A Study Of Factors Affecting Scale Roughness In The Western Diamondback Rattlesnake (Crotalus atrox)

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Title: A Study Of Factors Affecting Scale Roughness In The Western Diamondback Rattlesnake (Crotalus atrox)
Author: Skach, Amber Gail
Abstract: Reptilian scales are very complex with patterns across their surface like a human fingerprint . These patterns are species specific , but there has been no way to quantify differences . A new technique using the confocal microscope allows measurement of the roughness of a surface . The roughness of the scales of Crotalus atrox were measured and compared with factors such as sex , age , clade , and various environmental variables to determine if this technique may be useful in determining species . The results found that the roughness of a scale decreased as the snake aged , and was significantly different between the two clades ; the Eastern clade being much rougher . When these factors were controlled in the environmental factor analysis , it was found that higher temperature seasonality and higher maximum temperature in the warmest month caused an increase in scale roughness .
URI: http : / /hdl .handle .net /10106 /42
Date: 2007-08-23

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A Study Of Factors Affecting Scale Roughness In The Western Diamondback Rattlesnake (Crotalus atrox). Available electronically from http : / /hdl .handle .net /10106 /42 .

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