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The scaling of maximum and basal metabolic rates of mammals and birds

Author

Listed:
  • Barbosa, Lauro A.
  • Garcia, Guilherme J.M.
  • da Silva, Jafferson K.L.

Abstract

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 M6/7, maximum heart rate as M-1/7, and muscular capillary density as M-1/7, in agreement with data.

Suggested Citation

  • Barbosa, Lauro A. & Garcia, Guilherme J.M. & da Silva, Jafferson K.L., 2006. "The scaling of maximum and basal metabolic rates of mammals and birds," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 359(C), pages 547-554.
    • Handle: RePEc:eee:phsmap:v:359:y:2006:i:c:p:547-554
    DOI: 10.1016/j.physa.2005.06.050
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