Journal
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
Volume 359, Issue -, Pages 547-554Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physa.2005.06.050
Keywords
allometry; metabolism; transportation networks; WBE model
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Allometric scaling is one of the most pervasive laws in biology. Its origin, however, is still a matter of dispute. Recent studies have established that maximum metabolic rate scales with an exponent larger than that found for basal metabolism. This unpredicted result sets a challenge that can decide which of the concurrent hypotheses is the correct theory. Here, we show that both scaling laws can be deduced from a single network model. Besides the 3/4-law for basal metabolism, the model predicts that maximum metabolic rate scales as M-6/7, maximum heart rate as M-1/7, and muscular capillary density as M-1/7, in agreement with data. (c) 2005 Elsevier B.V. All rights reserved.
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