Geographic distribution of the short-tailed river stingray (Potamotrygon brachyura): Assessing habitat loss and fishing as threats to the world's largest obligate freshwater elasmo...

Autores
Lucifora, Luis Omar; Barbini, Santiago Aldo; Llamazares Vegh, Sabina; Scarabotti, Pablo Augusto; Vargas, Facundo; Solari, Agustín; Mabragaña, Ezequiel; Díaz de Astarloa, Juan Martín
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Freshwater elasmobranchs are threatened but little is known about them. Potamotrygon brachyura is the world's largest obligate freshwater elasmobranch. This makes it popular among fishermen and suggests a susceptibility to anthropogenic threats. We collected records of P. brachyura (n≤70) from media, fishermen and scientific sampling, to estimate its global geographic distribution (using both generalised additive and MaxLike models). Then, we estimated the species' exposure to habitat modification and fishing pressure, by applying multinomial ordinal models with threat levels as response and the presence or absence of P. brachyura as an independent variable. Distance to coast, depth, water temperature range, salinity range and mean water temperature were the main determinants of the distribution in the Río de la Plata. This resulted in a narrow coastal distribution. In the Uruguay and Paraná River basins, the probability of occurrence was positively associated with flow accumulation, percentage of open water and submerged vegetation, and lowland ecoregions, and negatively to wetness index and altitude. This limited the distribution to large lowland rivers. Approximately 41% of the range of P. brachyura in the Río de la Plata was subject to high habitat modification. In the Uruguay and Paraná River basins, this percentage reached 7%; however, the overlap with high fishing pressure was 59%. For conservation purposes, P. brachyura may function as an umbrella species.
Fil: Lucifora, Luis Omar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Biología Subtropical. Instituto de Biología Subtropical - Nodo Puerto Iguazú | Universidad Nacional de Misiones. Instituto de Biología Subtropical. Instituto de Biología Subtropical - Nodo Puerto Iguazú; Argentina
Fil: Barbini, Santiago Aldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Fil: Llamazares Vegh, Sabina. Ministerio de Agricultura, Ganaderia, Pesca y Alimento; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Scarabotti, Pablo Augusto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; Argentina
Fil: Vargas, Facundo. Direccion de Fauna y Areas Naturales Protegidas; Argentina
Fil: Solari, Agustín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Biología Subtropical. Instituto de Biología Subtropical - Nodo Puerto Iguazú | Universidad Nacional de Misiones. Instituto de Biología Subtropical. Instituto de Biología Subtropical - Nodo Puerto Iguazú; Argentina
Fil: Mabragaña, Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Fil: Díaz de Astarloa, Juan Martín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Materia
Chondrichthyes
Pantanal
ParanÁ
River
RÍO de La Plata Basin
South America
Species Distribution Modelling
Wetlands.
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:11336/38346
Acceder
id CONICETDig_fcec1541f0b787e4fdf2f18da8a82db1
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network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Geographic distribution of the short-tailed river stingray (Potamotrygon brachyura): Assessing habitat loss and fishing as threats to the world's largest obligate freshwater elasmobranchLucifora, Luis OmarBarbini, Santiago AldoLlamazares Vegh, SabinaScarabotti, Pablo AugustoVargas, FacundoSolari, AgustínMabragaña, EzequielDíaz de Astarloa, Juan MartínChondrichthyesPantanalParanÁRiverRÍO de La Plata BasinSouth AmericaSpecies Distribution ModellingWetlands.https://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Freshwater elasmobranchs are threatened but little is known about them. Potamotrygon brachyura is the world's largest obligate freshwater elasmobranch. This makes it popular among fishermen and suggests a susceptibility to anthropogenic threats. We collected records of P. brachyura (n≤70) from media, fishermen and scientific sampling, to estimate its global geographic distribution (using both generalised additive and MaxLike models). Then, we estimated the species' exposure to habitat modification and fishing pressure, by applying multinomial ordinal models with threat levels as response and the presence or absence of P. brachyura as an independent variable. Distance to coast, depth, water temperature range, salinity range and mean water temperature were the main determinants of the distribution in the Río de la Plata. This resulted in a narrow coastal distribution. In the Uruguay and Paraná River basins, the probability of occurrence was positively associated with flow accumulation, percentage of open water and submerged vegetation, and lowland ecoregions, and negatively to wetness