Distribution of coccoliths in surface sediments from the southwest Atlantic Ocean in relation to environmental gradients

Autores
Rivas, Lucia; Alperin, Marta Ines; Perez Panera, Juan Pablo; Cusminsky, Gabriela Catalina
Año de publicación
2024
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Coccolith compositions of surface sediment samples from the Southwestern AtlanticOcean were analysed in relation with present-day surface-water environmental parameters(temperature, salinity, phosphate, and nitrate). This work is based on surface sedimentdata sets obtained from the Argentinean Continental Margin (40 – 55°S and 55 – 65°W).A multivariate ordination technique, Redundancy Analysis, was applied on the relativeabundances of the most abundant taxa (Emiliania huxleyi, Gephyrocapsa muellerae,Calcidiscus leptoporus and Gephyrocapsa spp. small). The results of the analysis revealedthe affinities of G. muellerae and Gephyrocapsa spp. small for high nutrient conditions. Incontrast, E. huxleyi and C. leptoporus seem to be associated with high salinity and hightemperature. Statistical analysis results revealed three Groups (I–III), nutrient contentcontrolled. Group I lies within northern sites, is dominated by E. huxleyi and has a positivecorrelation with salinity and temperature. Conversely, Group II, located in SloggettCanyon, is dominated by E. huxleyi and is not correlated to any environmental variables.Group III, is composed by E. huxleyi and G. muellerae, is geographically confined to thesoutheast area and has a positive correlation with phosphate and nitrate. There wouldbe a moderate association of certain groups of coccolithophores (as Gephyrocapsa spp.)with nutrient-rich waters from the Malvinas Current, and Emiliania huxleyi strains moreassociated with relatively low nutrient content of waters from the northernmost part ofArgentinean Continental Margin.
Fil: Rivas, Lucia. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Alperin, Marta Ines. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina
Fil: Perez Panera, Juan Pablo. YPF - Tecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
Fil: Cusminsky, Gabriela Catalina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Patagonia Norte. Instituto de Investigaciones En Biodiversidad y Medioambiente. Subsede Junín de Los Andes-inibioma-centro de Ecología Aplicada del Neuquén (cean) | Universidad Nacional del Comahue. Centro Regional Universitario Bariloche. Instituto de Investigaciones En Biodiversidad y Medioambiente. Subsede Junín de Los Andes-inibioma-centro de Ecología Aplicada del Neuquén (cean).; Argentina
Materia
NANNOPLANKTON
SURFACE SEDIMENTS
ASSEMBLAGE DISTRIBUTION
COMPOSITIONAL DATA
REDUNDANCY ANALYSIS
SOUTHWEST ATLANTIC OCEAN
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/236411
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/236411
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Distribution of coccoliths in surface sediments from the southwest Atlantic Ocean in relation to environmental gradientsRivas, LuciaAlperin, Marta InesPerez Panera, Juan PabloCusminsky, Gabriela CatalinaNANNOPLANKTONSURFACE SEDIMENTSASSEMBLAGE DISTRIBUTIONCOMPOSITIONAL DATAREDUNDANCY ANALYSISSOUTHWEST ATLANTIC OCEANhttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1Coccolith compositions of surface sediment samples from the Southwestern AtlanticOcean were analysed in relation with present-day surface-water environmental parameters(temperature, salinity, phosphate, and nitrate). This work is based on surface sedimentdata sets obtained from the Argentinean Continental Margin (40 – 55°S and 55 – 65°W).A multivariate ordination technique, Redundancy Analysis, was applied on the relativeabundances of the most abundant taxa (Emiliania huxleyi, Gephyrocapsa muellerae,Calcidiscus leptoporus and Gephyrocapsa spp. small). The results of the analysis revealedthe affinities of G. muellerae and Gephyrocapsa spp. small for high nutrient conditions. Incontrast, E. huxleyi and C. leptoporus seem to be associated with high salinity and hightemperature. Statistical analysis results revealed three Groups (I–III), nutrient contentcontrolled. Group I lies within northern sites, is dominated by E. huxleyi and has a positivecorrelation with salinity and temperature. Conversely, Group II, located in SloggettCanyon, is dominated by E. huxleyi and is not correlated to any environmental variables.Group III, is composed by E. huxleyi and G. muellerae, is geographically confined to thesoutheast area and has a positive correlation with phosphate and nitrate. There wouldbe a moderate association of certain groups of coccolithophores (as Gephyrocapsa spp.)with nutrient-rich waters from the Malvinas Current, and Emiliania huxleyi strains moreassociated with relatively low nutrient content of waters from the northernmost part ofArgentinean Continental Margin.Fil: Rivas, Lucia. