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	Provedor de dados Anais da ABC (AABC) (1) Autor FORNEL,RODRIGO (1) FREITAS,THALES R.O. (1) QUINTELA,FERNANDO M. (1) Palavra-chave Akodontini (1) Geometric morphometrics (1) Isolation-by-distance (1) Pampa (1) Skull morphology (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2016 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Geographic variation in skull shape of the water rat Scapteromys tumidus (Cricetidae, Sigmodontinae): isolation-by-distance plus environmental and geographic barrier effects? Anais da ABC (AABC) QUINTELA,FERNANDO M.; FORNEL,RODRIGO; FREITAS,THALES R.O.. ABSTRACT The geographic variation in skull size and shape of the swamp rat Scapteromys tumidus was examined in samples from eight geographic clusters in almost of its distribution in southern Brazil and Uruguay. For analysis we used two-dimensional geometric morphometric methods for dorsal, ventral and lateral views of the skull. The geometric descriptors showed no significant differences in skull size between geographic clusters, while differences in shape were highly significant. We found a significant and moderate correlation between geographic and morphological distances, corroborating the isolation-by-distance model. Samples from the Rio Grande do Sul central coastal plain were the most differentiated, segregating completely from all other samples in... Tipo: Info:eu-repo/semantics/article Palavras-chave: Akodontini; Isolation-by-distance; Geometric morphometrics; Skull morphology; Pampa. Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000200451 Registros recuperados: 1 Primeira ... 1 ... Última

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