Spatial and temporal distribution pattern of phosphorus fractions in a saline lowland river with agricultural land use (Salado River, Buenos Aires, Argentina)

Autores
Gabellone, Nestor Adrian; Claps, Maria Cristina; Solari, Lía Cristina; Neschuk, Nancy Carolina; Ardohain, Diego Martin
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The main river of the Buenos Aires province, the Salado (length, 600 km; basin area, 150,000 km2), which drains one of the country's most extensive agricultural regions, is impacted by human activities (agriculture, hydraulic modifications), although the extent and mechanism of those impacts have yet to be clarified fully. This study investigated the temporal and spatial variations in concentrations of different phosphorus fractions in the Salado and its channels and tributaries to examine the potential influences of land use on the phosphorus dynamics in the basin. The data collected between 1997 and 1999 - during which period the basin experienced El Niño and La Niña events - indicated that the main phosphorus input occurred upstream and was mainly attributable to agricultural runoff. In support of this notion, the timing of the spring peak of total phosphorus concentrations (3,500 μg L-1) corresponded to the period of highest agricultural activities in a tributary of the headwaters. Of the total dissolved phosphorus, the particulate phosphorus and the dissolved reactive phosphorus were the main fractions in the headwaters. Data were also collected in the lower sector of the basin during the flooding periods between 2002 and 2003. These results revealed that a large total-phosphorus transport in the spring was related to a high discharge as a result of heavy rainfall. As with the results obtained in the entire basin, the particulate phosphorus fraction was primarily responsible for the increase in total phosphorus. We furthermore found that the phosphorus concentrations decreased near the mouth of the Salado, where extensive wetlands were present.
Fil: Gabellone, Nestor Adrian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Limnología "Dr. Raúl A. Ringuelet". Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Limnología; Argentina
Fil: Claps, Maria Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Limnología "Dr. Raúl A. Ringuelet". Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Limnología; Argentina
Fil: Solari, Lía Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Limnología "Dr. Raúl A. Ringuelet". Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Limnología; Argentina
Fil: Neschuk, Nancy Carolina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina
Fil: Ardohain, Diego Martin. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
Materia
Agricultural Land Use
Argentina
Land Use Index
Lowland River
Pampa Region
Phosphorus Fractions
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:11336/78487
Acceder
id CONICETDig_8bd91acc9883d7fec271adb159cb9396
oai_identifier_str oai:ri.conicet.gov.ar:11336/78487
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Spatial and temporal distribution pattern of phosphorus fractions in a saline lowland river with agricultural land use (Salado River, Buenos Aires, Argentina)Gabellone, Nestor AdrianClaps, Maria CristinaSolari, Lía CristinaNeschuk, Nancy CarolinaArdohain, Diego MartinAgricultural Land UseArgentinaLand Use IndexLowland RiverPampa RegionPhosphorus Fractionshttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1The main river of the Buenos Aires province, the Salado (length, 600 km; basin area, 150,000 km2), which drains one of the country's most extensive agricultural regions, is impacted by human activities (agriculture, hydraulic modifications), although the extent and mechanism of those impacts have yet to be clarified fully. This study investigated the temporal and spatial variations in concentrations of different phosphorus fractions in the Salado and its channels and tributaries to examine the potential influences of land use on the phosphorus dynamics in the basin. The data collected between 1997 and 1999 - during which period the basin experienced El Niño and La Niña events - indicated that the main phosphorus input occurred upstream and was mainly attributable to agricultural runoff. In support of this notion, the timing of the spring peak of total phosphorus concentrations (3,500 μg L-1) corresponded to the period of highest agricultural activities in a tributary of the headwaters. Of the total dissolved phosphorus, the particulate phosphorus and the dissolved reactive phosphorus were the main fractions in the headwaters. Data were also collected in the lower sector of the basin during the flooding periods between 2002 and 2003. These results revealed that a large total-phosphorus transport in the spring was related to a high discharge as a result of heavy rainfall. As with the results obtained in the entire basin, the particulate phosphorus fraction was primarily responsible for the increase in total phosphorus. We furthermore found that the phosphorus concentrations decreased near the mouth of the Salado, where extensive wetlands were present.Fil: Gabellone, Nestor Adrian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Limnología "Dr. Raúl A. Ringuelet". Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Limnología; ArgentinaFil: Claps, Maria Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Limnología "Dr. Raúl A. Ringuelet". Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Limnología; ArgentinaFil: Solari, Lía Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Limnología "Dr. Raúl A. Ringuelet". Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Limnología; ArgentinaFil: Neschuk, Nancy Carolina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; ArgentinaFil: Ardohain, Diego Martin. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; ArgentinaE Schweizerbartsche Verlags2013-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/78487Gabellone, Nestor Adrian; Claps, Maria Cristina; Solari, Lía Cristina; Neschuk, Nancy Carolina; Ardohain, Diego Martin; Spatial and temporal distribution pattern of phosphorus fractions in a saline lowland river with agricultural land use (Salado River, Buenos Aires, Argentina); E Schweizerbartsche Verlags; Fundamental and Applied Limnology; 183; 4; 12-2013; 271-2861863-9135CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.schweizerbart.de/papers/fal/detail/183/81635/Spatial_and_temporal_distribution_pattern_of_phosphorus_fractions_in_a_saline_lowland_river_with_agricultural_land_use_Salado_River_Buenos_Aires_Argentinainfo:eu-repo/semantics/altIdentifier/doi/10.1127/1863-9135/2013/0499info:eu-repo/semantics/altIdentifier/url/https://www.ingentaconnect.com/content/schweiz/fal/2013/00000183/00000004/art00002%3bjsessionid=4wtluh1183umw.x-ic-live-01info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:04:20Zoai:ri.conicet.gov.ar:11336/78487instacron: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 10:04:20.756CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Spatial and temporal distribution pattern of phosphorus fractions in a saline lowland river with agricultural land use (Salado River, Buenos Aires, Argentina)
title Spatial and temporal distribution pattern of phosphorus fractions in a saline lowland river with agricultural land use (Salado River, Buenos Aires, Argentina)
spellingShingle Spatial and temporal distribution pattern of phosphorus fractions in a saline lowland river with agricultural land use (Salado River, Buenos Aires, Argentina)
Gabellone, Nestor Adrian
Agricultural Land Use
Argentina
Land Use Index
Lowland River
Pampa Region
Phosphorus Fractions
title_short Spatial and temporal distribution pattern of phosphorus fractions in a saline lowland river with agricultural land use (Salado River, Buenos Aires, Argentina)
title_full Spatial and temporal distribution pattern of phosphorus fractions in a saline lowland river with agricultural land use (Salado River, Buenos Aires, Argentina)
title_fullStr Spatial and temporal distribution pattern of phosphorus fractions in a saline lowland river with agricultural land use (Salado River, Buenos Aires, Argentina)
title_full_unstemmed Spatial and temporal distribution pattern of phosphorus fractions in a saline lowland river with agricultural land use (Salado River, Buenos Aires, Argentina)
title_sort Spatial and temporal distribution pattern of phosphorus fractions in a saline lowland river with agricultural land use (Salado River, Buenos Aires, Argentina)
dc.creator.none.fl_str_mv Gabellone, Nestor Adrian
Claps, Maria Cristina
Solari, Lía Cristina
Neschuk, Nancy Carolina
Ardohain, Diego Martin
author Gabellone, Nestor Adrian
author_facet Gabellone, Nestor Adrian
Claps, Maria Cristina
Solari, Lía Cristina
Neschuk, Nancy Carolina
Ardohain, Diego Martin
author_role author
author2 Claps, Maria Cristina
Solari, Lía Cristina
Neschuk, Nancy Carolina
Ardohain, Diego Martin
author2_role author
author
author
author
dc.subject.none.fl_str_mv Agricultural Land Use
Argentina
Land Use Index
Lowland River
Pampa Region
Phosphorus Fractions
topic Agricultural Land Use
Argentina
Land Use Index
Lowland River
Pampa Region
Phosphorus Fractions
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The main river of the Buenos Aires province, the Salado (length, 600 km; basin area, 150,000 km2), which drains one of the country's most extensive agricultural regions, is impacted by human activities (agriculture, hydraulic modifications), although the extent and mechanism of those impacts have yet to be clarified fully. This study investigated the temporal and spatial variations in concentrations of different phosphorus fractions in the Salado and its channels and tributaries to examine the potential influences of land use on the phosphorus dynamics in the basin. The data collected between 1997 and 1999 - during which period the basin experienced El Niño and La Niña events - indicated that the main phosphorus input occurred upstream and was mainly attributable to agricultural runoff. In support of this notion, the timing of the spring peak of total phosphorus concentrations (3,500 μg L-1) corresponded to the period of highest agricultural activities in a tributary of the headwaters. Of the total dissolved phosphorus, the particulate phosphorus and the dissolved reactive phosphorus were the main fractions in the headwaters. Data were also collected in the lower sector of the basin during the flooding periods between 2002 and 2003. These results revealed that a large total-phosphorus transport in the spring was related to a high discharge as a result of heavy rainfall. As with the results obtained in the entire basin, the particulate phosphorus fraction was primarily responsible for the increase in total phosphorus. We furthermore found that the phosphorus concentrations decreased near the mouth of the Salado, where extensive wetlands were present.
