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The DOI matches its Crossref record; 79 of the 79 references it cites were found in a registry or an index.

What causes intraspecific variation in resting metabolic rate and what are its ecological consequences?

Open access
Burton, T., Killen, S. S., Armstrong, J. D., Metcalfe, N. B.·2011·Proceedings of the Royal Society B: Biological Sciences

Abstract

Individual differences in the energy cost of self-maintenance (resting metabolic rate, RMR) are substantial and the focus of an emerging research area. These differences may influence fitness because self-maintenance is considered as a life-history component along with growth and reproduction. In this review, we ask why do some individuals have two to three times the ‘maintenance costs’ of conspecifics, and what are the fitness consequences? Using evidence from a range of species, we demonstrate that diverse factors, such as genotypes, maternal effects, early developmental conditions and personality differences contribute to variation in individual RMR. We review evidence that RMR is linked with fitness, showing correlations with traits such as growth and survival. However, these relationships are modulated by environmental conditions (e.g. food supply), suggesting that the fitness consequences of a given RMR may be context-dependent. Then, using empirical examples, we discuss broad-scale reasons why variation in RMR might persist in natural populations, including the role of both spatial and temporal variation in selection pressures and trans-generational effects. To conclude, we discuss experimental approaches that will enable more rigorous examination of the causes and consequences of individual variation in this key physiological trait.

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Metadata

Authors
Burton, T., Killen, S. S., Armstrong, J. D., & Metcalfe, N. B.
Venue
Proceedings of the Royal Society B: Biological Sciences
Published
2011-09-28
Volume
278
Issue
1724
Pages
3465-3473
ISSN
  • 0080-4649 (ISSN-L)
  • 0962-8452
  • 1471-2954
OpenAlex
W2099735287
Cited by
709
References
79
FWCI
31.70
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: What causes intraspecific variation in resting metabolic rate and what are its ecological consequences? https://app.cochat.ai/papers/10.1098/rspb.2011.1778
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Burton, T., Killen, S. S., Armstrong, J. D., & Metcalfe, N. B. (2011). What causes intraspecific variation in resting metabolic rate and what are its ecological consequences? Proceedings of the Royal Society B: Biological Sciences. https://doi.org/10.1098/rspb.2011.1778

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