Ecosystem effects of bluefin tuna Thunnus thynnus thynnus aquaculture in the NW Mediterranean Sea

17 pages, 5 figures, 6 tables

Detalles Bibliográficos
Autores: Forrestal, F., Coll, Marta, Die, David, Christensen, Villy
Tipo de recurso: artículo
Fecha de publicación:2012
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/52995
Acceso en línea:http://hdl.handle.net/10261/52995
Access Level:acceso abierto
Palabra clave:Capture-based aquaculture
Bluefin tuna
Food-web model
Ecopath with Ecosim
Mediterranean Sea
id ES_dcb34fac74e9b4b3d73f41b38f0323ff
oai_identifier_str oai:digital.csic.es:10261/52995
network_acronym_str ES
network_name_str España
repository_id_str
spelling Ecosystem effects of bluefin tuna Thunnus thynnus thynnus aquaculture in the NW Mediterranean SeaForrestal, F.Coll, MartaDie, DavidChristensen, VillyCapture-based aquacultureBluefin tunaFood-web modelEcopath with EcosimMediterranean Sea17 pages, 5 figures, 6 tablesIn recent decades the eastern stock of Atlantic bluefin tuna Thunnus thynnus thynnus has declined, driven by excessive catches partially mediated by the growth of the capture-based aquaculture of bluefin in the Mediterranean. This study addresses the potential direct and indirect food-web effects on trophic linkages in the ecosystem through the removal of both small pelagic fish species and wild bluefin tuna for aquaculture operations in the Mediterranean. A mass-balanced model representing the southern Catalan Sea during the 1990s was modified to include a bluefin tuna farm partially supplied from fish captured in the area modeled. Six scenarios were developed to simulate possible changes to the capture-based aquaculture operations and possible impacts to the ecosystem. The addition of one bluefin tuna farm in the Catalan Sea did not produce substantial effects in the ecosystem. Simulation scenarios that include the level of production already present in a similar ecosystem in the Murcia region resulted in large fluctuations of both biomass and yield for bluefin tuna, as well as for many species in the modeled ecosystem. Increases in biomass of lower trophic level functional groups were observed with reductions in biomass from higher trophic level predators. These outcomes demonstrate that removal of biomass at top and intermediate trophic levels can have direct and indirect outcomes on the structure of the ecosystem due to the complexity of the food web. Our results suggest, in the case of the Western Mediterranean Sea, increasing bluefin tuna farming activities will likely contribute towards further degradation of an already highly exploited ecosystemM.C. was supported financially by the European Community Marie-Curie post-doctoral fellowship through the International Outgoing Fellowships (IOF; Call: FP7-PEOPLE-2007-4-1-IOF) to ECOFUNPeer reviewedInter Research2012info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/52995reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttps://doi.org/10.3354/meps09700info:eu-repo/semantics/openAccessoai:digital.csic.es:10261/529952026-05-22T06:33:51Z
dc.title.none.fl_str_mv Ecosystem effects of bluefin tuna Thunnus thynnus thynnus aquaculture in the NW Mediterranean Sea
title Ecosystem effects of bluefin tuna Thunnus thynnus thynnus aquaculture in the NW Mediterranean Sea
spellingShingle Ecosystem effects of bluefin tuna Thunnus thynnus thynnus aquaculture in the NW Mediterranean Sea
Forrestal, F.
Capture-based aquaculture
Bluefin tuna
Food-web model
Ecopath with Ecosim
Mediterranean Sea
title_short Ecosystem effects of bluefin tuna Thunnus thynnus thynnus aquaculture in the NW Mediterranean Sea
title_full Ecosystem effects of bluefin tuna Thunnus thynnus thynnus aquaculture in the NW Mediterranean Sea
title_fullStr Ecosystem effects of bluefin tuna Thunnus thynnus thynnus aquaculture in the NW Mediterranean Sea
title_full_unstemmed Ecosystem effects of bluefin tuna Thunnus thynnus thynnus aquaculture in the NW Mediterranean Sea
title_sort Ecosystem effects of bluefin tuna Thunnus thynnus thynnus aquaculture in the NW Mediterranean Sea
dc.creator.none.fl_str_mv Forrestal, F.
Coll, Marta
Die, David
Christensen, Villy
author Forrestal, F.
author_facet Forrestal, F.
Coll, Marta
Die, David
Christensen, Villy
author_role author
author2 Coll, Marta
Die, David
Christensen, Villy
author2_role author
author
author
dc.subject.none.fl_str_mv Capture-based aquaculture
Bluefin tuna
Food-web model
Ecopath with Ecosim
Mediterranean Sea
topic Capture-based aquaculture
Bluefin tuna
Food-web model
Ecopath with Ecosim
Mediterranean Sea
description 17 pages, 5 figures, 6 tables
publishDate 2012
dc.date.none.fl_str_mv 2012
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/52995
url http://hdl.handle.net/10261/52995
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv https://doi.org/10.3354/meps09700
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Inter Research
publisher.none.fl_str_mv Inter Research
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869421792451362816
score 15,81155

Similares en LA Referencia