Dive behaviour can predict metabolic expenditure in Steller sea lions

Goundie, Elizabeth T.; Rosen, David A. S.; Trites, Andrew W.

doi:10.1093/conphys/cov052

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Dive behaviour can predict metabolic expenditure in Steller sea lions

2015
By Goundie, Elizabeth T. ; Rosen, David A. S. ; Trites, Andrew W.
Source: Conservation Physiology, 3(1), cov052

[PDF-673.58 KB]

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Journal Title:

Conservation Physiology
Personal Author:

Goundie, Elizabeth T. ; Rosen, David A. S. ; Trites, Andrew W.

Goundie, Elizabeth T. ; Rosen, David A. S. ; Trites, Andrew W. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service)
Description:

Quantification of costs associated with foraging contributes to understanding the energetic impact that changes in prey availability have on the energy balance of an animal and the fitness of populations. However, estimating the costs of foraging is difficult for breath-hold divers, such as Steller sea lions, that feed underwater. We developed models parameterized with data from free-diving captive Steller sea lions to estimate the costs incurred by wild animals while foraging. We measured diving metabolic rate of trained sea lions performing four types of dives to 10 and 40 m in the open ocean and estimated the separate costs of different dive components: surface time; bottom time; and transiting to and from depth.
Keywords:

[+]

Ecological Modeling Management, Monitoring, Policy And Law Nature And Landscape Conservation Physiology
Source:

Conservation Physiology, 3(1), cov052
DOI:

https://doi.org/10.1093/conphys/cov052
ISSN:

2051-1434
Format:

PDF
Publisher:

Oxford University Press (OUP)
Document Type:

Journal Article
Funding:

Grant no. NA11NMF4390124
License:

https://creativecommons.org/licenses/by/4.0/
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CC BY
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Library
Main Document Checksum:

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urn:sha256:1dcd1f665091f13f26782585421db95898e334b80ba015700c8b9a823b361ff8
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https://repository.library.noaa.gov/view/noaa/59067/noaa_59067_DS1.pdf
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Dive behaviour can predict metabolic expenditure in Steller sea lions

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