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dc.contributor.author
Pollom, R.
dc.contributor.author
Barreto, R.
dc.contributor.author
Charvet, P.
dc.contributor.author
Chiaramonte, Gustavo Enrique
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Cuevas, J. M.
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Herman, K.
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Montealegre Quijano, S.
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Motta, F.
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Paesch, L.
dc.date.available
2021-11-04T10:59:38Z
dc.date.issued
2020-12
dc.identifier.citation
Pollom, R.; Barreto, R.; Charvet, P.; Chiaramonte, Gustavo Enrique; Cuevas, J. M.; et al.; Sympterygia acuta, Bignose Fanskate; International Union for Conservation of Nature; The IUCN Red List of Threatened Species; 12-2020; 1-12
dc.identifier.issn
2307-8235
dc.identifier.uri
http://hdl.handle.net/11336/145920
dc.description.abstract
The Bignose Fanskate (Sympterygia acuta) is a small (to 62 cm total length) skate that occurs in the Southwest Atlantic from Rio de Janeiro, Brazil to Bahía Blanca, Buenos Aires, Argentina. It inhabits the continental shelf from inshore to 188 m depth. It is captured in intense largely unmanaged demersal trawl fisheries throughout its geographic range. It is one of the most commercially important species and the wings are sold mainly to Asian markets at high prices. In southern Brazil, research trawl catchper-unit-effort revealed a decline in biomass of 74.5% between 1974 and 2005, equivalent to a population reduction of >83% scaled over three generations (40.5 years). This species is a target of the longline fishery in Uruguay, but now it is uncommonly captured in research trawl surveys there. Further, in Argentina, total skate landings have peaked and are declining as a result of overfishing. Overall, due to intense and largely managed trawl fisheries that operate throughout its geographic and depth range, it is suspected that the Bignose Fanskate has undergone a population reduction of >80% over the past three generations (40.5 years), and it is assessed as Critically Endangered A2bd.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
International Union for Conservation of Nature
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Chondrichthyes
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Rajiformes
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Arhynchobatidae
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Bignose Fanskate
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Conservación de la Biodiversidad
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
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dc.title
Sympterygia acuta, Bignose Fanskate
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-09-07T18:07:32Z
dc.identifier.eissn
2307-8235
dc.journal.pagination
1-12
dc.journal.pais
Reino Unido
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dc.description.fil
Fil: Pollom, R.. University Fraser Simon; Canadá
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Fil: Barreto, R.. Centro Nacional Pesquisa E Conservação Da Biodiversidad; Brasil
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Fil: Charvet, P.. Universidade Federal do Paraná; Brasil
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Fil: Chiaramonte, Gustavo Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia". Estación Hidrobiológica de Puerto Quequén (sede Quequén); Argentina
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Fil: Cuevas, J. M.. Wildlife Conservation Society; Estados Unidos
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Fil: Herman, K.. Georgia Aquarium; Estados Unidos
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Fil: Montealegre Quijano, S.. Universidade Federal de Sao Paulo; Brasil
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Fil: Motta, F.. Universidade Federal de Sao Paulo; Brasil
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Fil: Paesch, L.. Dirección Nacional de Recursos Acuáticos; Uruguay
dc.journal.title
The IUCN Red List of Threatened Species
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.iucnredlist.org/species/44642/2998643
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