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Academic literature on the topic 'Phylogéographie moléculaire'
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Dissertations / Theses on the topic "Phylogéographie moléculaire"
Turgeon, Julie. "Écologie moléculaire et phylogéographie des ciscos d'Amérique du Nord (Teleostei: Coregonus spp.)." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0015/NQ55827.pdf.
Full textLoreille, Odile. "Contribution de la paléogénétique à la phylogénie moléculaire et à la phylogéographie." Lyon 1, 1999. http://www.theses.fr/1999LYO10335.
Full textGrivet, Delphine. "Phylogéographie et évolution moléculaire comparée d'arbres forestiers à l'aide des marqueurs chloroplastiques." Nancy 1, 2002. http://www.theses.fr/2002NAN10002.
Full textMuloko, Nicole. "Phylogéographie de Aucoumea klaineana (Burseraceae) : apport des marqueurs génétiques." Montpellier 2, 2001. http://www.theses.fr/2001MON20224.
Full textHemery, Lenaïg. "Diversité moléculaire, phylogéographie et phylogénie des Crinoïdes (Échinodermes) dans un environnement extrême, l'océan Austral." Paris, Muséum national d'histoire naturelle, 2011. http://www.theses.fr/2011MNHN0026.
Full textThe crinoid classification is in constant change. It was however largely based on the analysis of the external characters of the skeleton. The recent contribution of the analysis of the ontogeny of morphological characters and a better understanding of the morphofunctional constraints helped to better understand the affinities within the class Crinoidea. The molecular approach developed in this work allows testing these affinities. In the new phylogeny of the class shown here, a clade A is only composed by stalked forms and a clade B comprises all the comatulids and some stalked crinoids. A quarter of the extant crinoid families are represented in the Southern Ocean. A new inventory of Antarctic crinoids accounts for 40 ESUs. Some are geographically well structured whereas some are circumpolar in distribution. Most are eurybathic. The description of ecological niches of the most abundant Antarctic species, found in sympatry and sometimes syntopy, allows showing that they share the same optimal regions but each of them has its own niche and its own specializations. The combination of different approaches such as molecular phylogeny, integrative taxonomy, phylogeography, population genetics, ecological niche description allowed characterizing the specific and ecological diversities of Antarctic crinoids and replacing them into a phylogeny of the class, while shedding light on the phyletic relationships between taxa
Torres, Lucas. "Phylogéographie et évolution moléculaire chez les Procellariiformes : apport à la diversification des oiseaux marins." Thesis, La Rochelle, 2019. http://www.theses.fr/2019LAROS023.
Full textThe purpose of conservation genetics is to protect both genetic diversity and the processes that shaped it, and to understand them. Procellariiformes (shearwaters, petrels and albatrosses) represent many species with high dispersal capacities but a strong philopatric behavior and with strong conservation needs. We conducted a multi-locus study on the Audubon shearwater complex, Puffinus lherminieri, from the North Atlantic and its two sister lineages in the Indian Ocean. We first showed that the genetic markers used here, and typically used to study the phylogeography of seabirds, were subject to introgression, hybridization, heteroplasmy, and the duplication and pseudogenisation of some mitochondrial genes. All of these phenomena have an impact on the quality and quantity of information produced by these markers. We led a comparative study and showed how best to manage some of these data problems and their treatment. We have also investigated the composition of the mitochondrial duplicated region and show that it have a complex evolution within the Procellariiformes and may have an influence on their biology and conservation. Finally, we have shown the influence of continental barriers but especially of sea surface temperature on the differentiation of seabirds. We also uncovered a structuration of the shearwater complex that needed to define new conservation priorities
Rivière, Taiana. "Diversité génétique, structure des populations et phylogéographie des champignons ectomycorhiziens tropicaux." Montpellier 2, 2004. http://www.theses.fr/2004MON20067.
Full textBou, Dagher-Kharrat Magida. "Caractérisation du génome et structuration géographique de la diversité génétique du genre Cedrus." Paris 6, 2001. http://www.theses.fr/2001PA066275.
Full textCrochet, Pierre-André. "Structure génétique des populations chez le goéland leucophée, phylogéographie et phylogénèse chez les laridés." Montpellier 2, 1998. http://www.theses.fr/1998MON20228.
Full textQuerouil, Sophie. "Intérêts et limites de l'approche moléculaire pour aborder la biogéographie et la spéciation : quelques exemples chez les mammifères d'Afrique tropicale." Rennes 1, 2001. http://www.theses.fr/2001REN10100.
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