Increasing sediment accumulation rates in La Fonera (Palamós) submarine canyon axis and their relationship with bottom trawling activities

Autores
Puig, P.; Martín de Nascimento, Jacobo; Masqué, P.; Palanques, A.
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Previous studies conducted in La Fonera (Palamós) submarine canyon (NW Mediterranean) found that trawling activities along the canyon flanks cause resuspension and transport of sediments toward the canyon axis. 210Pb chronology supported by 137Cs dating applied to a sediment core collected at 1750 m in 2002 suggested a doubling of the sediment accumulation rate since the 1970s, coincident with the rapid industrialization of the local trawling fleet. The same canyon area has been revisited a decade later, and new data are consistent with a sedimentary regime shift during the 1970s and also suggest that the accumulation rate during the last decade could be greater than expected, approaching ~2.4 cm yr−1 (compared to ~0.25 cm yr−1 pre-1970s). These results support the hypothesis that commercial bottom trawling can substantially affect sediment dynamics and budgets on continental margins, eventually initiating the formation of anthropogenic depocenters in submarine canyon environments.
Fil: Puig, P.. Institut de Ciències del Mar; España
Fil: Martín de Nascimento, Jacobo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina. Universitat Autonoma de Barcelona; España
Fil: Masqué, P.. University of Western Australia; Australia. Universitat Autonoma de Barcelona; España. Edith Cowan University, School of Natural Sciences and Centre for Marine Ecosystems Research; Australia
Fil: Palanques, A.. Passeig Marítim de la Barceloneta, Institut de Ciències del Mar (CSIC); ; España
Materia
SUBMARINE CANYON
SEDIMENT ACCUMULATION RATES
CONTINENTAL MARGINS
BOTTOM TRAWLING
ANTHROPOGENIC IMPACTS
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:11336/8700
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Increasing sediment accumulation rates in La Fonera (Palamós) submarine canyon axis and their relationship with bottom trawling activitiesPuig, P.Martín de Nascimento, JacoboMasqué, P.Palanques, A.SUBMARINE CANYONSEDIMENT ACCUMULATION RATESCONTINENTAL MARGINSBOTTOM TRAWLINGANTHROPOGENIC IMPACTShttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1Previous studies conducted in La Fonera (Palamós) submarine canyon (NW Mediterranean) found that trawling activities along the canyon flanks cause resuspension and transport of sediments toward the canyon axis. 210Pb chronology supported by 137Cs dating applied to a sediment core collected at 1750 m in 2002 suggested a doubling of the sediment accumulation rate since the 1970s, coincident with the rapid industrialization of the local trawling fleet. The same canyon area has been revisited a decade later, and new data are consistent with a sedimentary regime shift during the 1970s and also suggest that the accumulation rate during the last decade could be greater than expected, approaching ~2.4 cm yr−1 (compared to ~0.25 cm yr−1 pre-1970s). These results support the hypothesis that commercial bottom trawling can substantially affect sediment dynamics and budgets on continental margins, eventually initiating the formation of anthropogenic depocenters in submarine canyon environments.Fil: Puig, P.. Institut de Ciències del Mar; EspañaFil: Martín de Nascimento, Jacobo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina. Universitat Autonoma de Barcelona; EspañaFil: Masqué, P.. University of Western Australia; Australia. Universitat Autonoma de Barcelona; España. Edith Cowan University, School of Natural Sciences and Centre for Marine Ecosystems Research; AustraliaFil: Palanques, A.. Passeig Marítim de la Barceloneta, Institut de Ciències del Mar (CSIC); ; EspañaAmerican Geophysical Union2015-10info: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/11336/8700Puig, P.; Martín de Nascimento, Jacobo; Masqué, P.; Palanques, A.; Increasing sediment accumulation rates in La Fonera (Palamós) submarine canyon axis and their relationship with bottom trawling activities; American Geophysical Union; Geophysical Research Letters; 42; 19; 10-2015; 8106-81130094-82761944-8007enginfo:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1002/2015GL065052/fullinfo:eu-repo/semantics/altIdentifier/doi/10.1002/2015GL065052info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:54:14Zoai:ri.conicet.gov.ar:11336/8700instacron: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 09:54:14.801CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Increasing sediment accumulation rates in La Fonera (Palamós) submarine canyon axis and their relationship with bottom trawling activities
title Increasing sediment accumulation rates in La Fonera (Palamós) submarine canyon axis and their relationship with bottom trawling activities
spellingShingle Increasing sediment accumulation rates in La Fonera (Palamós) submarine canyon axis and their relationship with bottom trawling activities
Puig, P.
