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Contrasting effects of tree species and genetic diversity on the leaf-miner communities associated with silver birch

hal.structure.identifierSchool of Biological Sciences
hal.structure.identifierÉcotron Européen de Montpellier
dc.contributor.authorBARANTAL, Sandra
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorCASTAGNEYROL, Bastien
hal.structure.identifierHelmholtz Zentrum für Umweltforschung = Helmholtz Centre for Environmental Research [UFZ]
dc.contributor.authorDURKA, Walter
hal.structure.identifierThe James Hutton Institute
dc.contributor.authorIASON, Glenn
hal.structure.identifierForest Research [Great Britain]
dc.contributor.authorMORATH, Simon
hal.structure.identifierSchool of Biological Sciences
dc.contributor.authorKORICHEVA, Julia
dc.date.issued2019
dc.identifier.issn0029-8549
dc.description.abstractEnBoth species and genetic diversity of plant communities can affect insect herbivores, but a few studies have compared the effects of both diversity levels within the same experimental context. We compared the effects of tree species and genetic diversity on abundance, species richness, and β-diversity of leaf-miner communities associated with silver birch using two long-term forest diversity experiments in Finland where birch trees were planted in monocultures and mixtures of birch genotypes or other trees species. Although both abundance and species richness of leaf miners differed among birch genotypes at the tree level, birch genetic diversity had no significant effect on miner abundance and species richness at the plot level. Instead, birch genetic diversity affected leaf-miner β-diversity with species turnover being higher among trees within genotypic mixtures than among trees within monoclonal plots. In contrast, tree species diversity had a significant negative effect on both leaf-miner abundance and species richness at plot level, but no effect on miner β-diversity. Significant tree species diversity effects on leaf-miner abundance and species richness were found only in plots with high tree density. We have demonstrated that plant species and genetic diversity play important but contrasting roles in structuring associated herbivore communities. Tree species diversity largely affects miner abundance and species richness, whereas tree genetic diversity affects miner β-diversity. These results have important implications for conservation and management of woodlands.
dc.language.isoen
dc.publisherSpringer Verlag
dc.subject.enBoreal forest
dc.subject.enGenetic diversity
dc.subject.enLeaf miners
dc.subject.enSpecies diversity
dc.title.enContrasting effects of tree species and genetic diversity on the leaf-miner communities associated with silver birch
dc.typeArticle de revue
dc.identifier.doi10.1007/s00442-019-04351-x
dc.subject.halSciences du Vivant [q-bio]
bordeaux.journalOecologia
bordeaux.page687-697
bordeaux.volume189
bordeaux.issue3
bordeaux.peerReviewedoui
hal.identifierhal-02619869
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02619869v1
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