dorsal/arxiv
View SchemaUnified Theory of Allometric Scaling
| Authors | Jafferson K. L. da Silva, Lauro A. Barbosa, Paulo Roberto Silva |
|---|---|
| Categories | |
| ArXiv ID | physics/0603063 |
| URL | https://arxiv.org/abs/physics/0603063 |
Abstract
A general simple theory for the interspecific allometric scaling is developed in the $d+1$-dimensional space ($d$ biological lengths and a physiological time) of metabolic states of organisms. It is assumed that natural selection shaped the metabolic states in such a way that the mass and energy $d+1$-densities are size-invariant quantities (independent of body mass). The different metabolic states (basal and maximum) are described by considering that the biological lengths and the physiological time are related by different transport processes of energy and mass. In the basal metabolism, transportation occurs by ballistic and diffusion processes. In $d=3$, the 3/4 law occurs if the ballistic movement is the dominant process, while the 2/3 law appears when both transport processes are equivalent. Accelerated movement during the biological time is related to the maximum aerobic sustained metabolism, which is characterized by the scaling exponent $2d/(2d+1)$ (6/7 in $d=3$). The results are in good agreement with empirical data and a verifiable empirical prediction about the aorta blood velocity in maximum metabolic rate conditions is made.
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"abstract": "A general simple theory for the interspecific allometric scaling is developed\nin the $d+1$-dimensional space ($d$ biological lengths and a physiological\ntime) of metabolic states of organisms. It is assumed that natural selection\nshaped the metabolic states in such a way that the mass and energy\n$d+1$-densities are size-invariant quantities (independent of body mass). The\ndifferent metabolic states (basal and maximum) are described by considering\nthat the biological lengths and the physiological time are related by different\ntransport processes of energy and mass. In the basal metabolism, transportation\noccurs by ballistic and diffusion processes. In $d=3$, the 3/4 law occurs if\nthe ballistic movement is the dominant process, while the 2/3 law appears when\nboth transport processes are equivalent. Accelerated movement during the\nbiological time is related to the maximum aerobic sustained metabolism, which\nis characterized by the scaling exponent $2d/(2d+1)$ (6/7 in $d=3$). The\nresults are in good agreement with empirical data and a verifiable empirical\nprediction about the aorta blood velocity in maximum metabolic rate conditions\nis made.",
"arxiv_id": "physics/0603063",
"authors": [
"Jafferson K. L. da Silva",
"Lauro A. Barbosa",
"Paulo Roberto Silva"
],
"categories": [
"physics.bio-ph",
"physics.pop-ph"
],
"title": "Unified Theory of Allometric Scaling",
"url": "https://arxiv.org/abs/physics/0603063"
},
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