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Habitat exploitation by Boa constrictor occidentalis Serpentes Boidae during the dry season in Cordoba, Argentina Uso del habitat por Boa constrictor occidentalis Serpentes Boidae durante la estacion seca en Cordoba, Argentina



Habitat exploitation by Boa constrictor occidentalis Serpentes Boidae during the dry season in Cordoba, Argentina Uso del habitat por Boa constrictor occidentalis Serpentes Boidae durante la estacion seca en Cordoba, Argentina



Cuadernos de Herpetologia. Julio; 181: 33-41



Habitat use analysis is a basic tool for the conservation and management of wild populations. Quantifying the changes in the use of resources associated with reproduction can offer an insight into the selective forces acting on organisms in this critical phase of life history. Reproduction condition often has obvious effects on habitat use. Reproductive individual females have been observed in habitats different from those frequented by males and non reproductive females. In this study, we evaluate the differential use of habitats in Boa constrictor occidentalis through radio-tracking. Habitat use was evaluated at a microhabitat level during dry season at El Quemado, in the department of Pocho, Cordoba. Fourteen adult individuals were implanted with radio transmitters: 5 reproductive females, 4 non-reproductive females and 5 reproductive males. There were differences in the use of the habitat among these conditions. The differences observed in relation to reproductive functions during the dry season should reveal different thermoregulation requirements in lampalagua. In reptiles, these requirements are among the most influential causes in the selection of a particular 'Sat. The habitat choice made by reproductive females would allow them to choose adequate to sunbathe and get higher and optimum temperatures for embryo development.

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