Do penguins care about their neighborhood? Population implications of bioerosion in Magellanic penguin, Spheniscus magellanicus, at Martillo Island, Beagle Channel, Argentina

Autores
Scioscia, Gabriela; Harris, Sabrina; Schiavini, Adrian Carlos Miguel; Pütz, Klemens; Raya Rey, Andrea Nélida
Año de publicación
2024
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Intrinsic and extrinsic factors, such as bioerosion at nesting sites, regulate populationdynamics and are relevant for the long-term conservation of penguins. Colony trends(between 2004–2022) were studied in a Magellanic penguin colony on Martillo Island, Beagle Channel, Argentina and compared between zones with contrasting degrees of erosion(high, medium, low). Individuals from each zone were characterized for foraging ecology,stress, and reproductive performance during the 2017–2018 breeding season to betterunderstand the colony dynamics. Changes in nest abundance varied in magnitude betweennesting zones with different characteristics of occupation time, density and erosion.Declines in nest abundance in the densest, most eroded and longest occupied zone suggests that environmental degradation may be limiting the colony’s carrying capacity. Ahigher percentage of late breeders (probably younger breeders) occupied the less erodedand more recently occupied zone. Foraging, breeding and stress barely differed betweenzones. New individuals recruiting into the breeding colony select less-eroded zones, eitherto reduce competition for nests or to avoid other effects of erosion and high-density areas. Ifthis is the mechanism behind the shift in numbers throughout the island, we expect theisland to be progressively occupied to the west. If competition or other density dependentfactors are at play, a time will come when the vacant east side will begin to be recolonizedby younger individuals. However, if erosion or other long-term effects spread throughout theisland, recolonization may not occur and the colony may ultimately be abandoned as individuals search for new breeding grounds. Erosion at the breeding site may be a key factor inregional population trends of this burrow nesting species, by following an extinction / colonization of new sites process.
Fil: Scioscia, Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
Fil: Harris, Sabrina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
Fil: Schiavini, Adrian Carlos Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
Fil: Pütz, Klemens. No especifíca;
Fil: Raya Rey, Andrea Nélida. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
Materia
Magellanic penguin
Tierra del Fuego
Bioerosion
Beagle Channel
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:11336/256220
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/256220
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network_name_str CONICET Digital (CONICET)
spelling Do penguins care about their neighborhood? Population implications of bioerosion in Magellanic penguin, Spheniscus magellanicus, at Martillo Island, Beagle Channel, ArgentinaScioscia, GabrielaHarris, SabrinaSchiavini, Adrian Carlos MiguelPütz, KlemensRaya Rey, Andrea NélidaMagellanic penguinTierra del FuegoBioerosionBeagle Channelhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Intrinsic and extrinsic factors, such as bioerosion at nesting sites, regulate populationdynamics and are relevant for the long-term conservation of penguins. Colony trends(between 2004–2022) were studied in a Magellanic penguin colony on Martillo Island, Beagle Channel, Argentina and compared between zones with contrasting degrees of erosion(high, medium, low). Individuals from each zone were characterized for foraging ecology,stress, and reproductive performance during the 2017–2018 breeding season to betterunderstand the colony dynamics. Changes in nest abundance varied in magnitude betweennesting zones with different characteristics of occupation time, density and erosion.Declines in nest abundance in the densest, most eroded and longest occupied zone suggests that environmental degradation may be limiting the colony’s carrying capacity. Ahigher percentage of late breeders (probably younger breeders) occupied the less erodedand more recently occupied zone. Foraging, breeding and stress barely differed betweenzones. New individuals recruiting into the breeding colony select less-eroded zones, eitherto reduce competition for nests or to avoid other effects of erosion and high-density areas. Ifthis is the mechanism behind the shift in numbers throughout the island, we expect theisland to be progressively occupied to the west. If competition or other density dependentfactors are at play, a time will come when the vacant east side will begin to be recolonizedby younger individuals. However, if erosion or other long-term effects spread throughout theisland, recolonization may not occur and the colony may ultimately be abandoned as individuals search for new breeding grounds. Erosion at the breeding site may be a key factor inregional population trends of this burrow nesting species, by following an extinction / colonization of new sites process.Fil: Scioscia, Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; ArgentinaFil: Harris, Sabrina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; ArgentinaFil: Schiavini, Adrian Carlos Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; ArgentinaFil: Pütz, Klemens. No especifíca;Fil: Raya Rey, Andrea Nélida. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; ArgentinaPublic Library of Science2024-11info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/256220Scioscia, Gabriela; Harris, Sabrina; Schiavini, Adrian Carlos Miguel; Pütz, Klemens; Raya Rey, Andrea Nélida; Do penguins care about their neighborhood? Population implications of bioerosion in Magellanic penguin, Spheniscus magellanicus, at Martillo Island, Beagle Channel, Argentina; Public Library of Science; Plos One; 19; 11; 11-2024; 1-241932-6203CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://dx.plos.org/10.1371/journal.pone.0310052info:eu-repo/semantics/altIdentifier/doi/10.1371/journal.pone.0310052info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:49:53Zoai:ri.conicet.gov.ar:11336/256220instacron: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 09:49:54.655CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Do penguins care about their neighborhood? Population implications of bioerosion in Magellanic penguin, Spheniscus magellanicus, at Martillo Island, Beagle Channel, Argentina
title Do penguins care about their neighborhood? Population implications of bioerosion in Magellanic penguin, Spheniscus magellanicus, at Martillo Island, Beagle Channel, Argentina
spellingShingle Do penguins care about their neighborhood? Population implications of bioerosion in Magellanic penguin, Spheniscus magellanicus, at Martillo Island, Beagle Channel, Argentina
Scioscia, Gabriela
Magellanic penguin
Tierra del Fuego
Bioerosion
Beagle Channel
title_short Do penguins care about their neighborhood? Population implications of bioerosion in Magellanic penguin, Spheniscus magellanicus, at Martillo Island, Beagle Channel, Argentina
title_full Do penguins care about their neighborhood? Population implications of bioerosion in Magellanic penguin, Spheniscus magellanicus, at Martillo Island, Beagle Channel, Argentina
title_fullStr Do penguins care about their neighborhood? Population implications of bioerosion in Magellanic penguin, Spheniscus magellanicus, at Martillo Island, Beagle Channel, Argentina
title_full_unstemmed Do penguins care about their neighborhood? Population implications of bioerosion in Magellanic penguin, Spheniscus magellanicus, at Martillo Island, Beagle Channel, Argentina
title_sort Do penguins care about their neighborhood? Population implications of bioerosion in Magellanic penguin, Spheniscus magellanicus, at Martillo Island, Beagle Channel, Argentina
dc.creator.none.fl_str_mv Scioscia, Gabriela
Harris, Sabrina
Schiavini, Adrian Carlos Miguel
Pütz, Klemens
Raya Rey, Andrea Nélida
author Scioscia, Gabriela
author_facet Scioscia, Gabriela
Harris, Sabrina
Schiavini, Adrian Carlos Miguel
Pütz, Klemens
Raya Rey, Andrea Nélida
author_role author
author2 Harris, Sabrina
Schiavini, Adrian Carlos Miguel
Pütz, Klemens
Raya Rey, Andrea Nélida
author2_role author
author
author
author
dc.subject.none.fl_str_mv Magellanic penguin
Tierra del Fuego
Bioerosion
Beagle Channel
topic Magellanic penguin
Tierra del Fuego
Bioerosion
Beagle Channel
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Intrinsic and extrinsic factors, such as bioerosion at nesting sites, regulate populationdynamics and are relevant for the long-term conservation of penguins. Colony trends(between 2004–2022) were studied in a Magellanic penguin colony on Martillo Island, Beagle Channel, Argentina and compared between zones with contrasting degrees of erosion(high, medium, low). Individuals from each zone were characterized for foraging ecology,stress, and reproductive performance during the 2017–2018 breeding season to betterunderstand the colony dynamics. Changes in nest abundance varied in magnitude betweennesting zones with different characteristics of occupation time, density and erosion.Declines in nest abundance in the densest, most eroded and longest occupied zone suggests that environmental degradation may be limiting the colony’s carrying capacity. Ahigher percentage of late breeders (probably younger breeders) occupied the less erodedand more recently occupied zone. Foraging, breeding and stress barely differed betweenzones. New individuals recruiting into the breeding colony select less-eroded zones, eitherto reduce competition for nests or to avoid other effects of erosion and high-density areas. Ifthis is the mechanism behind the shift in numbers throughout the island, we expect theisland to be progressively occupied to the west. If competition or other density dependentfactors are at play, a time will come when the vacant east side will begin to be recolonizedby younger individuals. However, if erosion or other long-term effects spread throughout theisland, recolonization may not occur and the colony may ultimately be abandoned as individuals search for new breeding grounds. Erosion at the breeding site may be a key factor inregional population trends of this burrow nesting species, by following an extinction / colonization of new sites process.