Fil: Gabellone, Nestor Adrian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Limnología "Dr. Raúl A. Ringuelet". Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Limnología; Argentina
Fil: Claps, Maria Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Limnología "Dr. Raúl A. Ringuelet". Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Limnología; Argentina
Fil: Solari, Lía Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Limnología "Dr. Raúl A. Ringuelet". Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Limnología; Argentina
Fil: Neschuk, Nancy Carolina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina
Fil: Ardohain, Diego Martin. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
description The main river of the Buenos Aires province, the Salado (length, 600 km; basin area, 150,000 km2), which drains one of the country's most extensive agricultural regions, is impacted by human activities (agriculture, hydraulic modifications), although the extent and mechanism of those impacts have yet to be clarified fully. This study investigated the temporal and spatial variations in concentrations of different phosphorus fractions in the Salado and its channels and tributaries to examine the potential influences of land use on the phosphorus dynamics in the basin. The data collected between 1997 and 1999 - during which period the basin experienced El Niño and La Niña events - indicated that the main phosphorus input occurred upstream and was mainly attributable to agricultural runoff. In support of this notion, the timing of the spring peak of total phosphorus concentrations (3,500 μg L-1) corresponded to the period of highest agricultural activities in a tributary of the headwaters. Of the total dissolved phosphorus, the particulate phosphorus and the dissolved reactive phosphorus were the main fractions in the headwaters. Data were also collected in the lower sector of the basin during the flooding periods between 2002 and 2003. These results revealed that a large total-phosphorus transport in the spring was related to a high discharge as a result of heavy rainfall. As with the results obtained in the entire basin, the particulate phosphorus fraction was primarily responsible for the increase in total phosphorus. We furthermore found that the phosphorus concentrations decreased near the mouth of the Salado, where extensive wetlands were present.
publishDate 2013
dc.date.none.fl_str_mv 2013-12
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/11336/78487
Gabellone, Nestor Adrian; Claps, Maria Cristina; Solari, Lía Cristina; Neschuk, Nancy Carolina; Ardohain, Diego Martin; Spatial and temporal distribution pattern of phosphorus fractions in a saline lowland river with agricultural land use (Salado River, Buenos Aires, Argentina); E Schweizerbartsche Verlags; Fundamental and Applied Limnology; 183; 4; 12-2013; 271-286
1863-9135
CONICET Digital
CONICET
url http://hdl.handle.net/11336/78487
identifier_str_mv Gabellone, Nestor Adrian; Claps, Maria Cristina; Solari, Lía Cristina; Neschuk, Nancy Carolina; Ardohain, Diego Martin; Spatial and temporal distribution pattern of phosphorus fractions in a saline lowland river with agricultural land use (Salado River, Buenos Aires, Argentina); E Schweizerbartsche Verlags; Fundamental and Applied Limnology; 183; 4; 12-2013; 271-286
1863-9135
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.schweizerbart.de/papers/fal/detail/183/81635/Spatial_and_temporal_distribution_pattern_of_phosphorus_fractions_in_a_saline_lowland_river_with_agricultural_land_use_Salado_River_Buenos_Aires_Argentina
info:eu-repo/semantics/altIdentifier/doi/10.1127/1863-9135/2013/0499
info:eu-repo/semantics/altIdentifier/url/https://www.ingentaconnect.com/content/schweiz/fal/2013/00000183/00000004/art00002%3bjsessionid=4wtluh1183umw.x-ic-live-01
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
application/pdf
dc.publisher.none.fl_str_mv E Schweizerbartsche Verlags
publisher.none.fl_str_mv E Schweizerbartsche Verlags
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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