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dc.contributor.authorFraile, Igaratza-
dc.contributor.authorArrizabalaga, Haritz-
dc.contributor.authorGroeneveld, Jeroen-
dc.contributor.authorSantos, Miguel Neves-
dc.contributor.authorMacias, David-
dc.contributor.authorAddis, Piero-
dc.contributor.authorDettman, David L.-
dc.contributor.authorKarakulak, Saadet-
dc.contributor.authorDeguara, Simeon-
dc.contributor.authorKoelling, Martin-
dc.contributor.authorRooker, Jay R.-
dc.date.accessioned2017-08-23T08:52:03Z-
dc.date.available2017-08-23T08:52:03Z-
dc.date.issued2016-
dc.identifierISI:000374615500003-
dc.identifier.citationJOURNAL OF MARINE SYSTEMS, 2016, 158, 26-33-
dc.identifier.issn0924-7963-
dc.identifier.urihttp://dspace.azti.es/handle/24689/147-
dc.description.abstractOtoliths of Atlantic bluefin tuna (Thunnus thynnus) collected from the Mediterranean Sea and North Atlantic Ocean were analyzed to evaluate changes in the seawater isotopic composition over time. We report an annual otolith delta C-13 record that documents the magnitude of the delta C-13 depletion in the Mediterranean Sea between 1989 and 2010. Atlantic bluefin tuna in our sample (n = 632) ranged from 1 to 22 years, and otolith material corresponding to the first year of life (back-calculated birth year) was used to reconstruct seawater isotopic composition. Otolith 8180 remained relatively stable between 1989 and 2010, whereas a statistically significant decrease in delta C-13 was detected across the time interval investigated, with a rate of decline of 0.05 parts per thousand yr(-1) (-0.94 parts per thousand depletion throughout the recorded period). The depletion in otolith delta C-13 over time was associated with the oceanic uptake of anthropogenically derived CO2. (C) 2016 Elsevier B.V. All rights reserved.-
dc.description.sponsorshipWe would like to express our deepest gratitude to L. Naval, the staff from ``La Bacaladera´´ and the crew from ``Attalaya Berria´´ for sampling help in the Bay of Biscay. We also thank all the people that actively participated in sample collection across the Mediterranean Sea and the Strait of Gibraltar. The authors are indebted to the two anonymous reviewers for their many helpful insights and suggestions which improved the manuscript considerably. This work was carried out under the provision of the ICCAT Atlantic Wide Research Programme for Bluefin Tuna (GBYP), co-funded by the European Union (grant SI2/585616), by several other ICCAT CPCs, the ICCAT Secretariat and by other entities (see http://www.iccat.int/GBYP/en/Budget.htm). The contents of this paper do not necessarily reflect the point of view of ICCAT or of the other funders. This work was also supported by grant CTM2011-27505 by the Spanish Ministry of Economy and Competitiveness (MINECO), National Geographic Society (Grant W132-10) and the Basque Government (Grant 351BI20080022). This paper is contribution number 733 from AZTI-Tecnalia (Marine Research).-
dc.language.isoeng-
dc.publisherELSEVIER SCIENCE BV-
dc.subjectdelta C-13 and delta O-18-
dc.subjectMediterranean Sea-
dc.subjectCO2 emission-
dc.subjectSuess effect-
dc.subjectATMOSPHERIC CO2-
dc.subjectISOTOPIC COMPOSITION-
dc.subjectCLIMATE VARIABILITY-
dc.subjectMEDITERRANEAN SEA-
dc.subjectTHUNNUS-THYNNUS-
dc.subjectCARBON-DIOXIDE-
dc.subjectSURFACE OCEANS-
dc.subjectFISH OTOLITHS-
dc.subjectRECENT TRENDS-
dc.subjectDELTA C-13-
dc.titleThe imprint of anthropogenic CO2 emissions on Atlantic bluefin tuna otoliths-
dc.typeArticle-
dc.identifier.journalJOURNAL OF MARINE SYSTEMS-
dc.format.page26-33-
dc.format.volume158-
dc.contributor.funderEuropean Union \[SI2/585616)]-
dc.contributor.funderICCAT CPCs-
dc.contributor.funderICCAT Secretariat-
dc.contributor.funderSpanish Ministry of Economy and Competitiveness (MINECO) \[CTM2011-27505]-
dc.contributor.funderNational Geographic Society \[W132-10]-
dc.contributor.funderBasque Government \[351BI20080022]-
dc.identifier.e-issn1879-1573-
dc.identifier.doi10.1016/j.jmarsys.2015.12,012-
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