Fil: Scioscia, Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
Fil: Harris, Sabrina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
Fil: Schiavini, Adrian Carlos Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
Fil: Pütz, Klemens. No especifíca;
Fil: Raya Rey, Andrea Nélida. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
description Intrinsic and extrinsic factors, such as bioerosion at nesting sites, regulate populationdynamics and are relevant for the long-term conservation of penguins. Colony trends(between 2004–2022) were studied in a Magellanic penguin colony on Martillo Island, Beagle Channel, Argentina and compared between zones with contrasting degrees of erosion(high, medium, low). Individuals from each zone were characterized for foraging ecology,stress, and reproductive performance during the 2017–2018 breeding season to betterunderstand the colony dynamics. Changes in nest abundance varied in magnitude betweennesting zones with different characteristics of occupation time, density and erosion.Declines in nest abundance in the densest, most eroded and longest occupied zone suggests that environmental degradation may be limiting the colony’s carrying capacity. Ahigher percentage of late breeders (probably younger breeders) occupied the less erodedand more recently occupied zone. Foraging, breeding and stress barely differed betweenzones. New individuals recruiting into the breeding colony select less-eroded zones, eitherto reduce competition for nests or to avoid other effects of erosion and high-density areas. Ifthis is the mechanism behind the shift in numbers throughout the island, we expect theisland to be progressively occupied to the west. If competition or other density dependentfactors are at play, a time will come when the vacant east side will begin to be recolonizedby younger individuals. However, if erosion or other long-term effects spread throughout theisland, recolonization may not occur and the colony may ultimately be abandoned as individuals search for new breeding grounds. Erosion at the breeding site may be a key factor inregional population trends of this burrow nesting species, by following an extinction / colonization of new sites process.
publishDate 2024
dc.date.none.fl_str_mv 2024-11
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/11336/256220
Scioscia, Gabriela; Harris, Sabrina; Schiavini, Adrian Carlos Miguel; Pütz, Klemens; Raya Rey, Andrea Nélida; Do penguins care about their neighborhood? Population implications of bioerosion in Magellanic penguin, Spheniscus magellanicus, at Martillo Island, Beagle Channel, Argentina; Public Library of Science; Plos One; 19; 11; 11-2024; 1-24
1932-6203
CONICET Digital
CONICET
url http://hdl.handle.net/11336/256220
identifier_str_mv Scioscia, Gabriela; Harris, Sabrina; Schiavini, Adrian Carlos Miguel; Pütz, Klemens; Raya Rey, Andrea Nélida; Do penguins care about their neighborhood? Population implications of bioerosion in Magellanic penguin, Spheniscus magellanicus, at Martillo Island, Beagle Channel, Argentina; Public Library of Science; Plos One; 19; 11; 11-2024; 1-24
1932-6203
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://dx.plos.org/10.1371/journal.pone.0310052
info:eu-repo/semantics/altIdentifier/doi/10.1371/journal.pone.0310052
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
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Public Library of Science
publisher.none.fl_str_mv Public Library of Science
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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