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dc.contributor.authorCastilla, Antonio R.-
dc.contributor.authorAlonso, Conchita-
dc.contributor.authorHerrera, Blanca-
dc.identifierdoi: 10.1016/j.actao.2013.02.008-
dc.identifierissn: 1146-609X-
dc.identifier.citationActa Oecologica 49: 32- 38 (2013)-
dc.description.abstractMargins of distribution of plant species constitute natural areas where the impact of the antagonistic interactions is expected to be higher and where changes in the dynamics of plant-herbivore coevolution could promote intraspecific differentiation in (co)evolving plant traits. In the present study, we investigated how differences in the average herbivory level affect maternal fitness in core continuous and marginal disjunct populations of Daphne laureola in an effort to assess the role of herbivores limiting plant distribution. Furthermore, we investigated intraspecific differentiation in vegetative traits and their potential connection to divergent selection by herbivores in both groups of populations. Our results did not support increased herbivory at the species margin but did support a difference in the effect of herbivory on maternal fitness between core continuous and marginal disjunct populations of D. laureola. In addition, herbivores did not exert phenotypic selection consistent with the geographic variation in studied plant traits. Therefore, the geographic variation of vegetative traits of D. laureola seems to be consequence of environmental heterogeneity more than result of geographically divergent selection by herbivores.-
dc.subjectDivergent selection-
dc.subjectIntraspecific differentation-
dc.subjectMargins of distribution-
dc.subjectPlant fitness-
dc.subjectVegetative traits-
dc.titleHerbivory at marginal populations: consequences for maternal fitness and vegetative differentiation-
dc.description.versionPeer Reviewed-
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