Nest survival of the Red-crested Cardinal (Paroaria coronata) in a modified habitat in Argentina

Modification of nesting sites caused by human activity can have a negative effect on the reproductive success of birds. In recent decades, a population of Red-crested Cardinal (Paroaria coronata) was established in a modified forest with ecotourism intense activity. In this paper, we model the daily...

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Detalles Bibliográficos
Autores: Segura, L.N., Berkunsky, I.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2012
País:Argentina
Institución:Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
Repositorio:Biblioteca Digital (UBA-FCEN)
Idioma:inglés
OAI Identifier:paperaa:paper_10754377_v23_n4_p489_Segura
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_10754377_v23_n4_p489_Segura
Access Level:acceso abierto
Palabra clave:Ecotourism
Human disturbance
Nest predation
Nest success
Paroaria coronata
Red-crested Cardinal
Thraupidae
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spelling Nest survival of the Red-crested Cardinal (Paroaria coronata) in a modified habitat in Argentina Segura, L.N.Berkunsky, I.EcotourismHuman disturbanceNest predationNest successParoaria coronataRed-crested CardinalThraupidaeModification of nesting sites caused by human activity can have a negative effect on the reproductive success of birds. In recent decades, a population of Red-crested Cardinal (Paroaria coronata) was established in a modified forest with ecotourism intense activity. In this paper, we model the daily nest survival rate of this population of Red-crested Cardinal and we assessed the effect of time of season, age of nest and environmental variables. Between 2007 and 2009 we monitored 69 nests found in areas with different eco-tourist activity and we used the program MARK to estimate and model the daily survival rates. Only six nests produced fledglings and the main cause of nest failure was predation (88%). Nest survival increased with the vegetation cover around the nest and decreased with the date of the breeding season. We found no significant effect in nest survival of the activities related to ecotourism. The coverage around the nest could reduce their exposure by decreasing their detectability and hindering the access of predators, while the decrease in survival over the season could be the result of changes in the community of predators. The low nest survival associated with high rates of nest predation suggest that, in this study site, predator community could be being affected by human habitat alterations. © The Neotropical Ornithological Society.Fil:Segura, L.N. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.2012info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12110/paper_10754377_v23_n4_p489_SeguraOrnitol. Neotrop. 2012;23(4):489-498reponame:Biblioteca Digital (UBA-FCEN)instname:Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturalesinstacron:UBA-FCENenginfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/2.5/ar2024-05-10T10:42:46Zpaperaa:paper_10754377_v23_n4_p489_SeguraInstitucionalhttps://digital.bl.fcen.uba.ar/Universidad públicaNo correspondehttps://digital.bl.fcen.uba.ar/cgi-bin/oaiserver.cgiana@bl.fcen.uba.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:18962024-05-10 10:42:47.796Biblioteca Digital (UBA-FCEN) - Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturalesfalse
dc.title.none.fl_str_mv Nest survival of the Red-crested Cardinal (Paroaria coronata) in a modified habitat in Argentina
title Nest survival of the Red-crested Cardinal (Paroaria coronata) in a modified habitat in Argentina
spellingShingle Nest survival of the Red-crested Cardinal (Paroaria coronata) in a modified habitat in Argentina
Segura, L.N.
Ecotourism
Human disturbance
Nest predation
Nest success
Paroaria coronata
Red-crested Cardinal
Thraupidae
title_short Nest survival of the Red-crested Cardinal (Paroaria coronata) in a modified habitat in Argentina
title_full Nest survival of the Red-crested Cardinal (Paroaria coronata) in a modified habitat in Argentina
title_fullStr Nest survival of the Red-crested Cardinal (Paroaria coronata) in a modified habitat in Argentina
title_full_unstemmed Nest survival of the Red-crested Cardinal (Paroaria coronata) in a modified habitat in Argentina
title_sort Nest survival of the Red-crested Cardinal (Paroaria coronata) in a modified habitat in Argentina
dc.creator.none.fl_str_mv Segura, L.N.
Berkunsky, I.
author Segura, L.N.
author_facet Segura, L.N.
Berkunsky, I.
author_role author
author2 Berkunsky, I.
author2_role author
dc.subject.none.fl_str_mv Ecotourism
Human disturbance
Nest predation
Nest success
Paroaria coronata
Red-crested Cardinal
Thraupidae
topic Ecotourism
Human disturbance
Nest predation
Nest success
Paroaria coronata
Red-crested Cardinal
Thraupidae
description Modification of nesting sites caused by human activity can have a negative effect on the reproductive success of birds. In recent decades, a population of Red-crested Cardinal (Paroaria coronata) was established in a modified forest with ecotourism intense activity. In this paper, we model the daily nest survival rate of this population of Red-crested Cardinal and we assessed the effect of time of season, age of nest and environmental variables. Between 2007 and 2009 we monitored 69 nests found in areas with different eco-tourist activity and we used the program MARK to estimate and model the daily survival rates. Only six nests produced fledglings and the main cause of nest failure was predation (88%). Nest survival increased with the vegetation cover around the nest and decreased with the date of the breeding season. We found no significant effect in nest survival of the activities related to ecotourism. The coverage around the nest could reduce their exposure by decreasing their detectability and hindering the access of predators, while the decrease in survival over the season could be the result of changes in the community of predators. The low nest survival associated with high rates of nest predation suggest that, in this study site, predator community could be being affected by human habitat alterations. © The Neotropical Ornithological Society.
publishDate 2012
dc.date.none.fl_str_mv 2012
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/20.500.12110/paper_10754377_v23_n4_p489_Segura
url http://hdl.handle.net/20.500.12110/paper_10754377_v23_n4_p489_Segura
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/2.5/ar
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by/2.5/ar
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv Ornitol. Neotrop. 2012;23(4):489-498
reponame:Biblioteca Digital (UBA-FCEN)
instname:Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron:UBA-FCEN
instname_str Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron_str UBA-FCEN
institution UBA-FCEN
reponame_str Biblioteca Digital (UBA-FCEN)
collection Biblioteca Digital (UBA-FCEN)
repository.name.fl_str_mv Biblioteca Digital (UBA-FCEN) - Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
repository.mail.fl_str_mv ana@bl.fcen.uba.ar
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