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Published VersionCC BY V4.0, Open Access
Editorial
An oversimplification of physiological principles leads to flawed macroecological analyses
Ecology and Evolution, Vol.9(21), pp.12020-12025
2019
Abstract
At the heart of the issue is the reliance on the Scholander–Irving model (Scholander, Hock, Walters, Johnson, & Irving, ), a classic descriptive model of the relationship between ambient temperature and metabolic rate in strict homeotherms (i.e., species that maintain their body temperature within a somewhat narrow, although undefined range). [...]Tlc is often difficult to delineate at a single temperature using standard respirometry techniques, because no clear “breakpoint” in metabolic rate exists for many species (McNab, ), and Tlc may change seasonally (Kobbe, Nowack, & Dausmann, ). [...]many older papers calculated Tlc by eyeballing lines through metabolic data and estimating the intersection with basal metabolic rate. [...]the values are approximations (in many cases, they are different than what we would estimate from the same data). Evaluation of data quality of the first 20 mammal species included in the analysis of Buckley et al. ( ) Species T b T lc Original source Comments n Wild/Zoo/Lab Data quality Abrothrix andinus 39.3 26.8 Bozinovic and Rosenmann ( ) Tb calculated working backwards estimates of MR. Actual measured Tb differs (and has a range) 8 Wild Questionable Ailurus fulgens 37.6 25 McNab ( ) McNab argues that they do not follow standard homeotherm energetics; Scholander‐Irving (S‐I) model likely a bad model for this species 2 Zoo Questionable Akodon azarae 37.7 30 Dalby and Heath ( ) Tb continues to drop with Ta, suggesting the S‐I model might be inappropriate 8 Lab Questionable Ammospermophilus leucurus 37.2 31 Dawson ( ) Tb used was measured at Ta below Tlc presented; Range was 35.6–38.1°C, and taken during active period instead of the inactive period; animals were excitable and did not cope well with captivity 12 Wild Questionable Anoura caudifer 36.3 26 McNab ( ) Tb in fig. 10 range from roughly 33 to 42°C with c.v. of 4.0% around the mean.
Details
- Title
- An oversimplification of physiological principles leads to flawed macroecological analyses
- Authors
- Justin G Boyles (Corresponding Author) - Southern Illinois University EdwardsvilleDanielle L Levesque (Author) - University of MaineJulia Nowack (Author) - Liverpool John Moores UniversityMichal S Wojciechowski (Author) - Nicolaus Copernicus UniversityClare Stawski (Author) - Norwegian University of Science and TechnologyAndrea Fuller (Author) - University of the WitwatersrandSmit Ben (Author) - Rhodes UniversityGlenn J Tattersall (Author) - Brock University
- Publication details
- Ecology and Evolution, Vol.9(21), pp.12020-12025
- Publisher
- John Wiley and Sons Ltd.
- Date published
- 2019
- DOI
- 10.1002/ece3.5721
- ISSN
- 2045-7758
- Copyright note
- © 2019 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
- Organisation Unit
- University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99615508402621
- Output Type
- Editorial
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