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Influence of fluctuating incubation temperatures on hatchling traits in a Chinese skink, Eumeces chinensis


, : Influence of fluctuating incubation temperatures on hatchling traits in a Chinese skink, Eumeces chinensis. Herpetological Journal il; 15(2): 139-142

Effects of fluctuating temperatures on reptilian eggs and hatchlings are poorly known. We carried out a fluctu ating- temperature incubation experiment with two treatments (27 [plus or minus] 3[degree]C vs 27 [plus or minus] 7 [degree]C) to determine the effects of temperature and clutch of origin on incubation duration and the morphology and locomotor performance of hatchlings in a skink, Eumeces chinensis. The variance of fluctuating temperatures had no influences on incubation duration, hatching success or hatchling traits. Incubation temperature accounted for over 10% of the total variation in incubation duration and hatchling traits, whereas clutch effects accounted for much more. The discrepancy between these results and those from previous studies may be due to interspecific differences in embryonic response to thermal variance.

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