南滑蜥繁殖行为和繁殖策略的研究

Sichuan Journal of Zoology(2012)

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Abstract
南滑蜥Scincella reevesii系温暖气候区卵胎生蜥蜴,每年繁殖1次,繁殖季节为5月下旬到6月上旬。平均每只繁殖雌蜥产仔6(3~9)条。雌蜥分娩持续时间为30~60min,仔蜥在产出时包被卵膜。南滑蜥雌体采取高投入的繁殖策略,平均繁殖投入为0.359,平均窝仔投入为0.247。相关性回归分析表明,窝仔数、窝仔重与雌蜥体长呈正相关关系,幼仔重与雌蜥体长不相关;窝仔数与雌蜥的繁殖投入及窝仔投入均成正相关,与分娩时的能耗投入不相关,与幼仔投入成显著负相关。
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Key words
reproductive strategy,Scincella reevesii,litter size,reproductive behavior
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