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dc.contributor.author
Liljesthrom, Marcela
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dc.contributor.author
Emslie, Steven Douglas
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dc.contributor.author
Dargan,Frierson.
dc.contributor.author
Schiavini, Adrian Carlos Miguel
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dc.date.available
2021-06-04T14:29:02Z
dc.date.issued
2008-12
dc.identifier.citation
Liljesthrom, Marcela; Emslie, Steven Douglas; Dargan,Frierson.; Schiavini, Adrian Carlos Miguel; Avian Predation at a Southern Rockhopper Penguin colony on Staten Island, Argentina; Springer; Polar Biology; 31; 4; 12-2008; 465-474
dc.identifier.issn
0722-4060
dc.identifier.uri
http://hdl.handle.net/11336/133222
dc.description.abstract
We studied predation risk in relation to nest location and subcolony size in Southern Rockhopper Penguins (Eudyptes chrysocome chrysocome) during the chick-rearing period. Striated Caracaras (Phalcoboenus australis), the main predator, preferentially attacked from tussock grasses which are found in the periphery of all subcolonies (peripheral tussocks) and often scattered within them (central tussocks). The greatest numbers of predation and attempted predation events were observed on nests in the periphery of the subcolony next to peripheral tussocks, and on those nests next to central tussocks. Central tussocks offer Striated Caracaras an additional "edge" area from which to prey, much in the same way as do the peripheral tussocks. Predation rate per individual was not correlated with subcolony size possibly due to the presence of central tussocks which, by creating an extra edge area, change the subcolony shape. There is a suggestion (P = 0.06) of increased probability of nest success with subcolony size.
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
AVIAN PREDATION
dc.subject
EUDYPTES CHRYSOCOME CHRYSOCOME
dc.subject
NEST LOCATION
dc.subject
PHALCOBOENUS AUSTRALIS
dc.subject
SOUTHERN ROCKHOPPER PENGUIN
dc.subject
STRIATED CARACARA
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
Avian Predation at a Southern Rockhopper Penguin colony on Staten Island, 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
2021-03-26T13:05:22Z
dc.journal.volume
31
dc.journal.number
4
dc.journal.pagination
465-474
dc.journal.pais
Alemania
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dc.description.fil
Fil: Liljesthrom, Marcela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina. University of North Carolina; Estados Unidos
dc.description.fil
Fil: Emslie, Steven Douglas. University of North Carolina; Estados Unidos
dc.description.fil
Fil: Dargan,Frierson.. University of North Carolina; Estados Unidos
dc.description.fil
Fil: Schiavini, Adrian Carlos Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.journal.title
Polar Biology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/s00300-007-0372-1
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1007/s00300-007-0372-1
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