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<datestamp>2018-01-11</datestamp>
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<title lang=en>Historical biogeography of the highly diverse brown seaweed Lobophora (Dictyotales, Phaeophyceae)</title>
<creator>Vieira, Christophe</creator>
<creator>Camacho, Olga</creator>
<creator>Sun, Zhongmin</creator>
<creator>Fredericq, Suzanne</creator>
<creator>Leliaert, Frederik</creator>
<creator>Payri, Claude</creator>
<creator>De Clerck, Olivier</creator>
<contributor>Ecologie marine tropicale dans les Océans Pacifique et Indien (ENTROPIE [Réunion]) ; Institut de Recherche pour le Développement (IRD) - Université de la Réunion (UR) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Laboratoire d'Excellence CORAIL (LabEX CORAIL) ; Institut de Recherche pour le Développement (IRD) - Université des Antilles et de la Guyane (UAG) - École des hautes études en sciences sociales (EHESS) - École pratique des hautes études (EPHE) - Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) - Université de la Réunion (UR) - Université de la Polynésie Française (UPF) - Université de Nouvelle Calédonie - Institut d'écologie et environnement</contributor>
<contributor>Phycology Research Group and Center for Molecular Phylogenetics and Evolution, ; Ghent University [Belgium] (UGENT)</contributor>
<contributor>Université Pierre et Marie Curie - Paris 6 (UPMC)</contributor>
<contributor>University of Louisiana</contributor>
<contributor>Institute of Oceanology [CAS] (IOCAS) ; Chinese Academy of Sciences [Changchun Branch] (CAS)</contributor>
<contributor>Botanic Garden Meise</contributor>
<description>International audience</description>
<source>ISSN: 1055-7903</source>
<source>EISSN: 1095-9513</source>
<source>Molecular Phylogenetics and Evolution</source>
<publisher>Elsevier</publisher>
<identifier>hal-01535635</identifier>
<identifier>http://hal.upmc.fr/hal-01535635</identifier>
<identifier>http://hal.upmc.fr/hal-01535635/document</identifier>
<identifier>http://hal.upmc.fr/hal-01535635/file/Vieira_2017_Historical.pdf</identifier>
<source>http://hal.upmc.fr/hal-01535635</source>
<source>Molecular Phylogenetics and Evolution, Elsevier, 2017, 110, pp.81 - 92. 〈10.1016/j.ympev.2017.03.007〉</source>
<identifier>DOI : 10.1016/j.ympev.2017.03.007</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ympev.2017.03.007</relation>
<language>en</language>
<subject lang=en>Algorithmic species estimation</subject>
<subject lang=en>Ancestral area reconstruction</subject>
<subject lang=en>Historical biogeography</subject>
<subject lang=en>Lobophora</subject>
<subject lang=en>Molecular dating</subject>
<subject>[SDE.BE] Environmental Sciences/Biodiversity and Ecology</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>The tropical to warm-temperate marine brown macroalgal genus Lobophora (Dictyotales, Phaeophyceae) recently drew attention because of its striking regional diversity. In this study we reassess Lobophora global species diversity, and species distributions, and explore how historical factors have shaped current diversity patterns. We applied a series of algorithmic species delineation techniques on a global mitochondrial cox3 dataset of 598 specimens, resulting in an estimation of 98–121 species. This diversity by far exceeds traditional diversity estimates based on morphological data. A multi-locus time-calibrated species phylogeny using a relaxed molecular clock, along with DNA-confirmed species distribution data was used to analyse ancestral area distributions, dispersal-vicariance-founder events, and temporal patterns of diversification under different biogeographical models. The origin of Lobophora was estimated in the Upper Cretaceous (−75 to −60 MY), followed by gradual diversification until present. While most speciation events were inferred within marine realms, founder events also played a non-negligible role in Lobophora diversification. The Central Indo-Pacific showed the highest species diversity as a result of higher speciation events in this region. Most Lobophora species have small ranges limited to marine realms. Lobophora probably originated in the Tethys Sea and dispersed repeatedly in the Atlantic (including the Gulf of Mexico) and Pacific Oceans. The formation of the major historical marine barriers (Terminal Tethyan event, Isthmus of Panama, Benguela upwelling) did not act as important vicariance events. Long-distance dispersal presumably represented an important mode of speciation over evolutionary time-scales. The limited geographical ranges of most Lobophora species, however, vouch for the rarity of such events.</description>
<date>2017</date>
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