{"refrec":{"BRefID":142429,"RR":"<b>Domi, N.; Bouquegneau, J.-M.; Das, K.</b> (2005). Feeding ecology of five commercial shark species of the Celtic Sea through stable isotope and trace metal analysis. <i>Mar. Environ. Res. 60(5)</i>: 551-569. <a href=\"http://dx.doi.org/10.1016/j.marenvres.2005.03.001\" target=\"_blank\">dx.doi.org/10.1016/j.marenvres.2005.03.001</a>","BEntID":135635,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Mar. Environ. Res. 60(5)</i>: 551-569. <a href=\"https://dx.doi.org/10.1016/j.marenvres.2005.03.001\" target=\"_blank\">https://dx.doi.org/10.1016/j.marenvres.2005.03.001</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Domi, N.; Bouquegneau, J.-M.; Das, K.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Domi, N. <i>et al.</i>","Englishabstract":"In order to trace their feeding habits, stable carbon and nitrogen isotope ratios (<i>d</i><sup>15</sup>N and <i>d</i><sup>13</sup>C), as well as trace metal concentrations (Zn, Cd, Fe, Cu, Se and Hg) were analysed in the tissues of five commercial shark species from the Celtic Sea: the tope shark <i>Galeorhinus galeus</i>, the black-mouthed catshark <i>Galeus melastomus</i>, the starry smooth hound <i>Mustelus asterias</i>, the spiny dogfish <i>Squalus acanthias</i> and the lesser-spotted dogfish <i>Scyliorhinus canicula</i>. Our results were compared to previously described stomach contents and isotopic composition of potential preys. Isotopic ratio <i>d</i><sup>15</sup>N suggested that tope sharks fed at a higher trophic level (16.7‰ in the muscle) than the other species, reflecting its piscivorous diet. The lower values of spiny dogfish (11.6‰ in the muscle) might be explained, amongst other things, by either its migratory behaviour or its preference for preys from lower trophic levels. Cd and Hg were correlated with isotopic ratios <i>d</i><sup>13</sup>C and <i>d</i><sup>15</sup>N, and were shown to be diet-related whereas Zn, Fe and Cu seemed much more linked to species-specific metabolism. Although this multidisciplinary approach is revealed as a useful tool for the study of shark ecology, the lack of known trophic fractionation suggests that isotopic data be compared to traditional diet analyses.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Feeding ecology of five commercial shark species of the Celtic Sea through stable isotope and trace metal analysis","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-02 08:33:14.980000","timezone_type":1,"timezone":"+00:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"elasmobranchs; stable isotopes; trace metals; trophic level; Celtic Sea; Galeorhinus galeus; Galeus melastomus; Mustelus asterias; Squalus acanthias; Scyliorhinus canicula","OtherDescriptors":null,"Notes":null,"AnaPub":2005,"MonPub":null,"DateUpdate":"2012-04-03","DateCreate":"2009-12-08","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000230978200002","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.marenvres.2005.03.001"},"refs":null,"anarec":{"AnaID":142429,"PubliDate":2005,"Pagination":"551-569","XtraPublOfAnaID":null,"ISBN":null,"Volume":"60","Issue":"5","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43357,"SerRR":"Marine Environmental Research. 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