index and altitude. This limited the distribution to large lowland rivers. Approximately 41% of the range of P. brachyura in the Río de la Plata was subject to high habitat modification. In the Uruguay and Paraná River basins, this percentage reached 7%; however, the overlap with high fishing pressure was 59%. For conservation purposes, P. brachyura may function as an umbrella species.Fil: Lucifora, Luis Omar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Biología Subtropical. Instituto de Biología Subtropical - Nodo Puerto Iguazú | Universidad Nacional de Misiones. Instituto de Biología Subtropical. Instituto de Biología Subtropical - Nodo Puerto Iguazú; ArgentinaFil: Barbini, Santiago Aldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; ArgentinaFil: Llamazares Vegh, Sabina. Ministerio de Agricultura, Ganaderia, Pesca y Alimento; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Scarabotti, Pablo Augusto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; ArgentinaFil: Vargas, Facundo. Direccion de Fauna y Areas Naturales Protegidas; ArgentinaFil: Solari, Agustín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Biología Subtropical. Instituto de Biología Subtropical - Nodo Puerto Iguazú | Universidad Nacional de Misiones. Instituto de Biología Subtropical. Instituto de Biología Subtropical - Nodo Puerto Iguazú; ArgentinaFil: Mabragaña, Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; ArgentinaFil: Díaz de Astarloa, Juan Martín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; ArgentinaCsiro Publishing2015-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/38346Lucifora, Luis Omar; Barbini, Santiago Aldo; Llamazares Vegh, Sabina; Scarabotti, Pablo Augusto; Vargas, Facundo; et al.; Geographic distribution of the short-tailed river stingray (Potamotrygon brachyura): Assessing habitat loss and fishing as threats to the world's largest obligate freshwater elasmobranch; Csiro Publishing; Marine and Freshwater Research; 67; 10; 9-2015; 1463-14781323-16501448-6059CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1071/MF15003info:eu-repo/semantics/altIdentifier/url/http://www.publish.csiro.au/mf/MF15003info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:11:24Zoai:ri.conicet.gov.ar:11336/38346instacron: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 11:11:24.904CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Geographic distribution of the short-tailed river stingray (Potamotrygon brachyura): Assessing habitat loss and fishing as threats to the world's largest obligate freshwater elasmobranch
title Geographic distribution of the short-tailed river stingray (Potamotrygon brachyura): Assessing habitat loss and fishing as threats to the world's largest obligate freshwater elasmobranch
spellingShingle Geographic distribution of the short-tailed river stingray (Potamotrygon brachyura): Assessing habitat loss and fishing as threats to the world's largest obligate freshwater elasmobranch
Lucifora, Luis Omar
Chondrichthyes
Pantanal
ParanÁ
River
RÍO de La Plata Basin
South America
Species Distribution Modelling
Wetlands.
title_short Geographic distribution of the short-tailed river stingray (Potamotrygon brachyura): Assessing habitat loss and fishing as threats to the world's largest obligate freshwater elasmobranch
title_full Geographic distribution of the short-tailed river stingray (Potamotrygon brachyura): Assessing habitat loss and fishing as threats to the world's largest obligate freshwater elasmobranch
title_fullStr Geographic distribution of the short-tailed river stingray (Potamotrygon brachyura): Assessing habitat loss and fishing as threats to the world's largest obligate freshwater elasmobranch
title_full_unstemmed Geographic distribution of the short-tailed river stingray (Potamotrygon brachyura): Assessing habitat loss and fishing as threats to the world's largest obligate freshwater elasmobranch
title_sort Geographic distribution of the short-tailed river stingray (Potamotrygon brachyura): Assessing habitat loss and fishing as threats to the world's largest obligate freshwater elasmobranch
dc.creator.none.fl_str_mv Lucifora, Luis Omar
Barbini, Santiago Aldo
Llamazares Vegh, Sabina
Scarabotti, Pablo Augusto
Vargas, Facundo
Solari, Agustín
Mabragaña, Ezequiel
Díaz de Astarloa, Juan Martín
author Lucifora, Luis Omar
author_facet Lucifora, Luis Omar
Barbini, Santiago Aldo
Llamazares Vegh, Sabina
Scarabotti, Pablo Augusto
Vargas, Facundo
Solari, Agustín
Mabragaña, Ezequiel
Díaz de Astarloa, Juan Martín
author_role author
author2 Barbini, Santiago Aldo
Llamazares Vegh, Sabina
Scarabotti, Pablo Augusto
Vargas, Facundo
Solari, Agustín
Mabragaña, Ezequiel
Díaz de Astarloa, Juan Martín
author2_role author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Chondrichthyes
Pantanal
ParanÁ
River
RÍO de La Plata Basin
South America
Species Distribution Modelling
Wetlands.
topic Chondrichthyes
Pantanal
ParanÁ
River
RÍO de La Plata Basin
South America
Species Distribution Modelling
Wetlands.
