Assessing the validity of the accelerometry technique for estimating the energy expenditure of diving double-crested cormorants Phalacrocorax auritus

Halsey, L. G., White, C. R., Enstipp, M. R., Wilson, R. P., Butler, P. J., Martin, G. R., Gremillet, D. and Jones, D. R. (2011) Assessing the validity of the accelerometry technique for estimating the energy expenditure of diving double-crested cormorants Phalacrocorax auritus. Physiological And Biochemical Zoology, 84 2: 230-237. doi:10.1086/658636

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Author Halsey, L. G.
White, C. R.
Enstipp, M. R.
Wilson, R. P.
Butler, P. J.
Martin, G. R.
Gremillet, D.
Jones, D. R.
Title Assessing the validity of the accelerometry technique for estimating the energy expenditure of diving double-crested cormorants Phalacrocorax auritus
Formatted title
Assessing the validity of the accelerometry technique for estimating the energy expenditure of diving double-crested cormorants Phalacrocorax auritus
Journal name Physiological And Biochemical Zoology   Check publisher's open access policy
ISSN 1522-2152
1537-5293
Publication date 2011-03-01
Year available 2011
Sub-type Article (original research)
DOI 10.1086/658636
Open Access Status File (Publisher version)
Volume 84
Issue 2
Start page 230
End page 237
Total pages 8
Place of publication Chicago IL, United States
Publisher University of Chicago Press
Language eng
Formatted abstract
Over the past few years, acceleration-data loggers have been used to provide calibrated proxies of energy expenditure: the accelerometry technique. Relationships between rate of oxygen consumption and a derivation of acceleration data termed “overall dynamic body acceleration” (ODBA) have now been generated for a range of species, including birds, mammals, and amphibians. In this study, we examine the utility of the accelerometry technique for estimating the energy expended by double-crested cormorants Phalacrocorax auritus to undertake a dive cycle (i.e., a dive and the subsequent pause at the surface before another dive). The results show that ODBA does not calibrate with energy expenditure in diving cormorants, where energy expenditure is calculated from measures of oxygen uptake during surface periods between dives. The possible explanations include reasons why energy expenditure may not relate to ODBA but also reasons why oxygen uptake between dives may not accurately represent energy expenditure during a dive cycle.
Keyword Optimal foraging models
Tufted ducks
Heart-rate
Oxygen-consumption
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Electronically Published 2/21/2011. Published under Technical Comments.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Biological Sciences Publications
 
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Created: Sun, 13 Mar 2011, 10:05:26 EST