Camille S. Delavaux
Mycorrhizal types influence island biogeography of plants
Delavaux, Camille S.; Weigelt, Patrick; Dawson, Wayne; Essl, Franz; van Kleunen, Mark; König, Christian; Pergl, Jan; Pyšek, Petr; Stein, Anke; Winter, Marten; Taylor, Amanda; Schultz, Peggy A.; Whittaker, Robert J.; Kreft, Holger; Bever, James D.
Authors
Patrick Weigelt
Dr Wayne Dawson wayne.dawson@durham.ac.uk
Associate Professor
Franz Essl
Mark van Kleunen
Christian König
Jan Pergl
Petr Pyšek
Anke Stein
Marten Winter
Amanda Taylor
Peggy A. Schultz
Robert J. Whittaker
Holger Kreft
James D. Bever
Abstract
Plant colonization of islands may be limited by the availability of symbionts, particularly arbuscular mycorrhizal (AM) fungi, which have limited dispersal ability compared to ectomycorrhizal and ericoid (EEM) as well as orchid mycorrhizal (ORC) fungi. We tested for such differential island colonization within contemporary angiosperm floras worldwide. We found evidence that AM plants experience a stronger mycorrhizal filter than other mycorrhizal or non-mycorrhizal (NM) plant species, with decreased proportions of native AM plant species on islands relative to mainlands. This effect intensified with island isolation, particularly for non-endemic plant species. The proportion of endemic AM plant species increased with island isolation, consistent with diversification filling niches left open by the mycorrhizal filter. We further found evidence of humans overcoming the initial mycorrhizal filter. Naturalized floras showed higher proportions of AM plant species than native floras, a pattern that increased with increasing isolation and land-use intensity. This work provides evidence that mycorrhizal fungal symbionts shape plant colonization of islands and subsequent diversification.
Citation
Delavaux, C. S., Weigelt, P., Dawson, W., Essl, F., van Kleunen, M., König, C., …Bever, J. D. (2021). Mycorrhizal types influence island biogeography of plants. Communications Biology, 4(1), https://doi.org/10.1038/s42003-021-02649-2
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 7, 2021 |
Online Publication Date | Sep 24, 2021 |
Publication Date | 2021 |
Deposit Date | Nov 16, 2021 |
Publicly Available Date | Nov 16, 2021 |
Journal | Communications Biology |
Electronic ISSN | 2399-3642 |
Publisher | Nature Research |
Peer Reviewed | Peer Reviewed |
Volume | 4 |
Issue | 1 |
DOI | https://doi.org/10.1038/s42003-021-02649-2 |
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This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
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