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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04184naa a2200421 4500 | |
| 001 | oai:DiVA.org:uu-217208 | |
| 003 | SwePub | |
| 008 | 140131s2012 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-2172082 URI |
| 024 | 7 | a https://doi.org/10.1186/1741-7007-10-602 DOI |
| 040 | a (SwePub)uu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Campione, Nicolas E.4 aut |
| 245 | 1 0 | a A universal scaling relationship between body mass and proximal limb bone dimensions in quadrupedal terrestrial tetrapods |
| 264 | c 2012-07-10 | |
| 264 | 1 | b BioMed Central,c 2012 |
| 338 | a electronic2 rdacarrier | |
| 520 | a BackgroundBody size is intimately related to the physiology and ecology of an organism. Therefore, accurate and consistent body mass estimates are essential for inferring numerous aspects of paleobiology in extinct taxa, and investigating large-scale evolutionary and ecological patterns in the history of life. Scaling relationships between skeletal measurements and body mass in birds and mammals are commonly used to predict body mass in extinct members of these crown clades, but the applicability of these models for predicting mass in more distantly related stem taxa, such as non-avian dinosaurs and non-mammalian synapsids, has been criticized on biomechanical grounds. Here we test the major criticisms of scaling methods for estimating body mass using an extensive dataset of mammalian and non-avian reptilian species derived from individual skeletons with live weights.ResultsSignificant differences in the limb scaling of mammals and reptiles are noted in comparisons of limb proportions and limb length to body mass. Remarkably, however, the relationship between proximal (stylopodial) limb bone circumference and body mass is highly conserved in extant terrestrial mammals and reptiles, in spite of their disparate limb postures, gaits, and phylogenetic histories. As a result, we are able to conclusively reject the main criticisms of scaling methods that question the applicability of a universal scaling equation for estimating body mass in distantly related taxa.ConclusionsThe conserved nature of the relationship between stylopodial circumference and body mass suggests that the minimum diaphyseal circumference of the major weight-bearing bones is only weakly influenced by the varied forces exerted on the limbs (that is, compression or torsion) and most strongly related to the mass of the animal. Our results, therefore, provide a much-needed, robust, phylogenetically corrected framework for accurate and consistent estimation of body mass in extinct terrestrial quadrupeds, which is important for a wide range of paleobiological studies (including growth rates, metabolism, and energetics) and meta-analyses of body size evolution. | |
| 650 | 7 | a NATURVETENSKAPx Biologix Evolutionsbiologi0 (SwePub)106152 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Evolutionary Biology0 (SwePub)106152 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Biologix Ekologi0 (SwePub)106112 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Ecology0 (SwePub)106112 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Biologix Zoologi0 (SwePub)106082 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Zoology0 (SwePub)106082 hsv//eng |
| 653 | a Biologi med inriktning mot evolutionär organismbiologi | |
| 653 | a Biology with specialization in Evolutionary Organismal Biology | |
| 700 | 1 | a Evans, David C.u Royal Ontario Museum4 aut |
| 710 | 2 | a Royal Ontario Museum4 org |
| 773 | 0 | t BMC Biologyd : BioMed Centralg 10, s. 60-q 10<60-x 1741-7007 |
| 856 | 4 | u https://doi.org/10.1186/1741-7007-10-60y Fulltext |
| 856 | 4 | u http://www.biomedcentral.com/1741-7007/10/60 |
| 856 | 4 | u https://uu.diva-portal.org/smash/get/diva2:692520/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print |
| 856 | 4 | u https://bmcbiol.biomedcentral.com/track/pdf/10.1186/1741-7007-10-60 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-217208 |
| 856 | 4 8 | u https://doi.org/10.1186/1741-7007-10-60 |
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