Cited by 183Physiological and biochemical adaptationsEvolution and Paleontology StudiesAdipose Tissue and Metabolism

Does Basal Metabolic Rate Contain a Useful Signal? Mammalian BMR Allometry and Correlations with a Selection of Physiological, Ecological, and Life‐History Variables

White, Craig R., Seymour, Roger S.·2004·Physiological and Biochemical Zoology

Abstract

Basal metabolic rate (BMR, mL O2 h(-1)) is a useful measurement only if standard conditions are realised. We present an analysis of the relationship between mammalian body mass (M, g) and BMR that accounts for variation associated with body temperature, digestive state, and phylogeny. In contrast to the established paradigm that BMR proportional to M3/4, data from 619 species, representing 19 mammalian orders and encompassing five orders of magnitude variation in M, show that BMR proportional to M2/3. If variation associated with body temperature and digestive state are removed, the BMRs of eutherians, marsupials, and birds do not differ, and no significant allometric exponent heterogeneity remains between orders. The usefulness of BMR as a general measurement is supported by the observation that after the removal of body mass effects, the residuals of BMR are significantly correlated with the residuals for a variety of physiological and ecological variables, including maximum metabolic rate, field metabolic rate, resting heart rate, life span, litter size, and population density.

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Authors
White, C. R., & Seymour, R. S.
Affiliations
The University of Adelaide (AU)
Corresponding author
  • White, Craig R.
  • Seymour, Roger S.
Venue
Physiological and Biochemical Zoology
Published
2004-11
Volume
77
Issue
6
Pages
929-941
ISSN
  • 1522-2152 (ISSN-L)
  • 1537-5293
OpenAlex
W2045053807
Cited by
183
References
69
Citations by year
2026: 6 · 2025: 5 · 2024: 7 · 2023: 4 · 2022: 5 · 2021: 8 · 2020: 6 · 2019: 8 · 2018: 9 · 2017: 10 · 2016: 10 · 2015: 5 · 2014: 15 · 2013: 7 · 2012: 9
FWCI
7.52
Type
journal article
Language
en
Open access
closed
Locations
  • Physiological and Biochemical Zoology (publishedVersion)
  • PubMed (publishedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
Topics
  • Physical Sciences › Environmental Science › Ecology › Physiological and biochemical adaptations
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Evolution and Paleontology Studies
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
Keywords
basal metabolic rate, body mass scaling, allometric exponent, body temperature, phylogeny, placental mammals, marsupials, birds, maximum metabolic rate, field metabolic rate, resting heart rate, lifespan, litter size, population density, life-history traits
MeSH terms
Animals, Basal Metabolism, Birds, Body Temperature, Biological Evolution, Mammals, Phylogeny, Species Specificity, Ecosystem, Body Size

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