Basal metabolic rate scaled to body mass within species by the fractal dimension of the vascular system and body composition

Roux, C.Z.

doi:10.4314/sajas.v47i4.8

Cited by 1 publication

(3 citation statements)

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“…New RTN-based models (e.g., [84,[173][174][175][176]) or applications (e.g., [22,172,177]) continue to appear that have not sufficiently heeded the history of accumulating negative evidence against the assumptions, logic and predictions of previous RTN models.…”

Section: Resource-transport Modelsmentioning

confidence: 99%

“…The metabolic-level boundaries hypothesis (MLBH) is primarily a SA-RD model (but see Section 3.1.2) that postulates that the relative effects of SA-related and volume (RD)-related processes on metabolic scaling vary with metabolic level [19,39,46,56]. RT-SC models combine the effects of resource-transport networks with effects of unequal tissue metabolic rates [176,245]. The RT-RD model of [86] considers the balance between RT-related resource supply and resource demand.…”

Section: Models With Two Major Mechanismsmentioning

confidence: 99%

“…SA = surface-area theory; RT = resource-transport theory; SC = system-composition theory; RD = resource-demand theory. (A) [27,80,122,130], (B) [148], (C) [19,39,46,56], (D) [176,245]. (E) [86], (F) [25,89,106,167,246].…”

Section: Multi-mechanistic Approachesmentioning

confidence: 99%

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Rediscovering and Reviving Old Observations and Explanations of Metabolic Scaling in Living Systems

Glazier

2018

Systems

112

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Why the rate of metabolism varies (scales) in regular, but diverse ways with body size is a perennial, incompletely resolved question in biology. In this article, I discuss several examples of the recent rediscovery and (or) revival of specific metabolic scaling relationships and explanations for them previously published during the nearly 200-year history of allometric studies. I carry out this discussion in the context of the four major modal mechanisms highlighted by the contextual multimodal theory (CMT) that I published in this journal four years ago. These mechanisms include metabolically important processes and their effects that relate to surface area, resource transport, system (body) composition, and resource demand. In so doing, I show that no one mechanism can completely explain the broad diversity of metabolic scaling relationships that exists. Multi-mechanistic models are required, several of which I discuss. Successfully developing a truly general theory of biological scaling requires the consideration of multiple hypotheses, causal mechanisms and scaling relationships, and their integration in a context-dependent way. A full awareness of the rich history of allometric studies, an openness to multiple perspectives, and incisive experimental and comparative tests can help this important quest.

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Section: Resource-transport Modelsmentioning

confidence: 99%

Section: Models With Two Major Mechanismsmentioning

confidence: 99%

See 1 more Smart Citation

Rediscovering and Reviving Old Observations and Explanations of Metabolic Scaling in Living Systems

Glazier

2018

Systems

112

View full text Add to dashboard Cite

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Basal metabolic rate scaled to body mass within species by the fractal dimension of the vascular system and body composition

Abstract: Previous investigations show that it is plausible that metabolic rates (MR)

Cited by 1 publication

References 20 publications

Rediscovering and Reviving Old Observations and Explanations of Metabolic Scaling in Living Systems

Rediscovering and Reviving Old Observations and Explanations of Metabolic Scaling in Living Systems

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