Baby in the bathwater: Should we abandon the use of body temperature thresholds to quantify expression of torpor?

被引:34
作者
Brigham, R. M. [1 ]
Willis, C. K. R. [2 ]
Geiser, F. [3 ]
Mzilikazi, N. [4 ]
机构
[1] Univ Regina, Dept Biol, Regina, SK S4S 0A2, Canada
[2] Univ Winnipeg, Dept Biol, Winnipeg, MB R3T 2N2, Canada
[3] Univ New England, Ctr Behav & Physiol Ecol, Armidale, NSW 2351, Australia
[4] Nelson Mandela Metropolitan Univ, Dept Zool, ZA-6031 Port Elizabeth, South Africa
基金
新加坡国家研究基金会; 加拿大自然科学与工程研究理事会; 澳大利亚研究理事会;
关键词
Endothermy; Hibernation; Homeothermy; Torpor; ELEPHANT SHREWS; METABOLIC-RATE; DEFINING TORPOR; HIBERNATION; HETEROTHERMY; REDUCTION; HAMSTER; BASKING; BIRDS; FOOD;
D O I
10.1016/j.jtherbio.2011.08.001
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Boyles et al. (this issue) argue against the use of body temperature (T-b) thresholds to quantify the expression of torpor in endotherms and our purpose is to provide a counterpoint argument. We contend that Tb thresholds provide valuable information about ecological factors influencing the evolution of thermoregulation. We also point out shortcomings of the so-called heterothermy index proposed as an alternative. However, to be clear, we do agree with Boyles et al. (this issue) that the use of torpor thresholds can limit some aspects of the study of thermoregulation and applaud the more widespread incorporation of theoretical underpinnings proposed by Boyles et al. (this issue) and others. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:376 / 379
页数:4
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