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dc.contributor.author
Blanco, Gabriela Silvina
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dc.contributor.author
Sanchez Carnero, Noela Belen
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dc.contributor.author
Pisoni, Juan Pablo
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dc.contributor.author
Quintana, Flavio Roberto
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dc.date.available
2018-02-27T19:16:18Z
dc.date.issued
2017-03
dc.identifier.citation
Blanco, Gabriela Silvina; Sanchez Carnero, Noela Belen; Pisoni, Juan Pablo; Quintana, Flavio Roberto; Seascape modeling of southern giant petrels from Patagonia during different life-cycles; Springer; Marine Biology; 164; 3; 3-2017; 1-14
dc.identifier.issn
0025-3162
dc.identifier.uri
http://hdl.handle.net/11336/37309
dc.description.abstract
Presence-only models such as Ecological Niche Factor Analysis (ENFA) compare distributions of environmental variables and species, generating habitat suitability (HS) maps. Here, we determined the factors affecting distribution of southern giant petrels (SGP) from northern Patagonian colonies (Isla Arce: 45° 00ʹS; 65°29′W, and Isla Gran Robredo: 45°08ʹS; 66°03′W) using ENFA, improving estimates of their potential year-round feeding habitats. Data on movements of 17 adult and 9 first-year juvenile SGP were gathered using satellite telemetry. Model eco-geographical variables (EGV) overlapped the tracked animals. The resulting HS maps included most of the tracking locations along the Argentinean Shelf and reflected characteristics that congregate procellariiformes elsewhere. Wind conditions and primary productivity shaped foraging HS of petrels over the year. However, different EGVs influenced this population differently depending on the requirements of their life stage. For example, juveniles showed high marginality (values of EGVs different from the mean values available). Breeding adults´ HS was determined by a small range of values within those available, showing high specializations. Contrarily, wintering petrels showed plasticity in the selection of their foraging environments being distribution of fisheries one of the variables influencing their distribution. This study highlights the importance of the Argentinean Shelf for conservation of the marine environment.
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
Argentinean Shelf
dc.subject
Ecological Niche Factor Analysis (Enfa)
dc.subject
Seascape Modeling
dc.subject
Southern Giant Petrel
dc.title
Seascape modeling of southern giant petrels from Patagonia during different life-cycles
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-02-22T21:06:31Z
dc.journal.volume
164
dc.journal.number
3
dc.journal.pagination
1-14
dc.journal.pais
Alemania
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dc.journal.ciudad
Berlin
dc.description.fil
Fil: Blanco, Gabriela Silvina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Instituto de Biología de Organismos Marinos; Argentina
dc.description.fil
Fil: Sanchez Carnero, Noela Belen. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
dc.description.fil
Fil: Pisoni, Juan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
dc.description.fil
Fil: Quintana, Flavio Roberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Instituto de Biología de Organismos Marinos; Argentina
dc.journal.title
Marine Biology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/s00227-017-3094-0
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s00227-017-3094-0
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