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首页> 外文期刊>Polar biology >Accounting for body condition improves allometric estimates of resting metabolic rates in fasting king penguins, Aptenodytes patagonicus
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Accounting for body condition improves allometric estimates of resting metabolic rates in fasting king penguins, Aptenodytes patagonicus

机译:考虑身体状况可改善空腹王企鹅(Aptenodytes patagonicus)的静息代谢率的异速代谢估计

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摘要

We describe a method that allows prediction of resting metabolic rate (RMR, ml O_2 · min~(-1)) in adult male and female king penguins on shore by measuring body mass (M_b) and the length of the foot, flipper and beak. This method is accurate, underestimating measured RMR (n= 114) by 4% in a data set consisting of 44 birds (33 males and 11 females). Measurement error was unbiased with respect to fasting duration and can therefore estimate RMR during any stage of fasting. This new method provides significant cost and logistical savings when estimating RMR during fieldwork, allowing RMR of a large number of birds to be measured quickly. These findings suggest the possibility that the use of M_b and morphometrics will allow development of general and specific equations to estimate RMR in other species.
机译:我们描述了一种方法,该方法可以通过测量体重(M_b)以及脚,脚蹼和喙的长度来预测岸上成年雌雄企鹅的静息代谢率(RMR,ml O_2·min〜(-1)) 。这种方法是准确的,在由44羽鸟类(33羽雄性和11羽雌性)组成的数据集中,将测得的RMR(n = 114)低了4%。相对于禁食持续时间没有测量误差,因此可以在禁食的任何阶段估计RMR。当在野外工作期间估算RMR时,此新方法可节省大量成本并节省物流成本,从而可以快速测量大量鸟类的RMR。这些发现表明,使用M_b和形态计量学将可能开发通用和特定方程式来估计其他物种的RMR。

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