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红喉北蜂鸟蛰伏期间耗氧量及体温的调节

Regulation of oxygen consumption and body temperature during torpor in a hummingbird, Eulampis jugularis.

作者信息

Hainsworth F R, Wolf L L

出版信息

Science. 1970 Apr 17;168(3929):368-9. doi: 10.1126/science.168.3929.368.

DOI:10.1126/science.168.3929.368
PMID:5435893
Abstract

The West Indian hummingbird, Eulampis jugularis, maintained its body temperature in torpor at 18 degrees to 20 degrees C over an ambient temperature range of 2.5 degrees to 18 degrees C. At ambient below 18 degrees C oxygen consumption during torpor increased linearly with decreasing temperature. Thermal conductances were the same for resting and torpid Eulampis regulating their body temperatures at 40 degrees and 18 degrees C, respectively.

摘要

西印度蜂鸟（Eulampis jugularis）在环境温度为2.5摄氏度至18摄氏度的范围内，能将体温维持在18摄氏度至20摄氏度的蛰伏状态。当环境温度低于18摄氏度时，蛰伏期间的耗氧量随温度降低呈线性增加。分别在40摄氏度和18摄氏度调节体温的静止和蛰伏状态的西印度蜂鸟的热传导率相同。

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