SUBMARINE CANYON
SEDIMENT ACCUMULATION RATES
CONTINENTAL MARGINS
BOTTOM TRAWLING
ANTHROPOGENIC IMPACTS
title_short Increasing sediment accumulation rates in La Fonera (Palamós) submarine canyon axis and their relationship with bottom trawling activities
title_full Increasing sediment accumulation rates in La Fonera (Palamós) submarine canyon axis and their relationship with bottom trawling activities
title_fullStr Increasing sediment accumulation rates in La Fonera (Palamós) submarine canyon axis and their relationship with bottom trawling activities
title_full_unstemmed Increasing sediment accumulation rates in La Fonera (Palamós) submarine canyon axis and their relationship with bottom trawling activities
title_sort Increasing sediment accumulation rates in La Fonera (Palamós) submarine canyon axis and their relationship with bottom trawling activities
dc.creator.none.fl_str_mv Puig, P.
Martín de Nascimento, Jacobo
Masqué, P.
Palanques, A.
author Puig, P.
author_facet Puig, P.
Martín de Nascimento, Jacobo
Masqué, P.
Palanques, A.
author_role author
author2 Martín de Nascimento, Jacobo
Masqué, P.
Palanques, A.
author2_role author
author
author
dc.subject.none.fl_str_mv SUBMARINE CANYON
SEDIMENT ACCUMULATION RATES
CONTINENTAL MARGINS
BOTTOM TRAWLING
ANTHROPOGENIC IMPACTS
topic SUBMARINE CANYON
SEDIMENT ACCUMULATION RATES
CONTINENTAL MARGINS
BOTTOM TRAWLING
ANTHROPOGENIC IMPACTS
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Previous studies conducted in La Fonera (Palamós) submarine canyon (NW Mediterranean) found that trawling activities along the canyon flanks cause resuspension and transport of sediments toward the canyon axis. 210Pb chronology supported by 137Cs dating applied to a sediment core collected at 1750 m in 2002 suggested a doubling of the sediment accumulation rate since the 1970s, coincident with the rapid industrialization of the local trawling fleet. The same canyon area has been revisited a decade later, and new data are consistent with a sedimentary regime shift during the 1970s and also suggest that the accumulation rate during the last decade could be greater than expected, approaching ~2.4 cm yr−1 (compared to ~0.25 cm yr−1 pre-1970s). These results support the hypothesis that commercial bottom trawling can substantially affect sediment dynamics and budgets on continental margins, eventually initiating the formation of anthropogenic depocenters in submarine canyon environments.
Fil: Puig, P.. Institut de Ciències del Mar; España
Fil: Martín de Nascimento, Jacobo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina. Universitat Autonoma de Barcelona; España
Fil: Masqué, P.. University of Western Australia; Australia. Universitat Autonoma de Barcelona; España. Edith Cowan University, School of Natural Sciences and Centre for Marine Ecosystems Research; Australia
Fil: Palanques, A.. Passeig Marítim de la Barceloneta, Institut de Ciències del Mar (CSIC); ; España
description Previous studies conducted in La Fonera (Palamós) submarine canyon (NW Mediterranean) found that trawling activities along the canyon flanks cause resuspension and transport of sediments toward the canyon axis. 210Pb chronology supported by 137Cs dating applied to a sediment core collected at 1750 m in 2002 suggested a doubling of the sediment accumulation rate since the 1970s, coincident with the rapid industrialization of the local trawling fleet. The same canyon area has been revisited a decade later, and new data are consistent with a sedimentary regime shift during the 1970s and also suggest that the accumulation rate during the last decade could be greater than expected, approaching ~2.4 cm yr−1 (compared to ~0.25 cm yr−1 pre-1970s). These results support the hypothesis that commercial bottom trawling can substantially affect sediment dynamics and budgets on continental margins, eventually initiating the formation of anthropogenic depocenters in submarine canyon environments.
publishDate 2015
dc.date.none.fl_str_mv 2015-10
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/11336/8700
Puig, P.; Martín de Nascimento, Jacobo; Masqué, P.; Palanques, A.; Increasing sediment accumulation rates in La Fonera (Palamós) submarine canyon axis and their relationship with bottom trawling activities; American Geophysical Union; Geophysical Research Letters; 42; 19; 10-2015; 8106-8113
0094-8276
1944-8007
url http://hdl.handle.net/11336/8700
identifier_str_mv Puig, P.; Martín de Nascimento, Jacobo; Masqué, P.; Palanques, A.; Increasing sediment accumulation rates in La Fonera (Palamós) submarine canyon axis and their relationship with bottom trawling activities; American Geophysical Union; Geophysical Research Letters; 42; 19; 10-2015; 8106-8113
0094-8276
1944-8007
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1002/2015GL065052/full
info:eu-repo/semantics/altIdentifier/doi/10.1002/2015GL065052
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
dc.publisher.none.fl_str_mv American Geophysical Union
publisher.none.fl_str_mv American Geophysical Union
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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