{"refrec":{"BRefID":119325,"RR":"<b>Fourgon, D.; Lepoint, G.; Eeckhaut, I.</b> (2006). Assessment of trophic relationships between symbiotic tropical ophiuroids using C and N stable isotope analysis. <i>J. Mar. Biol. Ass. U.K. 86(6)</i>: 1443-1447. <a href=\"http://dx.doi.org/10.1017/S0025315406014494\" target=\"_blank\">dx.doi.org/10.1017/S0025315406014494</a>","BEntID":113566,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Mar. Biol. Ass. U.K. 86(6)</i>: 1443-1447. <a href=\"https://dx.doi.org/10.1017/S0025315406014494\" target=\"_blank\">https://dx.doi.org/10.1017/S0025315406014494</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Fourgon, D.; Lepoint, G.; Eeckhaut, I.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Fourgon, D. <i>et al.</i>","Englishabstract":"Analyses of the natural abundance of carbon and nitrogen stable isotopes were performed to investigate the feeding habits of two ophiuroids, <i>Ophiomastix venosa</i> and <i>Ophiocoma scolopendrina</i>, and to assess the potential benefit obtained by the symbiotic <i>Ophiomastix venosa</i> juveniles. A tracer experiment was also carried out to clarify the contribution of algae to the nitrogen uptake amongst the tested ophiuroids. Our results suggest that <i>Ophiocoma scolopendrina</i> adults occupy a higher position in the food web than <i>Ophiomastix venosa</i> and mainly feed on neuston. In contrast, <i>O. venosa</i> adults feed on the alga <i>Sargassum densifolium</i> and on organic matter associated with sediment. Free juveniles and symbiotic juveniles of <i>O. venosa</i> have intermediate d<sup>13</sup>C values between both adult species. The high proportion of <sup>13</sup>C in the symbiotic juveniles compared to the one in their conspecific adults indicates that their diet slightly differs from the latter and is closer to that of <i>Ophiocoma scolopendrina</i>. This raises the hypothesis that symbiotic juveniles steal neuston from their associated host, <i>O. scolopendrina</i>.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Assessment of trophic relationships between symbiotic tropical ophiuroids using C and N stable isotope analysis","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:32:52.928458","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2006,"MonPub":null,"DateUpdate":"2015-11-06","DateCreate":"2008-01-31","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000243940600022","VABBcode":null,"OpenAcc":0,"DOI":"10.1017/S0025315406014494"},"refs":null,"anarec":{"AnaID":119325,"PubliDate":2006,"Pagination":"1443-1447","XtraPublOfAnaID":null,"ISBN":null,"Volume":"86","Issue":"6","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43277,"SerRR":"Journal of the Marine Biological Association of the United Kingdom. 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