioTIME database for those assemblages in which alien species are either present or absent and used the Jaccard measure to compute compositional dissimilarity between consecutive censuses. We found that, although alien species are typically rare in invaded assemblages, their presence is associated with an increase in the average rate of compositional change. These differences in compositional change between invaded and uninvaded assemblages are not linked to differences in species richness but rather to species replacement (turnover). Rapid compositional restructuring of assemblages is a major contributor to biodiversity change, and as such, our results suggest a role for alien species in bringing this about.

AB - Alien species are widely linked to biodiversity change, but the extent to which they are associated with the reshaping of ecological communities is not well understood. One possible mechanism is that assemblages where alien species are found exhibit elevated temporal turnover. To test this, we identified assemblages of vascular plants in the BioTIME database for those assemblages in which alien species are either present or absent and used the Jaccard measure to compute compositional dissimilarity between consecutive censuses. We found that, although alien species are typically rare in invaded assemblages, their presence is associated with an increase in the average rate of compositional change. These differences in compositional change between invaded and uninvaded assemblages are not linked to differences in species richness but rather to species replacement (turnover). Rapid compositional restructuring of assemblages is a major contributor to biodiversity change, and as such, our results suggest a role for alien species in bringing this about.

KW - Biological invasion

KW - Biodiversity change

KW - Global

KW - Invasive species

KW - Species replacement

KW - Turnover

U2 - 10.1098/rspb.2022.2450

DO - 10.1098/rspb.2022.2450

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VL - 290

JO - Proceedings of the Royal Society B: Biological Sciences

JF - Proceedings of the Royal Society B: Biological Sciences

IS - 1998

M1 - 20222450

ER -

Elevated compositional change in plant assemblages linked to invasion

Abstract

Keywords

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Biodiversity change in the Athropocene: Darwin, Wallace, Bates and biodiversity change in the Athropocene

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Supplementary material from "Elevated compositional change in plant assemblages linked to invasion"

Cite this