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Biogeography and evolution of seeder and resprouter forms of Erica coccinea (Ericaceae) in the fire-prone Cape fynbos

hal.structure.identifierUniversidad de Cádiz = University of Cádiz [UCA]
dc.contributor.authorOJEDA, Fernando
hal.structure.identifierInstituto Nacional de Investigación y Tecnología Agraria y Alimentaria = National Institute for Agricultural and Food Research and Technology [INIA]
hal.structure.identifierDepartment of Geosciences and Natural Resource Management [Copenhagen] [IGN]
dc.contributor.authorBUDDE, Katharina B.
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
hal.structure.identifierInstituto Nacional de Investigación y Tecnología Agraria y Alimentaria = National Institute for Agricultural and Food Research and Technology [INIA]
hal.structure.identifierUniversité de Fribourg = University of Fribourg [UNIFR]
dc.contributor.authorHEUERTZ, Myriam
hal.structure.identifierUniversitat de València = University of Valencia [UV]
hal.structure.identifierUniversitat Politècnica de València = Universitad Politecnica de Valencia = Polytechnic University of Valencia [UPV]
dc.contributor.authorSEGARRA-MORAGUES, Jose G.
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
hal.structure.identifierInstituto Nacional de Investigación y Tecnología Agraria y Alimentaria = National Institute for Agricultural and Food Research and Technology [INIA]
dc.contributor.authorGONZÁLEZ-MARTÍNEZ, Santiago C.
dc.date.issued2016
dc.identifier.issn1385-0237
dc.description.abstractEnThe genus Erica represents the epitome of plant biodiversity in the South African Cape fynbos with over 700 species. This genus is composed of seeder and resprouter species, but both species diversity and endemism are strongly linked to the seeder habit and concentrated in the southwestern Cape Floristic Region (CFR). Erica coccinea is a relatively abundant and widespread fynbos species whose most remarkable morphological feature is the existence of distinct seeder and resprouter forms, frequently—but not always—in disjunct populations. Both higher within-population genetic diversity and among-population differentiation have been found in seeders, most likely as a consequence of the shorter generation times and faster population turnovers. Resprouters, despite being less diverse, are suspected to be ancestral. However, no solid evidence has yet been provided for the ancestrality of the resprouter form, or for the demographic processes that have determined the current distribution of genetic diversity in both regeneration forms. Here, we used microsatellites and sequences of the nuclear ribosomal internal transcribed spacers to describe the phylogeographic structure of seeder and resprouter E. c occinea populations and provide good evidence for the ancestral status of the resprouter form and the comparatively high rates of molecular evolution in derived seeder populations. We also reveal that mixed populations, where both seeder and resprouter individuals co-occur, were originated by secondary contacts. This study highlights the role of fire in driving accelerated diversification in seeder lineages of highly speciose CFR fynbos taxa.
dc.language.isoen
dc.publisherSpringer Verlag
dc.subject.enFynbos biodiversity
dc.subject.eninternal transcribed spacers
dc.subject.enlife-history traits
dc.subject.enmolecular evolutionary rates
dc.subject.enpost-fire regeneration
dc.title.enBiogeography and evolution of seeder and resprouter forms of Erica coccinea (Ericaceae) in the fire-prone Cape fynbos
dc.typeArticle de revue
dc.identifier.doi10.1007/s11258-015-0539-8
dc.subject.halSciences du Vivant [q-bio]
bordeaux.journalPlant Ecology
bordeaux.page751-761
bordeaux.volume217
bordeaux.issue6
bordeaux.peerReviewedoui
hal.identifierhal-02633230
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02633230v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Plant%20Ecology&rft.date=2016&rft.volume=217&rft.issue=6&rft.spage=751-761&rft.epage=751-761&rft.eissn=1385-0237&rft.issn=1385-0237&rft.au=OJEDA,%20Fernando&BUDDE,%20Katharina%20B.&HEUERTZ,%20Myriam&SEGARRA-MORAGUES,%20Jose%20G.&GONZ%C3%81LEZ-MART%C3%8DNEZ,%20Santiago%20C.&rft.genre=article


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