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首页> 外文期刊>Herpetologica >Circadian rhythm of behavioral thermoregulation in the sleepy lizard (Tiliqua rugosa)
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Circadian rhythm of behavioral thermoregulation in the sleepy lizard (Tiliqua rugosa)

机译：嗜睡蜥蜴（Tiliqua rugosa）中行为温度调节的昼夜节律

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摘要

The daily rhythm of behavioral thermoregulation in sleepy lizards (Tiliqua rugosa) was studied in laboratory thermal gradients under a 12L:12D photoperiod in autumn and spring. In both seasons, lizards showed distinctive daily rhythms of behavioral thermoregulation, selecting their highest body temperatures during the late photophase and lowest ones during the late scotophase or early photophase. When lizards were subjected to a period of constant darkness at both seasons, this rhythm persisted and free-ran with a period of 24.7 h, indicating that it is an endogenous circadian rhythm. Furthermore, the expression of this circadian rhythm varies seasonally in the amplitude of its free-running rhythm and in the phase at which the minimum T-b is selected during 12L:12D. The seasonal variation in the expression of the circadian rhythm of behavioural thermoregulation in Tiliqua rugosa lizards is likely to reflect seasonal changes in the neural regulation of this rhythm.
机译：在秋季和春季，在12L：12D光周期下的实验室热梯度中研究了困蜥蜴（Tiliqua rugosa）行为体温调节的每日节律。在两个季节中，蜥蜴均表现出独特的行为温度调节节奏，在光合作用后期和光合作用后期或光合作用初期选择最低的体温。当蜥蜴在两个季节都处于持续黑暗的时期时，该节律持续存在并以24.7 h的时间自由奔跑，表明这是一种内生的昼夜节律。此外，该昼夜节律的表达在其自由行进节律的振幅以及在12L：12D期间选择最小T-b的阶段随季节变化。 ili虫蜥蜴行为温度调节的昼夜节律表达的季节性变化可能反映了该节律的神经调节的季节性变化。

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