Diving behaviour of the critically endangered tope shark Galeorhinus galeus in the Natural Reserve of Bahia San Blas, northern Patagonia

Autores
Cuevas, Juan Martín; Garcia, Mirta Lidia; Di Giacomo, Edgardo Ernesto
Año de publicación
2014
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Background:Tope sharks (Galeorhinus galeus) aggregate in large numbers during spring and summer in closedgulfs and bays in northern Patagonia; these locations are considered the main nursery areas for the species.However, little is known about the spatial ecology or diel behaviour of this critically endangered species. The aimwas to evaluate the short-term diving behaviour and habitat preferences of tope sharks using electronic tagging.Findings:Five female tope sharks, four adult and one sub-adult, were tagged with pop-up satellite archival tags inthe Natural Reserve of Bahía San Blas, northern Patagonia, during spring 2011 and 2012. High-resolution archiveddata were collected for 40 days, including 29 days for two recovered tags. Sharks travelled up to 51.2 km after release.Archived data indicated that female tope sharks preferred to remain within 24.5 m of the surface and that there wereno diel changes in preference. Individuals spent most of the time within 10 m of the surface during the day (80%) andat night (83%), and were primarily in water between 17°C and 19°C (day, 75%; night, 70%). Moreover, tope sharksexhibited vertical oscillatory movement (‘yo-yo diving’). Maximum vertical speeds and dive depths were recordedat night. Ascents from depth had a greater speed than descents, overall.Conclusions:Female tope sharks were found in shallow coastal areas during November at Bahía San Blas, near thesurface at relatively restricted depths and temperatures. Longer tracking periods will be important for describingthe species’migratory movements across the south-west Atlantic.
Fil: Cuevas, Juan Martín. Universidad Nacional de la Matanza. Instituto de Medio Ambiente; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina
Fil: Garcia, Mirta Lidia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina
Fil: Di Giacomo, Edgardo Ernesto. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina
Materia
Argentina
Marine protected areas
Pop-up satellite archival transmitter
yo-yo diving
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:11336/32651
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/32651
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Diving behaviour of the critically endangered tope shark Galeorhinus galeus in the Natural Reserve of Bahia San Blas, northern PatagoniaCuevas, Juan MartínGarcia, Mirta LidiaDi Giacomo, Edgardo ErnestoArgentinaMarine protected areasPop-up satellite archival transmitteryo-yo divinghttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Background:Tope sharks (Galeorhinus galeus) aggregate in large numbers during spring and summer in closedgulfs and bays in northern Patagonia; these locations are considered the main nursery areas for the species.However, little is known about the spatial ecology or diel behaviour of this critically endangered species. The aimwas to evaluate the short-term diving behaviour and habitat preferences of tope sharks using electronic tagging.Findings:Five female tope sharks, four adult and one sub-adult, were tagged with pop-up satellite archival tags inthe Natural Reserve of Bahía San Blas, northern Patagonia, during spring 2011 and 2012. High-resolution archiveddata were collected for 40 days, including 29 days for two recovered tags. Sharks travelled up to 51.2 km after release.Archived data indicated that female tope sharks preferred to remain within 24.5 m of the surface and that there wereno diel changes in preference. Individuals spent most of the time within 10 m of the surface during the day (80%) andat night (83%), and were primarily in water between 17°C and 19°C (day, 75%; night, 70%). Moreover, tope sharksexhibited vertical oscillatory movement (‘yo-yo diving’). Maximum vertical speeds and dive depths were recordedat night. Ascents from depth had a greater speed than descents, overall.Conclusions:Female tope sharks were found in shallow coastal areas during November at Bahía San Blas, near thesurface at relatively restricted depths and temperatures. Longer tracking periods will be important for describingthe species’migratory movements across the south-west Atlantic.Fil: Cuevas, Juan Martín. Universidad Nacional de la Matanza. Instituto de Medio Ambiente; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; ArgentinaFil: Garcia, Mirta Lidia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; ArgentinaFil: Di Giacomo, Edgardo Ernesto. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; ArgentinaBioMed Central2014-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/32651Di Giacomo, Edgardo Ernesto; Cuevas, Juan Martín; Garcia, Mirta Lidia; Diving behaviour of the critically endangered tope shark Galeorhinus galeus in the Natural Reserve of Bahia San Blas, northern Patagonia; BioMed Central; Animal Biotelemetry; 2; 11; 7-2014; 1-62050-3385CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1186/2050-3385-2-11info:eu-repo/semantics/altIdentifier/url/https://animalbiotelemetry.biomedcentral.com/articles/10.1186/2050-3385-2-11info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T15:18:32Zoai:ri.conicet.gov.ar:11336/32651instacron: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:34982025-10-15 15:18:32.317CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Diving behaviour of the critically endangered tope shark Galeorhinus galeus in the Natural Reserve of Bahia San Blas, northern Patagonia
title Diving behaviour of the critically endangered tope shark Galeorhinus galeus in the Natural Reserve of Bahia San Blas, northern Patagonia
spellingShingle Diving behaviour of the critically endangered tope shark Galeorhinus galeus in the Natural Reserve of Bahia San Blas, northern Patagonia
Cuevas, Juan Martín
Argentina
Marine protected areas
Pop-up satellite archival transmitter
