Exotic lagomorph may influence eagle abundances and breeding spatial aggregations: A field study and meta- analysis on the nearest neighbor distance
- Autores
- Barbar, Facundo; Ignazi, Gonzalo Oscar; Hiraldo, Fernando; Lambertucci, Sergio Agustin
- Año de publicación
- 2018
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The introduction of alien species could be changing food source composition, ultimately restructuring demography and spatial distribution of native communities. In Argentine Patagonia, the exotic European hare has one of the highest numbers recorded worldwide and is now a widely consumed prey for many predators. We examine the potential relationship between abundance of this relatively new prey and the abundance and breeding spacing of one of its main consumers, the Black-chested Buzzard-Eagle (Geranoaetus melanoleucus). First we analyze the abundance of individuals of a raptor guild in relation to hare abundance through a correspondence analysis. We then estimated the Nearest Neighbor Distance (NND) of the Black-chested Buzzard-eagle abundances in the two areas with high hare abundances. Finally, we performed a metaregression between the NND and the body masses of Accipitridae raptors, to evaluate if Black-chested Buzzard-eagle NND deviates from the expected according to their mass. We found that eagle abundance was highly associated with hare abundance, more than with any other raptor species in the study area. Their NND deviates from the value expected, which was significantly lower than expected for a raptor species of this size in two areas with high hare abundance. Our results support the hypothesis that high local abundance of prey leads to a reduction of the breeding spacing of its main predator, which could potentially alter other interspecific interactions, and thus the entire community.
Fil: Barbar, Facundo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Ignazi, Gonzalo Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Hiraldo, Fernando. Consejo Superior de Investigaciones Científicas. Estación Biológica de Doñana; España
Fil: Lambertucci, Sergio Agustin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina - Materia
-
EXOTIC PREY
GERANOAETUS MELANOLEUCUS
LEPUS EUROPAEUS
NEAREST NEIGHBOR DISTANCE
RESOURCE AVAILABILITY - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/93345
Ver los metadatos del registro completo
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oai:ri.conicet.gov.ar:11336/93345 |
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3498 |
network_name_str |
CONICET Digital (CONICET) |
spelling |
Exotic lagomorph may influence eagle abundances and breeding spatial aggregations: A field study and meta- analysis on the nearest neighbor distanceBarbar, FacundoIgnazi, Gonzalo OscarHiraldo, FernandoLambertucci, Sergio AgustinEXOTIC PREYGERANOAETUS MELANOLEUCUSLEPUS EUROPAEUSNEAREST NEIGHBOR DISTANCERESOURCE AVAILABILITYhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The introduction of alien species could be changing food source composition, ultimately restructuring demography and spatial distribution of native communities. In Argentine Patagonia, the exotic European hare has one of the highest numbers recorded worldwide and is now a widely consumed prey for many predators. We examine the potential relationship between abundance of this relatively new prey and the abundance and breeding spacing of one of its main consumers, the Black-chested Buzzard-Eagle (Geranoaetus melanoleucus). First we analyze the abundance of individuals of a raptor guild in relation to hare abundance through a correspondence analysis. We then estimated the Nearest Neighbor Distance (NND) of the Black-chested Buzzard-eagle abundances in the two areas with high hare abundances. Finally, we performed a metaregression between the NND and the body masses of Accipitridae raptors, to evaluate if Black-chested Buzzard-eagle NND deviates from the expected according to their mass. We found that eagle abundance was highly associated with hare abundance, more than with any other raptor species in the study area. Their NND deviates from the value expected, which was significantly lower than expected for a raptor species of this size in two areas with high hare abundance. Our results support the hypothesis that high local abundance of prey leads to a reduction of the breeding spacing of its main predator, which could potentially alter other interspecific interactions, and thus the entire community.Fil: Barbar, Facundo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaFil: Ignazi, Gonzalo Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaFil: Hiraldo, Fernando. Consejo Superior de Investigaciones Científicas. Estación Biológica de Doñana; EspañaFil: Lambertucci, Sergio Agustin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaPeerJ2018-05-10info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/93345Barbar, Facundo; Ignazi, Gonzalo Oscar; Hiraldo, Fernando; Lambertucci, Sergio Agustin; Exotic lagomorph may influence eagle abundances and breeding spatial aggregations: A field study and meta- analysis on the nearest neighbor distance; PeerJ; PeerJ; 2018; 10-5-2018; 1-172167-8359CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://peerj.com/articles/4746/info:eu-repo/semantics/altIdentifier/doi/10.7717/peerj.4746info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:14:13Zoai:ri.conicet.gov.ar:11336/93345instacron: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:34982025-09-29 10:14:13.907CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Exotic lagomorph may influence eagle abundances and breeding spatial aggregations: A field study and meta- analysis on the nearest neighbor distance |
title |
Exotic lagomorph may influence eagle abundances and breeding spatial aggregations: A field study and meta- analysis on the nearest neighbor distance |
spellingShingle |
Exotic lagomorph may influence eagle abundances and breeding spatial aggregations: A field study and meta- analysis on the nearest neighbor distance Barbar, Facundo EXOTIC PREY GERANOAETUS MELANOLEUCUS LEPUS EUROPAEUS NEAREST NEIGHBOR DISTANCE RESOURCE AVAILABILITY |
title_short |
