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Charlène Guillaumot, Alexis Martin, Marc Eleaume, Thomas Saucède. (2016). Prédire l’actuel et anticiper les changements futurs en évaluant l’influence des hétérogénéités spatiale et temporelle sur la modélisation de la distribution d’espèces. Le cas d’étude des échinides du plateau des Kerguelen. 12èmes Journées Scientifiques de la Recherche polaire, Lyon, 25-27 mai 2016.
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Thomas Saucède, N. Ameziane, J.P. Féral, A. Chenuil, B. David, C. De Ridder, S. Fabri-Ruiz, J. Fournier, C. Marschal G. Marty, O. Mathieu, S. Motreuil, E. Poulin. (2016). PROTEKER : un observatoire sous-marin côtier aux Îles Kerguelen. 12èmes Journées Scientifiques de la Recherche polaire, Lyon, 25-27 mai 2016.
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Poulin E. (2016). Diversificación de la fauna marina y biogeografía en el Océano Austral. Primer Coloquio de Biogeografía, 13 mayo 2016, Universidad Católica del Norte, Coquimbo, Chile..
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Poulin E. (2016). Diversification or marine benthic fauna in the Southern Ocean: A Phylogeographic and Phylogenetic Perspective. 34th SCAR Open Science Conference and Biennal Meetings, 19-31 août 2016, Kuala Lumpur, Malaysia..
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Claudio Gonzalez-Wevar, Angie Diaz, Mathias Hüne, Sebastian Rosenfeld, Hamish Spencer, Thomas Saucède, Karin Gerard, Elie Poulin. (2016). Biogeographical patterns in southern ocean mollusks with contrasting developmental modes. 34th SCAR Open Science Conference and Biennal Meetings, 19-31 août 2016, Kuala Lumpur, Malaysia..
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Charlène Guillaumot, Alexis Martin, Marc Eléaume, Thomas Saucède. (2016). Temporal, spatial, and sampling heterogeneities in species distribution modeling. The case study of the data-poor area of the Kerguelen Plateau. ScenNet, 23-26 août 2016, Montpellier.
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Saucède T & Marty G. (2016). Un observatoire des écosystèmes marins côtiers des Iles Kerguelen (Proteker). Bilan d’activités 2015 de la Réserve Naturelle Nationale des Terres Australes Françaises.
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Koubbi P, Guinet C, Alloncle N, Ameziane N, Azam CS, Baudena A, Bost CA, Causse R, Chazeau C, Coste G, Cotté C, D'Ovidio F, Delord K, Duhamel G, Forget A, Gasco N, Hautecœur M, Lehodey P, Lo Monaco C, Marteau C, Martin A, Mignard C, Pruvost P, Saucède T, Sinegre R, Thellier T, Verdier AG, Weimerskirch H . (2016). Ecoregionalisation of the Kerguelen and Crozet islands oceanic zone. Part I: Introduction and Kerguelen oceanic zone. .
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Gonzalez-Wevar C., Chown S.L., Morley S.A, Coria N., Saucede T., Poulin E. (2016). Out of Antarctica: Quaternary colonization of sub-Antarctic Marion Island by the limpet genus Nacella (Patellogastropoda: Nacellidae). Polar Biol., 39(1), 77–89.
Abstract: The distribution of the Southern Ocean nearshore marine benthic fauna is the consequence of major geologic, oceanographic, and climatic changes during the last 50 Ma. As a result, a main biogeographic principle in the Southern Ocean is the clear distinction of the Antarctic biota. The Antarctic Polar Front (APF) represents an important barrier between Antarctica and other sub-Antarctic provinces. However, the high degree of genetic affinity between populations of the Antarctic limpet Nacella concinna and its sub-Antarctic relative Nacella delesserti from Marion Island stands against this tenet. Here, we performed new phylogenetic reconstructions in Nacella with special emphasis on the relationship between N. concinna and N.delesserti. Similarly, we performed population-based analyses in N. concinna and N. delesserti to further understand the genetic legacy of the Quaternary glacial cycles. Phylogenetic reconstructions recognized N. concinna and N. delesserti as two closely but distinct monophyletic entities and therefore as valid evolutionary units. The cladogenetic process separating them occurred ~0.35 Ma and is consistent with the origin of Marion Island (~0.45 Ma). Exceptional long-distance dispersal between provinces located inside and outside the APF, rather than revealing the permeability of the Antarctic Polar Front, seems to be related to latitudinal shift in the position of the APF during coldest periods of the Quaternary. Diversity indices, neutrality tests, haplotype networks, and demographic inference analysis showed that the demography of both species exhibits a clear signal of postglacial expansion.
Programme: 1044
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González-Wevar C., Hüne M., Rosenfeld S., Saucède T., Féral J.-P., Mansilla A. and E. Poulin. (2016). Patterns of genetic diversity and structure in Antarctic and sub-Antarctic Nacella (Patellogastropoda: Nacellidae) species. Biodivers. Conserv., 17(1-2), 46–55.
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