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Gaubert Philippe, Patel R. P., Veron G., Goodman S. M., Willsch M., Vasconcelos R., Lourenco A., Sigaud M., Justy F., Joshi B. D., Fickel J., Wilting A. (2017). Phylogeography of the small indian civet and origin of introductions to Western Indian Ocean islands. Journal of Heredity, 108 (3), 270-279. ISSN 0022-1503

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Lien direct chez l'éditeur doi:10.1093/jhered/esw085

Titre
Phylogeography of the small indian civet and origin of introductions to Western Indian Ocean islands
Année de publication2017
Type de documentArticle référencé dans le Web of Science WOS:000404048200006
AuteursGaubert Philippe, Patel R. P., Veron G., Goodman S. M., Willsch M., Vasconcelos R., Lourenco A., Sigaud M., Justy F., Joshi B. D., Fickel J., Wilting A.
SourceJournal of Heredity, 2017, 108 (3), p. 270-279. ISSN 0022-1503
RésuméThe biogeographic dynamics affecting the Indian subcontinent, East and Southeast Asia during the Plio-Pleistocene has generated complex biodiversity patterns. We assessed the molecular biogeography of the small Indian civet (Viverricula indica) through mitogenome and cytochrome b + control region sequencing of 89 historical and modern samples to (1) establish a time-calibrated phylogeography across the species' native range and (2) test introduction scenarios to western Indian Ocean islands. Bayesian phylogenetic analyses identified 3 geographic lineages (East Asia, sister-group to Southeast Asia and the Indian subcontinent + northern Indochina) diverging 3.2-2.3 million years ago (Mya), with no clear signature of past demographic expansion. Within Southeast Asia, Balinese populations separated from the rest 2.6-1.3 Mya. Western Indian Ocean populations were assigned to the Indian subcontinent + northern Indochina lineage and had the lowest mitochondrial diversity. Approximate Bayesian computation did not distinguish between single versus multiple introduction scenarios. The early diversification of the small Indian civet was likely shaped by humid periods in the Late Pliocene-Early Pleistocene that created evergreen rainforest barriers, generating areas of intra-specific endemism in the Indian subcontinent, East, and Southeast Asia. Later, Pleistocene dispersals through drier conditions in South and Southeast Asia were likely, giving rise to the species' current natural distribution. Our molecular data supported the delineation of only 4 subspecies in V. indica, including an endemic Balinese lineage. Our study also highlighted the influence of prefirst millennium AD introductions to western Indian Ocean islands, with Indian and/or Arab traders probably introducing the species for its civet oil.
Plan de classementSciences du monde animal [080]
Descr. géo.ASIE SUD EST ; OCEAN INDIEN
LocalisationFonds IRD [F B010070365]
Identifiant IRDfdi:010070365
Lien permanenthttp://www.documentation.ird.fr/hor/fdi:010070365

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