Exotic lagomorph may influence eagle abundances and breeding spatial aggregations: A field study and meta- analysis on the nearest neighbor distance |
title_full |
Exotic lagomorph may influence eagle abundances and breeding spatial aggregations: A field study and meta- analysis on the nearest neighbor distance |
title_fullStr |
Exotic lagomorph may influence eagle abundances and breeding spatial aggregations: A field study and meta- analysis on the nearest neighbor distance |
title_full_unstemmed |
Exotic lagomorph may influence eagle abundances and breeding spatial aggregations: A field study and meta- analysis on the nearest neighbor distance |
title_sort |
Exotic lagomorph may influence eagle abundances and breeding spatial aggregations: A field study and meta- analysis on the nearest neighbor distance |
dc.creator.none.fl_str_mv |
Barbar, Facundo Ignazi, Gonzalo Oscar Hiraldo, Fernando Lambertucci, Sergio Agustin |
author |
Barbar, Facundo |
author_facet |
Barbar, Facundo Ignazi, Gonzalo Oscar Hiraldo, Fernando Lambertucci, Sergio Agustin |
author_role |
author |
author2 |
Ignazi, Gonzalo Oscar Hiraldo, Fernando Lambertucci, Sergio Agustin |
author2_role |
author author author |
dc.subject.none.fl_str_mv |
EXOTIC PREY GERANOAETUS MELANOLEUCUS LEPUS EUROPAEUS NEAREST NEIGHBOR DISTANCE RESOURCE AVAILABILITY |
topic |
EXOTIC PREY GERANOAETUS MELANOLEUCUS LEPUS EUROPAEUS NEAREST NEIGHBOR DISTANCE RESOURCE AVAILABILITY |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
The introduction of alien species could be changing food source composition, ultimately restructuring demography and spatial distribution of native communities. In Argentine Patagonia, the exotic European hare has one of the highest numbers recorded worldwide and is now a widely consumed prey for many predators. We examine the potential relationship between abundance of this relatively new prey and the abundance and breeding spacing of one of its main consumers, the Black-chested Buzzard-Eagle (Geranoaetus melanoleucus). First we analyze the abundance of individuals of a raptor guild in relation to hare abundance through a correspondence analysis. We then estimated the Nearest Neighbor Distance (NND) of the Black-chested Buzzard-eagle abundances in the two areas with high hare abundances. Finally, we performed a metaregression between the NND and the body masses of Accipitridae raptors, to evaluate if Black-chested Buzzard-eagle NND deviates from the expected according to their mass. We found that eagle abundance was highly associated with hare abundance, more than with any other raptor species in the study area. Their NND deviates from the value expected, which was significantly lower than expected for a raptor species of this size in two areas with high hare abundance. Our results support the hypothesis that high local abundance of prey leads to a reduction of the breeding spacing of its main predator, which could potentially alter other interspecific interactions, and thus the entire community. Fil: Barbar, Facundo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina Fil: Ignazi, Gonzalo Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina Fil: Hiraldo, Fernando. Consejo Superior de Investigaciones Científicas. Estación Biológica de Doñana; España Fil: Lambertucci, Sergio Agustin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina |
description |
The introduction of alien species could be changing food source composition, ultimately restructuring demography and spatial distribution of native communities. In Argentine Patagonia, the exotic European hare has one of the highest numbers recorded worldwide and is now a widely consumed prey for many predators. We examine the potential relationship between abundance of this relatively new prey and the abundance and breeding spacing of one of its main consumers, the Black-chested Buzzard-Eagle (Geranoaetus melanoleucus). First we analyze the abundance of individuals of a raptor guild in relation to hare abundance through a correspondence analysis. We then estimated the Nearest Neighbor Distance (NND) of the Black-chested Buzzard-eagle abundances in the two areas with high hare abundances. Finally, we performed a metaregression between the NND and the body masses of Accipitridae raptors, to evaluate if Black-chested Buzzard-eagle NND deviates from the expected according to their mass. We found that eagle abundance was highly associated with hare abundance, more than with any other raptor species in the study area. Their NND deviates from the value expected, which was significantly lower than expected for a raptor species of this size in two areas with high hare abundance. Our results support the hypothesis that high local abundance of prey leads to a reduction of the breeding spacing of its main predator, which could potentially alter other interspecific interactions, and thus the entire community. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-05-10 |
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/11336/93345 Barbar, Facundo; Ignazi, Gonzalo Oscar; Hiraldo, Fernando; Lambertucci, Sergio Agustin; Exotic lagomorph may influence eagle abundances and breeding spatial aggregations: A field study and meta- analysis on the nearest neighbor distance; PeerJ; PeerJ; 2018; 10-5-2018; 1-17 2167-8359 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/93345 |
identifier_str_mv |
Barbar, Facundo; Ignazi, Gonzalo Oscar; Hiraldo, Fernando; Lambertucci, Sergio Agustin; Exotic lagomorph may influence eagle abundances and breeding spatial aggregations: A field study and meta- analysis on the nearest neighbor distance; PeerJ; PeerJ; 2018; 10-5-2018; 1-17 2167-8359 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://peerj.com/articles/4746/ info:eu-repo/semantics/altIdentifier/doi/10.7717/peerj.4746 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
PeerJ |
publisher.none.fl_str_mv |
PeerJ |
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) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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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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13.070432 |