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Alperin, Marta Ines. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; ArgentinaFil: Perez Panera, Juan Pablo. YPF - Tecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; ArgentinaFil: Cusminsky, Gabriela Catalina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Patagonia Norte. Instituto de Investigaciones En Biodiversidad y Medioambiente. Subsede Junín de Los Andes-inibioma-centro de Ecología Aplicada del Neuquén (cean) | Universidad Nacional del Comahue. Centro Regional Universitario Bariloche. Instituto de Investigaciones En Biodiversidad y Medioambiente. Subsede Junín de Los Andes-inibioma-centro de Ecología Aplicada del Neuquén (cean).; ArgentinaWiley Blackwell Publishing, Inc2024-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/236411Rivas, Lucia; Alperin, Marta Ines; Perez Panera, Juan Pablo; Cusminsky, Gabriela Catalina; Distribution of coccoliths in surface sediments from the southwest Atlantic Ocean in relation to environmental gradients; Wiley Blackwell Publishing, Inc; Lethaia; 57; 1; 3-2024; 1-140024-1164CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.idunn.no/doi/10.18261/let.57.1.8info:eu-repo/semantics/altIdentifier/doi/10.18261/let.57.1.8info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T12:12:12Zoai:ri.conicet.gov.ar:11336/236411instacron: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:34982025-10-22 12:12:13.011CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Distribution of coccoliths in surface sediments from the southwest Atlantic Ocean in relation to environmental gradients
title Distribution of coccoliths in surface sediments from the southwest Atlantic Ocean in relation to environmental gradients
spellingShingle Distribution of coccoliths in surface sediments from the southwest Atlantic Ocean in relation to environmental gradients
Rivas, Lucia
NANNOPLANKTON
SURFACE SEDIMENTS
ASSEMBLAGE DISTRIBUTION
COMPOSITIONAL DATA
REDUNDANCY ANALYSIS
SOUTHWEST ATLANTIC OCEAN
title_short Distribution of coccoliths in surface sediments from the southwest Atlantic Ocean in relation to environmental gradients
title_full Distribution of coccoliths in surface sediments from the southwest Atlantic Ocean in relation to environmental gradients
title_fullStr Distribution of coccoliths in surface sediments from the southwest Atlantic Ocean in relation to environmental gradients
title_full_unstemmed Distribution of coccoliths in surface sediments from the southwest Atlantic Ocean in relation to environmental gradients
title_sort Distribution of coccoliths in surface sediments from the southwest Atlantic Ocean in relation to environmental gradients
dc.creator.none.fl_str_mv Rivas, Lucia
Alperin, Marta Ines
Perez Panera, Juan Pablo
Cusminsky, Gabriela Catalina
author Rivas, Lucia
author_facet Rivas, Lucia
Alperin, Marta Ines
Perez Panera, Juan Pablo
Cusminsky, Gabriela Catalina
author_role author
author2 Alperin, Marta Ines
Perez Panera, Juan Pablo
Cusminsky, Gabriela Catalina
author2_role author
author
author
dc.subject.none.fl_str_mv NANNOPLANKTON
SURFACE SEDIMENTS
ASSEMBLAGE DISTRIBUTION
COMPOSITIONAL DATA
REDUNDANCY ANALYSIS
SOUTHWEST ATLANTIC OCEAN
topic NANNOPLANKTON
SURFACE SEDIMENTS
ASSEMBLAGE DISTRIBUTION
COMPOSITIONAL DATA
REDUNDANCY ANALYSIS
SOUTHWEST ATLANTIC OCEAN
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Coccolith compositions of surface sediment samples from the Southwestern AtlanticOcean were analysed in relation with present-day surface-water environmental parameters(temperature, salinity, phosphate, and nitrate). This work is based on surface sedimentdata sets obtained from the Argentinean Continental Margin (40 – 55°S and 55 – 65°W).A multivariate ordination technique, Redundancy Analysis, was applied on the relativeabundances of the most abundant taxa (Emiliania huxleyi, Gephyrocapsa muellerae,Calcidiscus leptoporus and Gephyrocapsa spp. small). The results of the analysis revealedthe affinities of G. muellerae and Gephyrocapsa spp. small for high nutrient conditions. Incontrast, E. huxleyi and C. leptoporus seem to be associated with high salinity and hightemperature. Statistical analysis results revealed three Groups (I–III), nutrient contentcontrolled. Group I lies within northern sites, is dominated by E. huxleyi and has a positivecorrelation with salinity and temperature. Conversely, Group II, located in SloggettCanyon, is dominated by E. huxleyi and is not correlated to any environmental variables.Group III, is composed by E. huxleyi and G. muellerae, is geographically confined to thesoutheast area and has a positive correlation with phosphate and nitrate. There wouldbe a moderate association of certain groups of coccolithophores (as Gephyrocapsa spp.)with nutrient-rich waters from the Malvinas Current, and Emiliania huxleyi strains moreassociated with relatively low nutrient content of waters from the northernmost part ofArgentinean Continental Margin.