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Freshwater elasmobranchs are threatened but little is known about them. Potamotrygon brachyura is the world's largest obligate freshwater elasmobranch. This makes it popular among fishermen and suggests a susceptibility to anthropogenic threats. We collected records of P. brachyura (n≤70) from media, fishermen and scientific sampling, to estimate its global geographic distribution (using both generalised additive and MaxLike models). Then, we estimated the species' exposure to habitat modification and fishing pressure, by applying multinomial ordinal models with threat levels as response and the presence or absence of P. brachyura as an independent variable. Distance to coast, depth, water temperature range, salinity range and mean water temperature were the main determinants of the distribution in the Río de la Plata. This resulted in a narrow coastal distribution. In the Uruguay and Paraná River basins, the probability of occurrence was positively associated with flow accumulation, percentage of open water and submerged vegetation, and lowland ecoregions, and negatively to wetness index and altitude. This limited the distribution to large lowland rivers. Approximately 41% of the range of P. brachyura in the Río de la Plata was subject to high habitat modification. In the Uruguay and Paraná River basins, this percentage reached 7%; however, the overlap with high fishing pressure was 59%. For conservation purposes, P. brachyura may function as an umbrella species.
Fil: Lucifora, Luis Omar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Biología Subtropical. Instituto de Biología Subtropical - Nodo Puerto Iguazú | Universidad Nacional de Misiones. Instituto de Biología Subtropical. Instituto de Biología Subtropical - Nodo Puerto Iguazú; Argentina
Fil: Barbini, Santiago Aldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Fil: Llamazares Vegh, Sabina. Ministerio de Agricultura, Ganaderia, Pesca y Alimento; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Scarabotti, Pablo Augusto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; Argentina
Fil: Vargas, Facundo. Direccion de Fauna y Areas Naturales Protegidas; Argentina
Fil: Solari, Agustín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste. Instituto de Biología Subtropical. Instituto de Biología Subtropical - Nodo Puerto Iguazú | Universidad Nacional de Misiones. Instituto de Biología Subtropical. Instituto de Biología Subtropical - Nodo Puerto Iguazú; Argentina
Fil: Mabragaña, Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Fil: Díaz de Astarloa, Juan Martín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
description Freshwater elasmobranchs are threatened but little is known about them. Potamotrygon brachyura is the world's largest obligate freshwater elasmobranch. This makes it popular among fishermen and suggests a susceptibility to anthropogenic threats. We collected records of P. brachyura (n≤70) from media, fishermen and scientific sampling, to estimate its global geographic distribution (using both generalised additive and MaxLike models). Then, we estimated the species' exposure to habitat modification and fishing pressure, by applying multinomial ordinal models with threat levels as response and the presence or absence of P. brachyura as an independent variable. Distance to coast, depth, water temperature range, salinity range and mean water temperature were the main determinants of the distribution in the Río de la Plata. This resulted in a narrow coastal distribution. In the Uruguay and Paraná River basins, the probability of occurrence was positively associated with flow accumulation, percentage of open water and submerged vegetation, and lowland ecoregions, and negatively to wetness index and altitude. This limited the distribution to large lowland rivers. Approximately 41% of the range of P. brachyura in the Río de la Plata was subject to high habitat modification. In the Uruguay and Paraná River basins, this percentage reached 7%; however, the overlap with high fishing pressure was 59%. For conservation purposes, P. brachyura may function as an umbrella species.
publishDate 2015
dc.date.none.fl_str_mv 2015-09
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/11336/38346
Lucifora, Luis Omar; Barbini, Santiago Aldo; Llamazares Vegh, Sabina; Scarabotti, Pablo Augusto; Vargas, Facundo; et al.; Geographic distribution of the short-tailed river stingray (Potamotrygon brachyura): Assessing habitat loss and fishing as threats to the world's largest obligate freshwater elasmobranch; Csiro Publishing; Marine and Freshwater Research; 67; 10; 9-2015; 1463-1478
1323-1650
1448-6059
CONICET Digital
CONICET
url http://hdl.handle.net/11336/38346
identifier_str_mv Lucifora, Luis Omar; Barbini, Santiago Aldo; Llamazares Vegh, Sabina; Scarabotti, Pablo Augusto; Vargas, Facundo; et al.; Geographic distribution of the short-tailed river stingray (Potamotrygon brachyura): Assessing habitat loss and fishing as threats to the world's largest obligate freshwater elasmobranch; Csiro Publishing; Marine and Freshwater Research; 67; 10; 9-2015; 1463-1478
1323-1650
1448-6059
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1071/MF15003
info:eu-repo/semantics/altIdentifier/url/http://www.publish.csiro.au/mf/MF15003
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 Csiro Publishing
publisher.none.fl_str_mv Csiro Publishing
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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