Division of labor brings greater benefits to clones of carpobrotus edulis in the non-native range : evidence for rapid adaptive evolution

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dc.contributor.authorRoiloa, Sergio R.en_ZA
dc.contributor.authorRetuerto, Rubenen_ZA
dc.contributor.authorCampoy, Josefina G.en_ZA
dc.contributor.authorNovoa, Anaen_ZA
dc.contributor.authorBarreiro, Rodolfoen_ZA
dc.date.accessioned2017-08-15T09:19:07Z
dc.date.available2017-08-15T09:19:07Z
dc.date.issued2016
dc.descriptionCITATION: Roiloa, S. R., et al. 2016. Division of labor brings greater benefits to clones of carpobrotus edulis in the non-native range : evidence for rapid adaptive evolution. Frontiers in Plant Science, 7:349, doi:10.3389/fpls.2016.00349.en_ZA
dc.descriptionThe original publication is available at http://journal.frontiersin.orgen_ZA
dc.description.abstractWhy some species become invasive while others do not is a central research request in biological invasions. Clonality has been suggested as an attribute that could contribute to plant invasiveness. Division of labor is an important advantage of clonal growth, and it seems reasonable to anticipate that clonal plants may intensify this clonal attribute in an invaded range because of positive selection on beneficial traits. To test this hypothesis, we collected clones of Carpobrotus edulis from native and invasive populations, grew pairs of connected and severed ramets in a common garden and under negative spatial covariance of nutrients and light to induce division of labor, and measured biomass allocation ratios, final biomass, and photochemical efficiency. Our results showed that both clones from the native and invaded range develop a division of labor at morphological and physiological level. However, the benefit from the division of labor was significantly higher in apical ramets from the invaded range than in ramets from the native area. This is a novel and outstanding result because it provides the first evidence that the benefit of a key clonal trait such as division of labor may have been subjected to evolutionary adaptation in the invaded range. The division of labor can therefore be considered an important trait in the invasiveness of C. edulis. An appropriate assessment of the influence of clonal traits in plant invasions seems key for understanding the underlying mechanisms behind biological invasions of new environments.en_ZA
dc.description.urihttp://journal.frontiersin.org/article/10.3389/fpls.2016.00349/full
dc.description.versionPublisher's versionen_ZA
dc.format.extent13 pages : illustrations, mapen_ZA
dc.identifier.citationRoiloa, S. R., et al. 2016. Division of labor brings greater benefits to clones of carpobrotus edulis in the non-native range : evidence for rapid adaptive evolution. Frontiers in Plant Science, 7:349, doi:10.3389/fpls.2016.00349en_ZA
dc.identifier.issn1664-462X (online)
dc.identifier.otherdoi:10.3389/fpls.2016.00349
dc.identifier.urihttp://hdl.handle.net/10019.1/102105
dc.language.isoen_ZAen_ZA
dc.publisherFrontiers Mediaen_ZA
dc.rights.holderAuthors retain copyrighten_ZA
dc.subjectBiological invasionsen_ZA
dc.subjectClonal traits in plant invasionsen_ZA
dc.subjectCarpobrotus edulisen_ZA
dc.titleDivision of labor brings greater benefits to clones of carpobrotus edulis in the non-native range : evidence for rapid adaptive evolutionen_ZA
dc.typeArticleen_ZA
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