Fil: Rivas, Lucia. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División geología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Alperin, Marta Ines. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina
Fil: Perez Panera, Juan Pablo. YPF - Tecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
Fil: Cusminsky, Gabriela Catalina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Patagonia Norte. Instituto de Investigaciones En Biodiversidad y Medioambiente. Subsede Junín de Los Andes-inibioma-centro de Ecología Aplicada del Neuquén (cean) | Universidad Nacional del Comahue. Centro Regional Universitario Bariloche. Instituto de Investigaciones En Biodiversidad y Medioambiente. Subsede Junín de Los Andes-inibioma-centro de Ecología Aplicada del Neuquén (cean).; Argentina
description Coccolith compositions of surface sediment samples from the Southwestern AtlanticOcean were analysed in relation with present-day surface-water environmental parameters(temperature, salinity, phosphate, and nitrate). This work is based on surface sedimentdata sets obtained from the Argentinean Continental Margin (40 – 55°S and 55 – 65°W).A multivariate ordination technique, Redundancy Analysis, was applied on the relativeabundances of the most abundant taxa (Emiliania huxleyi, Gephyrocapsa muellerae,Calcidiscus leptoporus and Gephyrocapsa spp. small). The results of the analysis revealedthe affinities of G. muellerae and Gephyrocapsa spp. small for high nutrient conditions. Incontrast, E. huxleyi and C. leptoporus seem to be associated with high salinity and hightemperature. Statistical analysis results revealed three Groups (I–III), nutrient contentcontrolled. Group I lies within northern sites, is dominated by E. huxleyi and has a positivecorrelation with salinity and temperature. Conversely, Group II, located in SloggettCanyon, is dominated by E. huxleyi and is not correlated to any environmental variables.Group III, is composed by E. huxleyi and G. muellerae, is geographically confined to thesoutheast area and has a positive correlation with phosphate and nitrate. There wouldbe a moderate association of certain groups of coccolithophores (as Gephyrocapsa spp.)with nutrient-rich waters from the Malvinas Current, and Emiliania huxleyi strains moreassociated with relatively low nutrient content of waters from the northernmost part ofArgentinean Continental Margin.
publishDate 2024
dc.date.none.fl_str_mv 2024-03
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/11336/236411
Rivas, Lucia; Alperin, Marta Ines; Perez Panera, Juan Pablo; Cusminsky, Gabriela Catalina; Distribution of coccoliths in surface sediments from the southwest Atlantic Ocean in relation to environmental gradients; Wiley Blackwell Publishing, Inc; Lethaia; 57; 1; 3-2024; 1-14
0024-1164
CONICET Digital
CONICET
url http://hdl.handle.net/11336/236411
identifier_str_mv Rivas, Lucia; Alperin, Marta Ines; Perez Panera, Juan Pablo; Cusminsky, Gabriela Catalina; Distribution of coccoliths in surface sediments from the southwest Atlantic Ocean in relation to environmental gradients; Wiley Blackwell Publishing, Inc; Lethaia; 57; 1; 3-2024; 1-14
0024-1164
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://www.idunn.no/doi/10.18261/let.57.1.8
info:eu-repo/semantics/altIdentifier/doi/10.18261/let.57.1.8
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
dc.publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
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 12.982451

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