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	Provedor de dados ArchiMer (1) Autor Castelli, A (1) Casu, M (1) Cossu, P (1) Domenici, P (1) Fosch, Cf (1) Maltagliati, F (1) Mais... Palavra-chave Brackish-water habitats (1) Divergence de populations (1) Eaux saumâtres (1) Genetic variation (1) Morphologie (1) Morphology (1) Population divergence (1) RAPDs (1) Relative fin size (1) Taille relative des nageoires (1) Variation génétique (1) Mais... Tipo do documento Text (1) Ano 2003 (1) País France (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Small-scale morphological and genetic differentiation in the Mediterranean killifish Aphanius fasciatus (Cyprinodontidae) from a coastal brackish-water pond and an adjacent pool in northern Sardinia ArchiMer Maltagliati, F; Domenici, P; Fosch, Cf; Cossu, P; Casu, M; Castelli, A. Two samples of Aphanius fasciatus collected in the Pilo pond (northern Sardinia, Italy) and in an adjacent pool of small surface area were analysed morphologically (235 individuals) and genetically (a subsample of 58 individuals). The aims of the present study were (i) to test the hypothesis that different predation pressures may be associated with morphological and/or genetic differences between samples from each habitat and (ii) to assess the level of divergence between the two populations. Morphological analysis was based on the relative size of fins because it has been shown to be associated with predation pressure. The relative caudal fin area (caudal fin area/total body surface) was smaller in specimens from the pool, in both males and females,... Tipo: Text Palavras-chave: Morphologie; Taille relative des nageoires; Variation génétique; Divergence de populations; Eaux saumâtres; Morphology; Relative fin size; Genetic variation; RAPDs; Population divergence; Brackish-water habitats. Ano: 2003 URL: http://archimer.ifremer.fr/doc/00322/43291/43026.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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