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dc.contributor.authorNavarro, Joanes_ES
dc.contributor.authorAlbo Puigserver, Martaes_ES
dc.contributor.authorSerra, Pau, E.es_ES
dc.contributor.authorSáez‑Liante, Raqueles_ES
dc.contributor.authorColl, Martaes_ES
dc.date.accessioned2020-11-09T08:13:12Z-
dc.date.available2020-11-09T08:13:12Z-
dc.date.issued2020-11-
dc.identifier.citationEstuarine Coastal and Shelf Science 246: 107040 (2020)es_ES
dc.identifier.issn0272-7714-
dc.identifier.urihttp://hdl.handle.net/10261/222508-
dc.description7 pages, 3 figures, 4 tableses_ES
dc.description.abstractUnderstanding the trophic ecology of marine predators is pivotal to assess their ecological role in the ecosystems and develop management actions. Despite the ecological importance of predatory pelagic fish species, the trophic role that individual species play within marine communities in many marine basins, such the Mediterranean Sea, remains unclear. In the present study, we aimed to provide new integrative information about the trophic ecology at different temporal scales of Atlantic bonito (Sarda sarda), little tunny (Euthynnus alletteratus) and swordfish (Xiphias gladius) in the north-western Mediterranean Sea. To quantify the trophic habits of these three species, we used stable isotopic analysis and isotopic mixing models from different tissues that integrate trophic information at different temporal scales (~1 month for liver, ~ several months for muscle, >1 year for fin). We found clear and consistent differences in the trophic habits among the three species and time spans within the same species. Although preying mainly on clupeiforms, Atlantic bonito and little tunny present a temporal segregation in the species preference, with Atlantic bonito preying mainly on European sardine and round sardinella at long-term, while little tunny preyed mainly on European anchovy. In the other hand, swordfish shows a more generalist trophic strategy with high preference for demersal prey. This study emphasises the utility of this integrative approach for trophic studies due to its capacity for monitoring trophic habits over different time spanses_ES
dc.description.sponsorshipJ.N. was supported by the Spanish National Program Ramon y Cajal (RYC-2015-17809). This study is a contribution to the project PELWEB (CTM 2017-88939-R, Ministry of Science and Innovation, Spain) and to the Master-thesis of PESes_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relationMICIU/ICTI2017-2020/CTM2017-88939-Res_ES
dc.relation.isversionofPreprintes_ES
dc.rightsopenAccesses_ES
dc.subjectForaging ecologyes_ES
dc.subjectLarge pelagic fishes_ES
dc.subjectLong-termes_ES
dc.subjectStable isotopeses_ES
dc.subjectTrophic ecologyes_ES
dc.subjectMarine predatorses_ES
dc.titleTrophic strategies of three predatory pelagic fish coexisting in the north-western Mediterranean Sea over different time spanses_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.ecss.2020.107040-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1016/j.ecss.2020.107040-
dc.rights.licensehttps://www.elsevier.com/about/policies/sharinges_ES
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
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