Nom du corpus

Corpus Systématique Animale

Titre du document

Skin resistance to water loss in agamid lizards

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Springer (journals)
Langue(s) du document
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Mots-clés d'auteur
  • Lizards
  • Water loss
  • Skin resistance
  • Habitat aridity
Nom du fichier dans la ressource
  • Mirit Eynan 1
  • Razi Dmi'el 1
  • 1) Department of Zoology, George S. Wise Faculty of Life Sciences, Tel Aviv University, 69978, Tel Aviv, Israel

Many desert lizards show reduced rates of cutaneous water loss (CWL) compared to their counterparts from more humid environments. It is not clear yet whether reduced CWL is connected to the taxonomic position of the lizard studied, or is affected more by environmental or experimental conditions. To investigate this, we measured the skin resistance to water transfer, R s, in five closely related lizard taxa of the genus Agama. These diurnal lizards are distributed in Israel from mesic-Mediterranean to extreme desert biotopes. The highest R s (738 s cm-1) and the lowest CWL (0.160 mg cm-2 h-1) were found in Agama sinaita, which lives in the most arid habitat. The lowest R s (234 s cm-1) and the highest CWL (0.548 mg cm-2 h-1) were found in A. stellio ssp., which occupies mesic habitats. In addition, only the desert species were able to change their R s in accordance with the changing experimental conditions. These R s changes, which probably reflect vasomotor responses, were more pronounced in A. sinaita and presumably enable the desert species to control their CWL in a hot and dry environment.

Catégories Science-Metrix
  • 1 - natural sciences
  • 2 - biology
  • 3 - ecology
Catégories INIST
  • 1 - sciences appliquees, technologies et medecines
  • 2 - sciences biologiques et medicales
  • 3 - sciences biologiques fondamentales et appliquees. psychologie
  • 4 - physiologie vegetale et developpement
Catégories Scopus
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Ecology, Evolution, Behavior and Systematics
Catégories WoS
  • 1 - science ; 2 - ecology
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