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Water Loss and Microhabitats in Three Sympatric Species of Lizards (Reptilia, Lacertilia) from Martinique, West Indies
Raymond Leclair, Jr.
Journal of Herpetology
Vol. 12, No. 2 (Apr. 24, 1978), pp. 177-182
Published by: Society for the Study of Amphibians and Reptiles
Stable URL: http://www.jstor.org/stable/1563405
Page Count: 6
You can always find the topics here!Topics: Lizards, Water loss, Species, Microhabitats, Sympatric species, Reptiles, Bottles, Xeric environments, Deserts, Water temperature
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Rate of water loss (RWL), vital limit of water loss, and survival time were studied in three sympatric species of lizards living in the dry southeastern part of the Island of La Martinique, West Indies. The experiments were conducted in dry air (5% relative humidity) at 26-27C using anhydrous calcium chloride as a desiccation material. The iguanid Anolis roquet salinei, the teid Gymnophthalmus pleii, and the gecko Sphaerodactylus vincinti psammius are shown to have RWL of 1.71, 1.79, and 7.65 mg/g/hr respectively and to withstand a loss of weight of 37.8, 28.2, and 23.9% respectively. The results are discussed in terms of adaptation to microenvironment and success of colonization.
Journal of Herpetology © 1978 Society for the Study of Amphibians and Reptiles