Availability and use of breeding habitat by the Red-legged Cormorant (Phalacrocorax gaimardi): Evidence for habitat selection

Autores
Millones, Ana; Frere, Esteban; Gandini, Patricia Alejandra
Año de publicación
2010
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We studied the availability and use of breeding habitat by Red-legged Cormorants (Phalacrocorax gaimardi) to identify the factors involved in habitat selection. The species nests on cliff-faces. We identified cliffs suitable for nesting along 21km of coastline of the Ra Deseado, and recorded the characteristics of each, including the distance to the nearest potential foraging area. Previous research had indicated that zones of the river with a gravel substrate and 10m deep were preferred foraging areas for this species. Of the 16 cliffs identified as potential breeding sites, eight were used by Red-legged Cormorants for nesting. The probability of occurrence of active nests increased with the height and slope of cliffs and decreased with the distance to the nearest foraging area. Significant differences were observed between characteristics of cliffs that were used for breeding and those of available habitat in the environment. Cliffs higher than 12m, steeper than 85 and within 3km of a foraging area were the most frequently used but were not the most common in the environment. Factors that influence habitat selection by Red-legged Cormorants appear to be protection from predators and proximity to an abundant source of food. In this study, we also showed a non-random use of foraging sites. This species prefers zones with shallow water and gravel substrates.
Fil: Millones, Ana. Universidad Nacional de la Patagonia Austral. Unidad Académica Caleta Olivia. Centro de Investigaciones Puerto Deseado; Argentina
Fil: Frere, Esteban. Universidad Nacional de la Patagonia Austral. Unidad Académica Caleta Olivia. Centro de Investigaciones Puerto Deseado; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Wildlife Conservation Society; Estados Unidos
Fil: Gandini, Patricia Alejandra. Wildlife Conservation Society; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de la Patagonia Austral. Unidad Académica Caleta Olivia. Centro de Investigaciones Puerto Deseado; Argentina
Materia
Red Legged Cormorant
Habitat selection
Breeding habitat
Patagonia
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/99392
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Availability and use of breeding habitat by the Red-legged Cormorant (Phalacrocorax gaimardi): Evidence for habitat selectionMillones, AnaFrere, EstebanGandini, Patricia AlejandraRed Legged CormorantHabitat selectionBreeding habitatPatagoniahttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1We studied the availability and use of breeding habitat by Red-legged Cormorants (Phalacrocorax gaimardi) to identify the factors involved in habitat selection. The species nests on cliff-faces. We identified cliffs suitable for nesting along 21km of coastline of the Ra Deseado, and recorded the characteristics of each, including the distance to the nearest potential foraging area. Previous research had indicated that zones of the river with a gravel substrate and 10m deep were preferred foraging areas for this species. Of the 16 cliffs identified as potential breeding sites, eight were used by Red-legged Cormorants for nesting. The probability of occurrence of active nests increased with the height and slope of cliffs and decreased with the distance to the nearest foraging area. Significant differences were observed between characteristics of cliffs that were used for breeding and those of available habitat in the environment. Cliffs higher than 12m, steeper than 85 and within 3km of a foraging area were the most frequently used but were not the most common in the environment. Factors that influence habitat selection by Red-legged Cormorants appear to be protection from predators and proximity to an abundant source of food. In this study, we also showed a non-random use of foraging sites. This species prefers zones with shallow water and gravel substrates.Fil: Millones, Ana. Universidad Nacional de la Patagonia Austral. Unidad Académica Caleta Olivia. Centro de Investigaciones Puerto Deseado; ArgentinaFil: Frere, Esteban. Universidad Nacional de la Patagonia Austral. Unidad Académica Caleta Olivia. Centro de Investigaciones Puerto Deseado; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Wildlife Conservation Society; Estados UnidosFil: Gandini, Patricia Alejandra. Wildlife Conservation Society; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de la Patagonia Austral. Unidad Académica Caleta Olivia. Centro de Investigaciones Puerto Deseado; ArgentinaTaylor & Francis2010-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/99392Millones, Ana; Frere, Esteban; Gandini, Patricia Alejandra; Availability and use of breeding habitat by the Red-legged Cormorant (Phalacrocorax gaimardi): Evidence for habitat selection; Taylor & Francis; Emu; 110; 2; 4-2010; 155-1590158-4197CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1071/MU09099info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/abs/10.1071/MU09099info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:05:22Zoai:ri.conicet.gov.ar:11336/99392instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 10:05:23.165CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Availability and use of breeding habitat by the Red-legged Cormorant (Phalacrocorax gaimardi): Evidence for habitat selection
title Availability and use of breeding habitat by the Red-legged Cormorant (Phalacrocorax gaimardi): Evidence for habitat selection
spellingShingle Availability and use of breeding habitat by the Red-legged Cormorant (Phalacrocorax gaimardi): Evidence for habitat selection
