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Non‐reproducible signals of adaptation to elevation between open and understorey microhabitats in snapdragon plants

hal.structure.identifierCentre de recherches insulaires et observatoire de l'environnement [CRIOBE]
dc.contributor.authorGIBERT, Anaïs
hal.structure.identifierCentre de recherches insulaires et observatoire de l'environnement [CRIOBE]
hal.structure.identifierUniversité de Toulouse [UT]
dc.contributor.authorMARIN, Sara
hal.structure.identifierCentre de recherches insulaires et observatoire de l'environnement [CRIOBE]
dc.contributor.authorMOUGINOT, Pierick
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorARCHAMBEAU, Juliette
hal.structure.identifierUniversité de Toulouse [UT]
dc.contributor.authorILLES, Morgane
hal.structure.identifierUniversité de Toulouse [UT]
dc.contributor.authorOLLIVIER, Gabriel
hal.structure.identifierUniversité de Toulouse [UT]
dc.contributor.authorGANDARA, Alice
hal.structure.identifierCentre de recherches insulaires et observatoire de l'environnement [CRIOBE]
dc.contributor.authorPUJOL, Benoît
dc.date.issued2022
dc.identifier.issn1010-061X
dc.description.abstractEnExperimental studies on local adaptation rarely investigate how different environmental variables might modify signals of adaptation or maladaptation. In plant common garden experiments, signals of adaptation or maladaptation to elevation are usually investigated in open habitats under full light. However, most plants inhabit heterogeneous habitats where environmental conditions differ. Understorey microhabitats are common and differ in terms of tree shade, temperature, water availability, microbiota, allelochemicals etc. Germination is a fitness-related trait of major importance for the adaptation of plants to contrasted climate conditions. It is affected by shade in snapdragon plants (Antirrhinum majus) and many other plant species. Here, we tested for the reproducibility of signals extrapolated from germination results between open and understorey microhabitats in two parapatric snapdragon plant subspecies (A. m. striatum and A. m. pseudomajus) characterized by a similar elevation range by using common garden experiments at different elevations. Signals observed under one microhabitat systematically differed in the other. Most scenarios could be inferred, with signals either shifting, appearing or disappearing between different environments. Our findings imply that caution should be taken when extrapolating the evolutionary significance of these types of experimental signals because they are not stable from one local environmental condition to the next. Forecasting the ability of plants to adapt to environmental changes based on common garden and reciprocal transplant experiments must account for the multivariate nature of the environment.
dc.description.sponsorshipPrédire la capacité des populations à s'adapter en fonction de leur histoire évolutive et de leur contexte environnemental - ANR-13-JSV7-0002
dc.language.isoen
dc.publisherWiley
dc.rights.urihttp://creativecommons.org/licenses/by/
dc.subject.enadaptation
dc.subject.enAntirrhinum majus
dc.subject.encommon garden
dc.subject.enelevation
dc.subject.engermination
dc.subject.enphenotypic plasticity
dc.subject.enreproducibility
dc.subject.enshade
dc.title.enNon‐reproducible signals of adaptation to elevation between open and understorey microhabitats in snapdragon plants
dc.typeArticle de revue
dc.identifier.doi10.1111/jeb.13973
dc.subject.halSciences de l'environnement/Biodiversité et Ecologie
bordeaux.journalJournal of Evolutionary Biology
bordeaux.peerReviewedoui
hal.identifierhal-03538759
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03538759v1
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