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Effects of size and temperature on metabolic rate


Please use this identifier to cite or link to this item: http://hdl.handle.net/1928/1656

Effects of size and temperature on metabolic rate

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Title: Effects of size and temperature on metabolic rate
Author: Gillooly, James; Brown, James; West, Geoffrey; Savage, Van; Charnov, Eric
Subject: allometry
body size
metabolic rate
Abstract: We derive a general model, based on principles of biochemical kinetics and allometry, that characterizes the effects of temperature and body mass on metabolic rate. The model fits metabolic rates of microbes, ectotherms, endotherms (including those in hibernation), and plants in temperatures ranging from 0 to 40C. Mass - and temperature - compensated resting metabolic rates of all organisms are similar: The lowest (for unicellular organisms and plants) is separated from the highest (for endothermic vertebrates) by a factor of about 20. Temperature and body size are primary determinants of biological time and ecological roles.
Date: 2001-09-21
Publisher: Science
Citation: Gillooly, J.F., J.H. Brown, G.B. West, V.M. Savage and E.L. Charnov. 2001. Effects of size and temperature on metabolic rate. Science 293:2248-2251
URI: http://hdl.handle.net/1928/1656

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