Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/31350
Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Global analysis of ecological niche conservation and niche shift in exotic populations of monkeyflowers (Mimulus guttatus, M. luteus) and their hybrid (M. × robertsii)
Author(s): Da Re, Daniele
Olivares, Angel P
Smith, William
Vallejo-Marin, Mario
Contact Email: mario.vallejo@stir.ac.uk
Keywords: Erythranthe
global change
hybridisation
invasive species
Mimulus
niche conservatism
niche modelling
polyploidy
Issue Date: 27-May-2020
Citation: Da Re D, Olivares AP, Smith W & Vallejo-Marin M (2020) Global analysis of ecological niche conservation and niche shift in exotic populations of monkeyflowers (Mimulus guttatus, M. luteus) and their hybrid (M. × robertsii). Plant Ecology and Diversity. https://doi.org/10.1080/17550874.2020.1750721
Abstract: Background Hybridisation associated with biological invasions may generate new phenotypic combinations, allowing hybrids to occupy new ecological niches. To date, few studies have assessed niche shifts associated with hybridisation in recently introduced populations while simultaneously characterising the niche of parental species in both native and introduced ranges. Aims Here, we compared (1) the ecological niche of a novel hybrid monkeyflower, M. × robertsii, with the niches of its two parental taxa (M. guttatus, M. luteus), and (2) the ecological niches of native (Americas) and introduced parental populations (Europe and New Zealand). Methods We assembled >13,000 geo-referenced occurrence records and eight environmental variables and conducted an ecological niche model analysis using maximum entropy, principal component and niche dynamics analysis. Results We found no evidence of niche shift in the hybrid, which may result in potential competition between parental and derived taxa in the introduced range. M. guttatus showed niche conservatism in introduced populations in Europe, but a niche shift in New Zealand, while M. luteus showed a niche shift in Europe. Conclusions The comparison of native and non-native populations of parental taxa, suggests that whether invasions result in niche shifts or not depends on both taxon and geographic region, highlighting the idiosyncratic nature of biological invasions.
DOI Link: 10.1080/17550874.2020.1750721
Rights: This item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. This is an Accepted Manuscript of an article published by Taylor & Francis Group in Plant Ecology and Diversity on 27 May 2020, available online: https://doi.org/10.1080/17550874.2020.1750721
Notes: Output Status: Forthcoming/Available Online

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