Millones, Ana
Red Legged Cormorant
Habitat selection
Breeding habitat
Patagonia
title_short Availability and use of breeding habitat by the Red-legged Cormorant (Phalacrocorax gaimardi): Evidence for habitat selection
title_full Availability and use of breeding habitat by the Red-legged Cormorant (Phalacrocorax gaimardi): Evidence for habitat selection
title_fullStr Availability and use of breeding habitat by the Red-legged Cormorant (Phalacrocorax gaimardi): Evidence for habitat selection
title_full_unstemmed Availability and use of breeding habitat by the Red-legged Cormorant (Phalacrocorax gaimardi): Evidence for habitat selection
title_sort Availability and use of breeding habitat by the Red-legged Cormorant (Phalacrocorax gaimardi): Evidence for habitat selection
dc.creator.none.fl_str_mv Millones, Ana
Frere, Esteban
Gandini, Patricia Alejandra
author Millones, Ana
author_facet Millones, Ana
Frere, Esteban
Gandini, Patricia Alejandra
author_role author
author2 Frere, Esteban
Gandini, Patricia Alejandra
author2_role author
author
dc.subject.none.fl_str_mv Red Legged Cormorant
Habitat selection
Breeding habitat
Patagonia
topic Red Legged Cormorant
Habitat selection
Breeding habitat
Patagonia
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We studied the availability and use of breeding habitat by Red-legged Cormorants (Phalacrocorax gaimardi) to identify the factors involved in habitat selection. The species nests on cliff-faces. We identified cliffs suitable for nesting along 21km of coastline of the Ra Deseado, and recorded the characteristics of each, including the distance to the nearest potential foraging area. Previous research had indicated that zones of the river with a gravel substrate and 10m deep were preferred foraging areas for this species. Of the 16 cliffs identified as potential breeding sites, eight were used by Red-legged Cormorants for nesting. The probability of occurrence of active nests increased with the height and slope of cliffs and decreased with the distance to the nearest foraging area. Significant differences were observed between characteristics of cliffs that were used for breeding and those of available habitat in the environment. Cliffs higher than 12m, steeper than 85 and within 3km of a foraging area were the most frequently used but were not the most common in the environment. Factors that influence habitat selection by Red-legged Cormorants appear to be protection from predators and proximity to an abundant source of food. In this study, we also showed a non-random use of foraging sites. This species prefers zones with shallow water and gravel substrates.
Fil: Millones, Ana. Universidad Nacional de la Patagonia Austral. Unidad Académica Caleta Olivia. Centro de Investigaciones Puerto Deseado; Argentina
Fil: Frere, Esteban. Universidad Nacional de la Patagonia Austral. Unidad Académica Caleta Olivia. Centro de Investigaciones Puerto Deseado; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Wildlife Conservation Society; Estados Unidos
Fil: Gandini, Patricia Alejandra. Wildlife Conservation Society; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de la Patagonia Austral. Unidad Académica Caleta Olivia. Centro de Investigaciones Puerto Deseado; Argentina
description We studied the availability and use of breeding habitat by Red-legged Cormorants (Phalacrocorax gaimardi) to identify the factors involved in habitat selection. The species nests on cliff-faces. We identified cliffs suitable for nesting along 21km of coastline of the Ra Deseado, and recorded the characteristics of each, including the distance to the nearest potential foraging area. Previous research had indicated that zones of the river with a gravel substrate and 10m deep were preferred foraging areas for this species. Of the 16 cliffs identified as potential breeding sites, eight were used by Red-legged Cormorants for nesting. The probability of occurrence of active nests increased with the height and slope of cliffs and decreased with the distance to the nearest foraging area. Significant differences were observed between characteristics of cliffs that were used for breeding and those of available habitat in the environment. Cliffs higher than 12m, steeper than 85 and within 3km of a foraging area were the most frequently used but were not the most common in the environment. Factors that influence habitat selection by Red-legged Cormorants appear to be protection from predators and proximity to an abundant source of food. In this study, we also showed a non-random use of foraging sites. This species prefers zones with shallow water and gravel substrates.
publishDate 2010
dc.date.none.fl_str_mv 2010-04
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/11336/99392
Millones, Ana; Frere, Esteban; Gandini, Patricia Alejandra; Availability and use of breeding habitat by the Red-legged Cormorant (Phalacrocorax gaimardi): Evidence for habitat selection; Taylor & Francis; Emu; 110; 2; 4-2010; 155-159
0158-4197
CONICET Digital
CONICET
url http://hdl.handle.net/11336/99392
identifier_str_mv Millones, Ana; Frere, Esteban; Gandini, Patricia Alejandra; Availability and use of breeding habitat by the Red-legged Cormorant (Phalacrocorax gaimardi): Evidence for habitat selection; Taylor & Francis; Emu; 110; 2; 4-2010; 155-159
0158-4197
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1071/MU09099
info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/abs/10.1071/MU09099
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Taylor & Francis
publisher.none.fl_str_mv Taylor & Francis
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.13397

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