Phenotypic differentiation among native, expansive and introduced populations influences invasion success

Adrian Lazaro-Lobo; Angela T. Moles; Guillaume Fried; Filip Verloove; Juan Antonio Campos; Mercedes Herrera; Elena Goni; Frederic Bioret; Gabriella Buffa; Edy Fantinato; Alexander Sentinella; Myron P. Zalucki; Margaret Mayfield; Tobias Smith; Alexandra Catling; Jacinta M. Zalucki; Rima D. Lucardi; Cory M. Shoemaker; David S. Mason; Gary N. Ervin

doi:10.1111/jbi.14252

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Phenotypic differentiation among native, expansive and introduced populations influences invasion success

Journal article

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Phenotypic differentiation among native, expansive and introduced populations influences invasion success

Adrian Lazaro-Lobo, Angela T. Moles, Guillaume Fried, Filip Verloove, Juan Antonio Campos, Mercedes Herrera, Elena Goni, Frederic Bioret, Gabriella Buffa, Edy Fantinato, …

Journal of Biogeography, Vol.48(11), pp.2907-2918

2021

DOI: https://doi.org/10.1111/jbi.14252

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Abstract

Baccharis halimifolia

common garden experiment

distributional ranges

founder effects

introduced species

local adaptations

maternal traits

selection pressure

Aim: Humans influence species distributions by modifying the environment and by dispersing species beyond their natural ranges. Populations of species that have established in disjunct regions of the world may exhibit trait differentiation from native populations due to founder effects and adaptations to selection pressures in each distributional region. We compared multiple native, expansive and introduced populations of a single species across the world, considering the influence of environmental stressors and transgenerational effects. Location: United States Gulf and Atlantic coasts, United States interior, European Atlantic and Mediterranean coasts, east coast of Australia. Taxon: Baccharis halimifolia L. (eastern baccharis). Methods: We monitored seed germination, seedling emergence, survival and early growth in a common garden experiment, conducted with over 18,200 seeds from 80 populations. We also evaluated the influence of environmental stress and maternal traits on progeny performance. Results: Introduced European Atlantic populations had faster germination and early growth than native populations. However, this was not the case for the more recently naturalized European Mediterranean populations. Introduced Australian populations grew faster than native populations in non-saline environments but had lower survival in saline conditions commonly encountered in the native range. Similarly, expansive inland US populations germinated faster than coastal native populations in non-saline environments but grew and germinated more slowly in saline environments. Maternal inflorescence and plant size were positively related with seed germination and seedling survival, whereas flower abundance was positively correlated with seedling early growth and survival. However, maternal traits explained a much lower fraction of the total variation in early demographic stages of B. halimifolia than did distributional range. Main conclusions: Phenotypic differentiation could allow B. halimifolia to adapt to different biotic and abiotic selection pressures found in each distributional range, potentially contributing to its success in introduced and expansive ranges.

Details

Title: Phenotypic differentiation among native, expansive and introduced populations influences invasion success
Authors: Adrian Lazaro-Lobo (Corresponding Author) - Mississippi State University
Angela T. Moles (Author) - UNSW Sydney
Guillaume Fried (Author) - Agence Nationale de Sécurité Sanitaire de l’Alimentation, de l’Environnement et du Travail
Filip Verloove (Author) - Meise Botanic Garden
Juan Antonio Campos (Author) - University of the Basque Country
Mercedes Herrera (Author) - University of the Basque Country
Elena Goni (Author) - University of the Basque Country
Frederic Bioret (Author) - Université de Bretagne Occidentale
Gabriella Buffa (Author) - Ca' Foscari University of Venice
Edy Fantinato (Author) - Ca' Foscari University of Venice
Alexander Sentinella (Author) - UNSW Sydney
Myron P. Zalucki (Author) - The University of Queensland
Margaret Mayfield (Author) - The University of Queensland
Tobias Smith (Author) - The University of Queensland
Alexandra Catling (Author) - The University of Queensland
Jacinta M. Zalucki (Author) - Griffith University
Rima D. Lucardi (Author) - Southern Research Station
Cory M. Shoemaker (Author) - Slippery Rock University
David S. Mason (Author) - University of Florida
Gary N. Ervin (Author) - Mississippi State University
Publication details: Journal of Biogeography, Vol.48(11), pp.2907-2918
Publisher: Wiley-Blackwell Publishing Ltd.
Date published: 2021
DOI: 10.1111/jbi.14252
ISSN: 1365-2699; 0305-0270
Grant note: P37-19-02283 / USDA Animal and Plant Health Inspection Service IT936-16 / Basque Government 19-DG11083150-006 / USDA Forest Service; United States Department of Agriculture (USDA)
Organisation Unit: Tropical Forests and People Research Centre
Language: English
Record Identifier: 99746598602621
Output Type: Journal article

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