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dc.contributor.authorMiller, Patrick
dc.contributor.authorNarazaki, Tomoko
dc.contributor.authorIsojunno, Saana
dc.contributor.authorSuzuki, Kagari
dc.contributor.authorSmout, Sophie Caroline
dc.contributor.authorSato, Katsufumi
dc.date.accessioned2016-08-18T14:30:16Z
dc.date.available2016-08-18T14:30:16Z
dc.date.issued2016-08-17
dc.identifier.citationMiller , P , Narazaki , T , Isojunno , S , Suzuki , K , Smout , S C & Sato , K 2016 , ' Body density and diving gas volume of the northern bottlenose whale ( Hyperoodon ampullatus ) ' Journal of Experimental Biology , vol. 219 , no. 16 , pp. 2458-2468 . https://doi.org/10.1242/jeb.137349en
dc.identifier.issn0022-0949
dc.identifier.otherPURE: 243531052
dc.identifier.otherPURE UUID: 1bccd45b-db1c-4e2f-9c30-560b3f410d8e
dc.identifier.otherWOS: 000381708300013
dc.identifier.otherScopus: 84984704783
dc.identifier.otherWOS: 000381708300013
dc.identifier.otherORCID: /0000-0002-2212-2135/work/37031850
dc.identifier.urihttp://hdl.handle.net/10023/9326
dc.descriptionFunding for fieldwork and data analysis was provided by the Strategic Environmental Research and Development Program (SERDP), project RC-2337en
dc.description.abstractDiving lung volume and tissue density, reflecting lipid store volume, are important physiological parameters that have only been estimated for a few breath-hold diving species. We fitted 12 northern bottlenose whales with data loggers that recorded depth, 3-axis acceleration and speed either with a fly-wheel or from change of depth corrected by pitch angle.We fitted measured values of the change in speed during 5 s descent and ascent glides to a hydrodynamic model of drag and buoyancy forces using a Bayesian estimation framework. The resulting estimate of diving gas volume was 27.4±4.2 (95% credible interval, CI) ml kg−1, closely matching the measured lung capacity of the species. Dive-by-dive variation in gas volume did not correlate with dive depth or duration. Estimated body densities of individuals ranged from 1028.4 to 1033.9 kg m−3 at the sea surface, indicating overall negative tissue buoyancy of this species in seawater. Body density estimates were highly precise with ±95% CI ranging from 0.1to 0.4 kg m−3, which would equate to a precision of <0.5% of lipid content based upon extrapolation from the elephant seal. Six whales tagged near Jan Mayen (Norway, 71°N) had lower body density and were closer to neutral buoyancy than six whales tagged in the Gully (Nova Scotia, Canada, 44°N), a difference that was consistent with the amount of gliding observed during ascent versus descent phases in these animals. Implementation of this approach using longer duration tags could be used to track longitudinal changes in body density and lipid store body condition of free-ranging cetaceans.
dc.format.extent11
dc.language.isoeng
dc.relation.ispartofJournal of Experimental Biologyen
dc.rights© 2016. Published by The Company of Biologists Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.en
dc.subjectBody conditionen
dc.subjectLipiden
dc.subjectHydrodynamic performanceen
dc.subjectDragen
dc.subjectBuoyancyen
dc.subjectGC Oceanographyen
dc.subjectQH301 Biologyen
dc.subjectQL Zoologyen
dc.subjectAgricultural and Biological Sciences(all)en
dc.subject.lccGCen
dc.subject.lccQH301en
dc.subject.lccQLen
dc.titleBody density and diving gas volume of the northern bottlenose whale (Hyperoodon ampullatus)en
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews.School of Biologyen
dc.contributor.institutionUniversity of St Andrews.Sea Mammal Research Uniten
dc.contributor.institutionUniversity of St Andrews.Marine Alliance for Science & Technology Scotlanden
dc.contributor.institutionUniversity of St Andrews.Scottish Oceans Instituteen
dc.contributor.institutionUniversity of St Andrews.Institute of Behavioural and Neural Sciencesen
dc.contributor.institutionUniversity of St Andrews.Centre for Social Learning & Cognitive Evolutionen
dc.contributor.institutionUniversity of St Andrews.Bioacoustics groupen
dc.contributor.institutionUniversity of St Andrews.Centre for Research into Ecological & Environmental Modellingen
dc.identifier.doihttps://doi.org/10.1242/jeb.137349
dc.description.statusPeer revieweden
dc.identifier.urlhttp://jeb.biologists.org/content/219/18/2962


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