Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/42414
DC FieldValueLanguage
dc.contributor.authorArregui Gil, Marinaen_US
dc.contributor.authorBorrell, Asuncionen_US
dc.contributor.authorVikingsson, Gislien_US
dc.contributor.authorOlafsdottir, Droplaugen_US
dc.contributor.authorAguilar, Alexen_US
dc.date.accessioned2018-11-12T10:31:50Z-
dc.date.available2018-11-12T10:31:50Z-
dc.date.issued2018en_US
dc.identifier.issn0824-0469en_US
dc.identifier.urihttp://hdl.handle.net/10553/42414-
dc.description.abstractIn cetaceans, stable isotope analysis of tissues overcomes some of the potential biases encountered in studies of diet based on stomach content or fecal analysis. However, stable isotope ratios of tissues are only indicative of long-term feeding and may be misleading when recent shifts in prey consumption have occurred. Stable isotope ratios of feces stand as a potential alternative source for resolving short-term diet, but may be biased by digestive enzymes and bacteria. We investigate whether fecal stable isotope ratios of freshly dead fin whales are consistent with those of the main food found in their stomachs (krill) and with those of other potential prey. Results show that stable isotope ratios of krill remain unaltered after their transit along the digestive tract and, therefore, values in feces are reliable indicators of this prey consumption. In addition, the low isotope ratios of feces that visually appeared to contain only fish remains revealed a substantial contribution of krill in the digested food. This demonstrates that macroscopic gross fecal analysis may be misleading because less digestible components, like fish bones, may be overrepresented. We conclude that stable isotope ratios of feces contribute significant information to other techniques for short-term diet reconstruction.en_US
dc.languageengen_US
dc.relation.ispartofMarine Mammal Scienceen_US
dc.sourceMarine Mammal Science [ISSN 0824-0469], v. 34 (4), p. 1059-1069, (Octubre 2018)en_US
dc.subject240119 Zoología marinaen_US
dc.subject310906 Nutriciónen_US
dc.subject.otherFin whaleen_US
dc.subject.otherBalaenoptera physalusen_US
dc.subject.otherIcelanden_US
dc.subject.otherFeedingen_US
dc.titleStable isotope analysis of fecal material provides insight into the diet of fin whalesen_US
dc.typeinfo:eu-repo/semantics/Articleen_US
dc.typeArticleen_US
dc.identifier.doi10.1111/mms.12504en_US
dc.identifier.scopus85044391084-
dc.identifier.isi000448183700009-
dc.contributor.authorscopusid57196123112-
dc.contributor.authorscopusid7004925435-
dc.contributor.authorscopusid6507637711-
dc.contributor.authorscopusid6506444752-
dc.contributor.authorscopusid7102047003-
dc.description.lastpage1069en_US
dc.identifier.issue4-
dc.description.firstpage1059en_US
dc.relation.volume34en_US
dc.investigacionCiencias de la Saluden_US
dc.type2Artículoen_US
local.message.claim2022-11-20T18:33:36.363+0000|||rp00536|||submit_approve|||dc_contributor_author|||None*
dc.contributor.daisngid18706139-
dc.contributor.daisngid540505-
dc.contributor.daisngid1294074-
dc.contributor.daisngid5546282-
dc.contributor.daisngid152226-
dc.utils.revisionen_US
dc.contributor.wosstandardWOS:Arregui, M-
dc.contributor.wosstandardWOS:Borrell, A-
dc.contributor.wosstandardWOS:Vikingsson, G-
dc.contributor.wosstandardWOS:Olafsdottir, D-
dc.contributor.wosstandardWOS:Aguilar, A-
dc.date.coverdateOctubre 2018en_US
dc.identifier.ulpgcen_US
dc.contributor.buulpgcBU-VETen_US
dc.description.sjr1,102-
dc.description.jcr2,018-
dc.description.sjrqQ1-
dc.description.jcrqQ1-
dc.description.scieSCIE-
item.grantfulltextnone-
item.fulltextSin texto completo-
crisitem.author.deptGIR IUSA-ONEHEALTH 3: Histología y Patología Veterinaria y Forense (Terrestre y Marina)-
crisitem.author.deptIU de Sanidad Animal y Seguridad Alimentaria-
crisitem.author.orcid0000-0002-5954-0322-
crisitem.author.parentorgIU de Sanidad Animal y Seguridad Alimentaria-
crisitem.author.fullNameArregui Gil, Marina-
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