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dc.contributor.author
Dellabianca, Natalia Andrea
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dc.contributor.author
Hohn, Aleta A.
dc.contributor.author
Prosser Goodall, Rae Natalie
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dc.contributor.author
Pousa, Jorge Lorenzo
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dc.contributor.author
Macleod, Colin D.
dc.contributor.author
Lima, Mauricio
dc.date.available
2020-01-15T20:48:19Z
dc.date.issued
2012-08
dc.identifier.citation
Dellabianca, Natalia Andrea; Hohn, Aleta A.; Prosser Goodall, Rae Natalie; Pousa, Jorge Lorenzo; Macleod, Colin D.; et al.; Influence of climate oscillations on dentinal deposition in teeth of Commerson's dolphin; Wiley Blackwell Publishing, Inc; Global Change Biology; 18; 8; 8-2012; 2477-2486
dc.identifier.issn
1354-1013
dc.identifier.uri
http://hdl.handle.net/11336/94841
dc.description.abstract
Effects of climatic oscillations on populations in marine environments are produced mainly through the lower trophic levels. Marine mammals, as top predators, are affected indirectly by these fluctuations, showing variations in their survival, growth and reproduction. The main objective of this study was to determine whether we could detect the effect of climatic oscillations on Commerson's dolphins (Cephalorhynchus c. commersonii) off Tierra del Fuego, Argentina, by examining the presence and proportion of anomalous dentinal growth layer groups (GLGs). The relative deposition of anomalous GLGs was determined using calendar years from 1960 to 2005, and related to the Southern Annular Mode (SAM) and El Niño Southern Oscillation (ENSO) events, and to mean annual sea surface temperatures (SST). Then, growth parameters between animals that did and did not show anomalous dentinal growth layer patterns in one or more of their GLGs were compared. The presence of anomalous GLGs was related to the SAM, increasing in frequency with negative values of the SAM. No relationship was found among anomalous GLGs, ENSO, and SST. There were no significant differences in growth parameters between animals with and without anomalous GLGs. Using recording structures such as teeth provided a unique way of reconstructing time series to evaluate the effects of these climatic patterns on a top predator species in an area where no similar studies have been conducted, primarily due to a lack of suitable long-term data sets.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
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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
ARGENTINA
dc.subject
DENTINAL ANOMALIES
dc.subject
ENSO
dc.subject
GROWTH
dc.subject
SAM
dc.subject
SST
dc.subject
TIERRA DEL FUEGO
dc.subject.classification
Otros Tópicos Biológicos
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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
Influence of climate oscillations on dentinal deposition in teeth of Commerson's dolphin
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-01-15T19:21:03Z
dc.journal.volume
18
dc.journal.number
8
dc.journal.pagination
2477-2486
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Dellabianca, Natalia Andrea. Museo Acatushún de Aves y Mamíferos Marinos Australes; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.description.fil
Fil: Hohn, Aleta A.. National Marine Fisheries Service Southeast Fisheries Center Beaufort Laboratory Beaufort; Estados Unidos
dc.description.fil
Fil: Prosser Goodall, Rae Natalie. Museo Acatushún de Aves y Mamíferos Marinos Australes; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.description.fil
Fil: Pousa, Jorge Lorenzo. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Laboratorio de Oceanografía Costera y Estuarios; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Macleod, Colin D.. University of Aberdeen; Reino Unido
dc.description.fil
Fil: Lima, Mauricio. Pontificia Universidad Católica de Chile; Chile
dc.journal.title
Global Change Biology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1365-2486.2012.02707.x
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1111/j.1365-2486.2012.02707.x
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