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dc.contributor.author
Raya Rey, Andrea Nélida
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dc.contributor.author
Trathan, P.
dc.contributor.author
Pütz, Klemens
dc.contributor.author
Schiavini, Adrian Carlos Miguel
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dc.date.available
2022-05-03T15:31:55Z
dc.date.issued
2007-12
dc.identifier.citation
Raya Rey, Andrea Nélida; Trathan, P.; Pütz, Klemens; Schiavini, Adrian Carlos Miguel; Effect of oceanographic conditions on the winter dispersion of Eudyptes chrysocome chrysocome; Inter-Research; Marine Ecology Progress Series; 330; 12-2007; 285-295
dc.identifier.issn
0171-8630
dc.identifier.uri
http://hdl.handle.net/11336/156343
dc.description.abstract
We used Argos satellite transmitters to monitor the movement and oceanographic habitats used by rockhopper penguins Eudyptes chrysocome chrysocome during their winter dispersal from Staten Island, Argentina, for 2002 (n = 10) and 2003 (n = 15). In both years penguins concentrated their activities to shallow and highly productive waters with temperatures ranging from 5 to 8°C. However, analysis of migration patterns, in conjunction with remotely-sensed sea surface temperature (SST) and chlorophyll a (chl a) concentration data, showed that habitat use and movement were substantially different for the 2 years. Both years were characterised by different oceanographic conditions; comparison of SST revealed colder temperatures in 2002 than the long-term average, while temperatures in 2003 were not significantly different from average conditions. The movement of rockhopper penguins differed between years: penguins migrated to the same general locations but used a larger number of foraging areas in 2002. They also spent less time travelling than in 2003. Moreover, we also found differences in adult survival or return rate and breeding success between years. Consequently, we conclude that during colder winters with more heterogeneous oceanographic conditions (e.g. 2002), penguins are better able to find enough food to achieve body condition for the following breeding season.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Inter-Research
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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
SOUTHERN ROCKHOPPER PENGUIN
dc.subject
WINTER MIGRATION
dc.subject
OCEANOGRAPHY
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
Effect of oceanographic conditions on the winter dispersion of Eudyptes chrysocome chrysocome
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-04-26T18:09:43Z
dc.journal.volume
330
dc.journal.pagination
285-295
dc.journal.pais
Alemania
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dc.description.fil
Fil: Raya Rey, Andrea Nélida. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.description.fil
Fil: Trathan, P.. British Antartic Survey; Reino Unido
dc.description.fil
Fil: Pütz, Klemens. Antarctic Research Trust; Alemania
dc.description.fil
Fil: Schiavini, Adrian Carlos Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.journal.title
Marine Ecology Progress Series
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.int-res.com/abstracts/meps/v330/p285-295/
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.3354/meps330285
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