Results 131 to 140 of about 485 (157)

A New Comparative Metric for Estimating Heterothermy in Endotherms

Physiological and Biochemical Zoology, 2011
A major focus in the study of endothermic thermoregulation has been the description of thermoregulatory patterns used by various species and/or populations. Compared with ectotherms, relatively few attempts have been made to study the thermoregulation of endotherms in an adaptive framework.
Boyles, Justin G., Smit, Ben, McKechnie, Andrew E.   +2 more
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Heterothermy in large mammals: inevitable or implemented?

Biological Reviews, 2014
ABSTRACTAdvances in biologging techniques over the past 20 years have allowed for the remote and continuous measurement of body temperatures in free‐living mammals. While there is an abundance of literature on heterothermy in small mammals, fewer studies have investigated the daily variability of body core temperature in larger mammals.
Robyn S, Hetem, Shane K, Maloney, Andrea, Fuller, Duncan, Mitchell   +3 more
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Metabolism in lizards: low lactate turnover and advantages of heterothermy

American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 1987
The bobtail lizard (Tiliqua rugosa) encounters environmental temperatures that range from 7 to 40 degrees C. We have studied the effects of temperature on the whole-body turnover of glucose, lactate, and fatty acid. At 35 degrees C turnover rates of glucose and fatty acid account for the majority of O2 uptake and reflect the low metabolic rate of the ...
M, Guppy, S D, Bradshaw, B, Fergusson, I A, Hansen, C, Atwood   +4 more
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HOT ORYX OPTS FOR HETEROTHERMY

Journal of Experimental Biology, 2003
![Figure][1] By desert standards, 2001 was a wet year in Saudi Arabia, with almost 14 cm of rain falling. But even in the wettest years, water is scarce, and mostly locked up in the few hardy plants that tolerate the harsh conditions. Which is why the Arabian oryx never drinks!
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Temperature dependence of regional heterothermy in a diminutive ectotherm

Journal of Experimental Biology
ABSTRACT Regional heterothermy describes when body regions differ in temperature, which can have important ramifications for performance because most biological processes are temperature dependent. However, the relationship between regional heterothermy and environmental temperature is not well known, particularly for ectotherms.
Christian L. Cox, Albert K. Chung, Aaron Bindrim, Georgia G. Davidson, Sarah M. Dean, Katherine C. Haines, Alexander Heise, Elana Mauer, Katrina S. Pfennig, Ethan E. Sorrell, David Tepper, Charlie L. J. van den Oord, Michael L. Logan   +12 more
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Correlates and consequences of heterothermy in mammals

2012
Humphries, Murray Mitchell (Internal/Supervisor)
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A Single Origin of Heterothermy in Mammals

2012
Some mammal lineages survived the global fires that occurred in the hours following the asteroid impact at Chicxulub, Yucatan, at the Cretaceous/Tertiary Boundary (K/T Boundary) 65 mya. Several studies have proposed that it was the capacity for torpor and refuge underground, in tree holes, caves, and underwater, that ensured the short- and long-term ...
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Tropical heterothermy is “cool”: The expression of daily torpor and hibernation in primates

Evolutionary Anthropology: Issues, News, and Reviews, 2018
AbstractLiving nonhuman primates generally inhabit tropical forests, and torpor is regarded as a strategy employed by cold‐adapted organisms. Yet, some primates employ daily torpor or hibernation (heterothermy) under obligatory, temporary, or emergency circumstances. Though heterothermy is present in most mammalian lineages, there are only three extant
Marina B. Blanco, Kathrin H. Dausmann, Sheena L. Faherty, Anne D. Yoder   +3 more
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Stage of pregnancy dictates heterothermy in temperate forest-dwelling bats

Journal of Thermal Biology, 2015
(Uploaded by Plazi for the Bat Literature Project) Bats face high energetic requirements, as powered flight is costly and they have a disadvantageous surface-to-volume-ratio. To deal with those requirements energy saving mechanisms, such as heterothermy (torpor), have evolved.
Matthias S, Otto, Nina I, Becker, Jorge A, Encarnação   +2 more
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Heterothermy in Mousebirds: Evidence of Avian Proto-torpor?

2000
Patterns of normothermy and heterothermy in two mousebird species differed in several respects from typical endothermic patterns. Primarily, heterothermic responses in Colius striatus lacked the entry and maintenance phases characteristic of typical torpor bouts.
Andrew E. McKechnie, Barry G. Lovegrove
openaire   +1 more source