The British Herpetological Society

The Herpetological Journal is the Society's prestigious quarterly scientific journal. Articles are listed in Biological Abstracts, Current Awareness in Biological Sciences,Current Contents, Science Citation Index, and Zoological Record.

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pdf 08. Geographic patterns of morphological variation in the lizard Podarcis carbonelli, a species with fragmented distribution

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Open Access

pp. 41-50
Authors: Kaliontzopoulou, Antigoni; Carretero, Miguel A. & Sillero, Neftalí

Abstract: Podarcis carbonelli is a lacertid lizard endemic to the western Iberian Peninsula, with a highly fragmented distribution and complex patterns of phylogeographic structure. Here, we investigate intraspecific morphological variability in this species, considering both biometric and pholidotic traits. Our results reveal local patterns of variation in total body size and scalation, but also indicate the existence of gradual, geographically structured morphological variation when size-independent biometry is considered. Total body size is the main factor determining variation across our sample, but this seems to be the result of within-population variability in this trait and is not geographically structured. The southern isolated populations seem highly differentiated in morphological terms, a pattern that also corresponds to singular environmental conditions and distinctive genetic variation, and should therefore be the focus of special attention for future investigation and conservation.

Keywords: SCALATION, IBERIAN PENINSULA, INTRASPECIFIC VARIATION, BIOMETRY

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