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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
DOI: 10.2307/1563405
Stable URL: http://www.jstor.org/stable/1563405
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Water Loss and Microhabitats in Three Sympatric Species of Lizards (Reptilia, Lacertilia) from Martinique, West Indies
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Abstract

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.

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