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Phylogeography of north african atlas cedar (cedrus atlantica, pinaceae): combined molecular and fossil data reveal a complex quaternary history
| hal.structure.identifier | Universität Wien = University of Vienna | |
| hal.structure.identifier | Universidad de Sevilla = University of Seville | |
| dc.contributor.author | TERRAB, Anass | |
| hal.structure.identifier | Biodiversité, Gènes & Communautés [BioGeCo] | |
| dc.contributor.author | HAMPE, Arndt | |
| hal.structure.identifier | Biodiversité, Gènes & Communautés [BioGeCo] | |
| dc.contributor.author | LEPAIS, Olivier | |
| hal.structure.identifier | Universidad de Sevilla = University of Seville | |
| dc.contributor.author | TALAVERA, Salvador | |
| hal.structure.identifier | Institut Méditerranéen d'Ecologie et de Paléoécologie [IMEP] | |
| dc.contributor.author | VELA, Errol | |
| hal.structure.identifier | Universität Wien = University of Vienna | |
| dc.contributor.author | STUESSY, Tod F. | |
| dc.date.issued | 2008 | |
| dc.identifier.issn | 0002-9122 | |
| dc.description.abstractEn | Northwest Africa is a major hotspot of plant biodiversity, but very little is known about the Quaternary range dynamics of plant species in this region. Here we investigate the range-wide population structure and phylogeography of Atlas cedar (Cedrus atlantica), an emblematic forest tree endemic to Morocco and Algeria. We genotyped 261 individuals from 11 populations using AFLP markers. Data were analyzed using both conventional FST-based techniques and Bayesian clustering. Overall population differentiation was high (FST = 0.25). Two major groups of populations were identified, one distributed through the Rif and Middle Atlas mountains in Morocco and the other through the Algerian Tell Atlas and Aurès mountains as well as the Middle Atlas. Combined molecular and fossil data indicate that C. atlantica survived the Last Glacial Maximum in at least three disjunct refugia along the coast of the Mediterranean Sea, whereas the Middle Atlas, today the core of the species range, has been colonized relatively recently (<10000 yr BP). The colonization history of individual populations has left clear imprints in their present-day diversity, which may vary greatly even between nearby stands. Our study illustrates how integrating different data sources and analytical approaches can help elucidate complex range dynamics that would otherwise remain undeciphered. | |
| dc.language.iso | en | |
| dc.publisher | Botanical Society of America | |
| dc.subject | AFLP | |
| dc.subject | POPULATION DIVERGENCE | |
| dc.subject | RANGE CONTRACTION | |
| dc.subject.en | ALGERIA | |
| dc.subject.en | DIVERSITY | |
| dc.subject.en | GENE FLOW | |
| dc.subject.en | GLACIAL REFUGIA | |
| dc.subject.en | MOROCCO | |
| dc.subject.en | NONMETRIC MULTIDIMENSIONAL SCALING ANALYSIS | |
| dc.subject.en | STRUCTURE PROGRAM | |
| dc.title.en | Phylogeography of north african atlas cedar (cedrus atlantica, pinaceae): combined molecular and fossil data reveal a complex quaternary history | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.3732/ajb.0800010 | |
| dc.subject.hal | Sciences du Vivant [q-bio]/Biologie végétale/Botanique | |
| bordeaux.journal | American Journal of Botany | |
| bordeaux.page | 1262-1269 | |
| bordeaux.volume | 95 | |
| bordeaux.issue | 10 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-02660991 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-02660991v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=American%20Journal%20of%20Botany&rft.date=2008&rft.volume=95&rft.issue=10&rft.spage=1262-1269&rft.epage=1262-1269&rft.eissn=0002-9122&rft.issn=0002-9122&rft.au=TERRAB,%20Anass&HAMPE,%20Arndt&LEPAIS,%20Olivier&TALAVERA,%20Salvador&VELA,%20Errol&rft.genre=article |
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