the reptile and mammals fauna of north-east of iran were investigated and the contraction and fragmentation of some species due to climatic changes and human activities were analyzed. the sampling was carried out in selected stations throughout the great khorsan. the results showed that there are approximately 71 reptiles (including 39 species of lizards, 32 snakes and one turtle) and 83 specie...

The study of biodiversity is a fundamental step to develop conservation strategies. Reptile populations are immersed in global crisis, due anthropic disturbances. Almost the entire Pampa ecoregion Argentina was modified for agricultural and livestock activities, only remnants mountain native grasslands Buenos Aires province being Tandilia Ventania systems. reptiles have been exhaustively resear...