engleski

Thermoregulation and diet composition of insular populations of Podarcis melisellensis and Lacerta oxycephala

Thermal and trophic niche relationship between podarcis melisellensis and Lacerta oxycephala were studied from island of Vis in June and September 1997. We recorded 289 cloacal temperatures and related substrate and aur temperatures considering sex and age categories. It seems that p. melisellensis posses a certain independence from microhabitat temperatures as in many reptiles adaptet to life in desert regions. Females and subadults of L. oxycephala showed similar patterns. A study of diet showed that the most important prey groups for both species were Formicoidea. Food niche overlap between species was very high.

Thermal niche; Trophic niche; Podarcis melisellensis; Lacerta oxycephala; Island of Vis; Croatia

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