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dc.contributor.author
Gómez Laich, Agustina Marta
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dc.contributor.author
Wilson, Rory P.
dc.contributor.author
Shepard, Emily L. C.
dc.contributor.author
Quintana, Flavio Roberto
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dc.date.available
2016-04-25T19:37:30Z
dc.date.issued
2013-04
dc.identifier.citation
Gómez Laich, Agustina Marta; Wilson, Rory P.; Shepard, Emily L. C.; Quintana, Flavio Roberto; Energy expenditure and food consumption of foraging Imperial cormorants in Patagonia, Argentina; Springer; Marine Biology; 160; 7; 4-2013; 1697-1707
dc.identifier.issn
0025-3162
dc.identifier.uri
http://hdl.handle.net/11336/5372
dc.description.abstract
Energy management during the breeding season is crucial for central place foragers since parents need to feed themselves and their offspring while being spatially and temporally constrained. In this work, we used overall dynamic body acceleration as a measure of activity and also to allude to the foraging energy expenditure of breeding Imperial cormorants Phalacrocorax atriceps. We also analyzed how changes in the time or energy allocated to different activities affected the foraging trip energy expenditure and estimated the daily food requirements of the species. Birds spent 42 % of the total energy flying to and from the feeding areas and 16 % floating at sea. The level of activity underwater was almost 1.5 times higher for females than for males. The most expensive diving phase in terms of rate of energy expenditure was descending though the water column. The total foraging trip energy expenditure was particularly sensitive to variation in the amount of time spent flying. During the breeding season, adult cormorants breeding along the Patagonian coast would consume approximately 10,000 tons of food.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Imperial Cormorant
dc.subject
Phalacrocorax Atriceps
dc.subject
Overall Dynamic Body Acceleration (Odba)
dc.subject
Energy Expenditure
dc.subject.classification
Ecología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Energy expenditure and food consumption of foraging Imperial cormorants in Patagonia, Argentina
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-05-06 15:52:43.262787-03
dc.journal.volume
160
dc.journal.number
7
dc.journal.pagination
1697-1707
dc.journal.pais
Alemania
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dc.journal.ciudad
Berlin
dc.description.fil
Fil: Gómez Laich, Agustina Marta. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina
dc.description.fil
Fil: Wilson, Rory P.. University of Wales. Institute of Environmental Sustainability. Biological Sciences; Reino Unido
dc.description.fil
Fil: Shepard, Emily L. C.. University of Wales. Institute of Environmental Sustainability. Biological Sciences; Reino Unido
dc.description.fil
Fil: Quintana, Flavio Roberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina
dc.journal.title
Marine Biology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://link.springer.com/article/10.1007%2Fs00227-013-2222-8
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/10.1007/s00227-013-2222-8
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s00227-013-2222-8
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