yo-yo diving
title_short Diving behaviour of the critically endangered tope shark Galeorhinus galeus in the Natural Reserve of Bahia San Blas, northern Patagonia
title_full Diving behaviour of the critically endangered tope shark Galeorhinus galeus in the Natural Reserve of Bahia San Blas, northern Patagonia
title_fullStr Diving behaviour of the critically endangered tope shark Galeorhinus galeus in the Natural Reserve of Bahia San Blas, northern Patagonia
title_full_unstemmed Diving behaviour of the critically endangered tope shark Galeorhinus galeus in the Natural Reserve of Bahia San Blas, northern Patagonia
title_sort Diving behaviour of the critically endangered tope shark Galeorhinus galeus in the Natural Reserve of Bahia San Blas, northern Patagonia
dc.creator.none.fl_str_mv Cuevas, Juan Martín
Garcia, Mirta Lidia
Di Giacomo, Edgardo Ernesto
author Cuevas, Juan Martín
author_facet Cuevas, Juan Martín
Garcia, Mirta Lidia
Di Giacomo, Edgardo Ernesto
author_role author
author2 Garcia, Mirta Lidia
Di Giacomo, Edgardo Ernesto
author2_role author
author
dc.subject.none.fl_str_mv Argentina
Marine protected areas
Pop-up satellite archival transmitter
yo-yo diving
topic Argentina
Marine protected areas
Pop-up satellite archival transmitter
yo-yo diving
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Background:Tope sharks (Galeorhinus galeus) aggregate in large numbers during spring and summer in closedgulfs and bays in northern Patagonia; these locations are considered the main nursery areas for the species.However, little is known about the spatial ecology or diel behaviour of this critically endangered species. The aimwas to evaluate the short-term diving behaviour and habitat preferences of tope sharks using electronic tagging.Findings:Five female tope sharks, four adult and one sub-adult, were tagged with pop-up satellite archival tags inthe Natural Reserve of Bahía San Blas, northern Patagonia, during spring 2011 and 2012. High-resolution archiveddata were collected for 40 days, including 29 days for two recovered tags. Sharks travelled up to 51.2 km after release.Archived data indicated that female tope sharks preferred to remain within 24.5 m of the surface and that there wereno diel changes in preference. Individuals spent most of the time within 10 m of the surface during the day (80%) andat night (83%), and were primarily in water between 17°C and 19°C (day, 75%; night, 70%). Moreover, tope sharksexhibited vertical oscillatory movement (‘yo-yo diving’). Maximum vertical speeds and dive depths were recordedat night. Ascents from depth had a greater speed than descents, overall.Conclusions:Female tope sharks were found in shallow coastal areas during November at Bahía San Blas, near thesurface at relatively restricted depths and temperatures. Longer tracking periods will be important for describingthe species’migratory movements across the south-west Atlantic.
Fil: Cuevas, Juan Martín. Universidad Nacional de la Matanza. Instituto de Medio Ambiente; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina
Fil: Garcia, Mirta Lidia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina
Fil: Di Giacomo, Edgardo Ernesto. Universidad Nacional del Comahue. Instituto de Biología Marina y Pesquera Almirante Storni; Argentina
description Background:Tope sharks (Galeorhinus galeus) aggregate in large numbers during spring and summer in closedgulfs and bays in northern Patagonia; these locations are considered the main nursery areas for the species.However, little is known about the spatial ecology or diel behaviour of this critically endangered species. The aimwas to evaluate the short-term diving behaviour and habitat preferences of tope sharks using electronic tagging.Findings:Five female tope sharks, four adult and one sub-adult, were tagged with pop-up satellite archival tags inthe Natural Reserve of Bahía San Blas, northern Patagonia, during spring 2011 and 2012. High-resolution archiveddata were collected for 40 days, including 29 days for two recovered tags. Sharks travelled up to 51.2 km after release.Archived data indicated that female tope sharks preferred to remain within 24.5 m of the surface and that there wereno diel changes in preference. Individuals spent most of the time within 10 m of the surface during the day (80%) andat night (83%), and were primarily in water between 17°C and 19°C (day, 75%; night, 70%). Moreover, tope sharksexhibited vertical oscillatory movement (‘yo-yo diving’). Maximum vertical speeds and dive depths were recordedat night. Ascents from depth had a greater speed than descents, overall.Conclusions:Female tope sharks were found in shallow coastal areas during November at Bahía San Blas, near thesurface at relatively restricted depths and temperatures. Longer tracking periods will be important for describingthe species’migratory movements across the south-west Atlantic.
publishDate 2014
dc.date.none.fl_str_mv 2014-07
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/11336/32651
Di Giacomo, Edgardo Ernesto; Cuevas, Juan Martín; Garcia, Mirta Lidia; Diving behaviour of the critically endangered tope shark Galeorhinus galeus in the Natural Reserve of Bahia San Blas, northern Patagonia; BioMed Central; Animal Biotelemetry; 2; 11; 7-2014; 1-6
2050-3385
CONICET Digital
CONICET
url http://hdl.handle.net/11336/32651
identifier_str_mv Di Giacomo, Edgardo Ernesto; Cuevas, Juan Martín; Garcia, Mirta Lidia; Diving behaviour of the critically endangered tope shark Galeorhinus galeus in the Natural Reserve of Bahia San Blas, northern Patagonia; BioMed Central; Animal Biotelemetry; 2; 11; 7-2014; 1-6
2050-3385
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1186/2050-3385-2-11
info:eu-repo/semantics/altIdentifier/url/https://animalbiotelemetry.biomedcentral.com/articles/10.1186/2050-3385-2-11
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 BioMed Central
publisher.none.fl_str_mv BioMed Central
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 13.22299

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