International fisheries threaten globally endangered sharks in the Eastern Tropical Pacific Ocean: the case of the Fu Yuan Yu Leng 999 reefer vessel seized within the Galápagos Marine Reserve

International fisheries threaten globally endangered sharks in the Eastern Tropical Pacific Ocean: the case of the Fu Yuan Yu Leng 999 reefer vessel seized within the Galápagos Marine Reserve

Abstract Shark fishing, driven by the fin trade, is the primary cause of global shark population declines. Here, we present a case study that exemplifies how industrial fisheries are likely depleting shark populations in the Eastern Tropical Pacific Ocean. In August 2017, the vessel Fu Yuan Yu Leng...

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Autores principales: Elisa Bonaccorso, Nicté Ordóñez-Garza, Diana A. Pazmiño, Alex Hearn, Diego Páez-Rosas, Sebastián Cruz, Juan Pablo Muñoz-Pérez, Eduardo Espinoza, Jenifer Suárez, Lauren D. Muñoz-Rosado, Andrea Vizuete, Jaime A. Chaves, Maria de Lourde Torres, Walter Bustos, Danny Rueda, Maximilian Hirschfeld, Juan M. Guayasamin
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/c4c95ea717e64139ba14da73f5fc89e2
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spelling oai:doaj.org-article:c4c95ea717e64139ba14da73f5fc89e22021-12-02T16:50:23ZInternational fisheries threaten globally endangered sharks in the Eastern Tropical Pacific Ocean: the case of the Fu Yuan Yu Leng 999 reefer vessel seized within the Galápagos Marine Reserve10.1038/s41598-021-94126-32045-2322https://doaj.org/article/c4c95ea717e64139ba14da73f5fc89e22021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-94126-3https://doaj.org/toc/2045-2322Abstract Shark fishing, driven by the fin trade, is the primary cause of global shark population declines. Here, we present a case study that exemplifies how industrial fisheries are likely depleting shark populations in the Eastern Tropical Pacific Ocean. In August 2017, the vessel Fu Yuan Yu Leng 999, of Chinese flag, was detained while crossing through the Galápagos Marine Reserve without authorization. This vessel contained 7639 sharks, representing one of the largest seizures recorded to date. Based on a sample of 929 individuals (12%), we found 12 shark species: 9 considered as Vulnerable or higher risk by the IUCN and 8 listed in CITES. Four species showed a higher proportion of immature than mature individuals, whereas size-distribution hints that at least some of the fishing ships associated with the operation may have been using purse-seine gear fishing equipment, which, for some species, goes against international conventions. Our data expose the magnitude of the threat that fishing industries and illegal trade represent to sharks in the Eastern Tropical Pacific Ocean.Elisa BonaccorsoNicté Ordóñez-GarzaDiana A. PazmiñoAlex HearnDiego Páez-RosasSebastián CruzJuan Pablo Muñoz-PérezEduardo EspinozaJenifer SuárezLauren D. Muñoz-RosadoAndrea VizueteJaime A. ChavesMaria de Lourde TorresWalter BustosDanny RuedaMaximilian HirschfeldJuan M. GuayasaminNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Elisa Bonaccorso
Nicté Ordóñez-Garza
Diana A. Pazmiño
Alex Hearn
Diego Páez-Rosas
Sebastián Cruz
Juan Pablo Muñoz-Pérez
Eduardo Espinoza
Jenifer Suárez
Lauren D. Muñoz-Rosado
Andrea Vizuete
Jaime A. Chaves
Maria de Lourde Torres
Walter Bustos
Danny Rueda
Maximilian Hirschfeld
Juan M. Guayasamin
International fisheries threaten globally endangered sharks in the Eastern Tropical Pacific Ocean: the case of the Fu Yuan Yu Leng 999 reefer vessel seized within the Galápagos Marine Reserve
description Abstract Shark fishing, driven by the fin trade, is the primary cause of global shark population declines. Here, we present a case study that exemplifies how industrial fisheries are likely depleting shark populations in the Eastern Tropical Pacific Ocean. In August 2017, the vessel Fu Yuan Yu Leng 999, of Chinese flag, was detained while crossing through the Galápagos Marine Reserve without authorization. This vessel contained 7639 sharks, representing one of the largest seizures recorded to date. Based on a sample of 929 individuals (12%), we found 12 shark species: 9 considered as Vulnerable or higher risk by the IUCN and 8 listed in CITES. Four species showed a higher proportion of immature than mature individuals, whereas size-distribution hints that at least some of the fishing ships associated with the operation may have been using purse-seine gear fishing equipment, which, for some species, goes against international conventions. Our data expose the magnitude of the threat that fishing industries and illegal trade represent to sharks in the Eastern Tropical Pacific Ocean.
format article
author Elisa Bonaccorso
Nicté Ordóñez-Garza
Diana A. Pazmiño
Alex Hearn
Diego Páez-Rosas
Sebastián Cruz
Juan Pablo Muñoz-Pérez
Eduardo Espinoza
Jenifer Suárez
Lauren D. Muñoz-Rosado
Andrea Vizuete
Jaime A. Chaves
Maria de Lourde Torres
Walter Bustos
Danny Rueda
Maximilian Hirschfeld
Juan M. Guayasamin
author_facet Elisa Bonaccorso
Nicté Ordóñez-Garza
Diana A. Pazmiño
Alex Hearn
Diego Páez-Rosas
Sebastián Cruz
Juan Pablo Muñoz-Pérez
Eduardo Espinoza
Jenifer Suárez
Lauren D. Muñoz-Rosado
Andrea Vizuete
Jaime A. Chaves
Maria de Lourde Torres
Walter Bustos
Danny Rueda
Maximilian Hirschfeld
Juan M. Guayasamin
author_sort Elisa Bonaccorso
title International fisheries threaten globally endangered sharks in the Eastern Tropical Pacific Ocean: the case of the Fu Yuan Yu Leng 999 reefer vessel seized within the Galápagos Marine Reserve
title_short International fisheries threaten globally endangered sharks in the Eastern Tropical Pacific Ocean: the case of the Fu Yuan Yu Leng 999 reefer vessel seized within the Galápagos Marine Reserve
title_full International fisheries threaten globally endangered sharks in the Eastern Tropical Pacific Ocean: the case of the Fu Yuan Yu Leng 999 reefer vessel seized within the Galápagos Marine Reserve
title_fullStr International fisheries threaten globally endangered sharks in the Eastern Tropical Pacific Ocean: the case of the Fu Yuan Yu Leng 999 reefer vessel seized within the Galápagos Marine Reserve
title_full_unstemmed International fisheries threaten globally endangered sharks in the Eastern Tropical Pacific Ocean: the case of the Fu Yuan Yu Leng 999 reefer vessel seized within the Galápagos Marine Reserve
title_sort international fisheries threaten globally endangered sharks in the eastern tropical pacific ocean: the case of the fu yuan yu leng 999 reefer vessel seized within the galápagos marine reserve
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/c4c95ea717e64139ba14da73f5fc89e2
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