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Fine-scale species distribution changes in a mixed oak stand over two successive generations

hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorTRUFFAUT, Laura
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorCHANCEREL, Emilie
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorDUCOUSSO, Alexis
hal.structure.identifierEcologie et Ecophysiologie Forestières [devient SILVA en 2018] [EEF]
dc.contributor.authorDUPOUEY, Jean-Luc
hal.structure.identifierEcologie et Ecophysiologie Forestières [devient SILVA en 2018] [EEF]
dc.contributor.authorBADEAU, Vincent
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorEHRENMANN, François
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorKREMER, Antoine
dc.date.issued2017
dc.identifier.issn0028-646X
dc.description.abstractEnLarge-scale tree distribution changes have received considerable attention but underlying demo-genetic mechanisms are less well documented. We used a diachronic approach to track species shifts in a mixed oak stand (Quercus petraea-Quercus robur) at a fine spatiotemporal scale. Species assignment was made using single nucleotide polymorphism (SNP) fingerprints employing clustering and parentage analysis. Mating patterns and reproductive success were assessed by parentage analysis. Plot-based inventories of soil parameters and sapling densities provided ecological and demographic information, respectively. Sapling density and reproductive success was higher in Q. petraea than in Q. robur, and were correlated with a spatial expansion of Q. petraea (50% to 67% of the area). Admixed trees resulting from hybridization and backcrossing between the two species were more frequent under the Q. robur canopy. We suspect that species' differential responses to ongoing environmental changes and interspecific competition are the predominant factors accounting for the recruitment success of Q. petraea, while human interference, differential reproduction and hybridization (and backcrossings) are probably of more limited importance. We anticipate in mixed Q. petraea-Q. robur stands, under current ongoing environmental change, that these processes will be enhanced, at least in the western part of the distribution of the two species.
dc.language.isoen
dc.publisherWiley
dc.rights.urihttp://creativecommons.org/licenses/by-sa/
dc.subjectapproche diachronique
dc.subjecthybridation
dc.subjectquercus petraea
dc.subjectquercus robur
dc.subjectpolymorphisme des nucléotides simples
dc.subjectchangement environnemental
dc.subject.enadmixture
dc.subject.endemography
dc.subject.enrecruitment
dc.subject.enregeneration phase
dc.subject.enhybridization
dc.subject.ensessile oak
dc.subject.enpedunculate oak
dc.subject.enSingle nucleotide polymorphism
dc.title.enFine-scale species distribution changes in a mixed oak stand over two successive generations
dc.typeArticle de revue
dc.identifier.doi10.1111/nph.14561
dc.subject.halSciences du Vivant [q-bio]
bordeaux.journalNew Phytologist
bordeaux.page126-139
bordeaux.volume215
bordeaux.issue1
bordeaux.peerReviewedoui
hal.identifierhal-01604940
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01604940v1
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