{"refrec":{"BRefID":238107,"RR":"<b>Bisi, T.L.; Dorneles, P.R.; Lailson-Brito, J.; Lepoint, G.; Azevedo, A.D.F.; Flach, L.; Malm, O.; Das, K.</b> (2013). Trophic relationships and habitat preferences of Delphinids from the Southeastern Brazilian Coast determined by Carbon and Nitrogen Stable Isotope Composition. <i>PLoS One 8(12)</i>: 1-8. <a href=\"http://dx.doi.org/10.1371/journal.pone.0082205\" target=\"_blank\">dx.doi.org/10.1371/journal.pone.0082205</a>","BEntID":229794,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>PLoS One 8(12)</i>: 1-8. <a href=\"https://dx.doi.org/10.1371/journal.pone.0082205\" target=\"_blank\">https://dx.doi.org/10.1371/journal.pone.0082205</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Bisi, T.L.; Dorneles, P.R.; Lailson-Brito, J.; Lepoint, G.; Azevedo, A.D.F.; Flach, L.; Malm, O.; Das, K.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Bisi, T.L. <i>et al.</i>","Englishabstract":"To investigate the foraging habitats of delphinids in southeastern Brazil, we analyzed stable carbon (d<sup>13</sup>C) and nitrogen (d<sup>15</sup>N) isotopes in muscle samples of the following 10 delphinid species: <i>Sotalia guianensis</i>, <i>Stenella frontalis, Tursiops truncatus, Steno bredanensis, Pseudorca crassidens</i>, <i>Delphinus</i> sp., <i>Lagenodelphis hosei, Stenella attenuata, Stenella longirostris</i> and <i>Grampus griseus</i>. We also compared the d<sup>13</sup>C and d<sup>15</sup>N values among four populations of <i>S. guianensis</i>. Variation in carbon isotope results from coast to ocean indicated that there was a significant decrease in d<sup>13</sup>C values from estuarine dolphins to oceanic species. <i>S. guianensis</i> from Guanabara Bay had the highest mean d<sup>13</sup>C value, while oceanic species showed significantly lower d<sup>13</sup>C values. The highest d<sup>15</sup>N values were observed for <i>P. crassidens</i> and <i>T. truncatus</i>, suggesting that these species occupy the highest trophic position among the delphinids studied here. The oceanic species <i>S. attenuata</i>, <i>G. griseus</i> and <i>L. hosei</i> had the lowest d<sup>15</sup>N values. Stable isotope analysis showed that the three populations of <i>S. guianensis</i> in coastal bays had different d<sup>13</sup>C values, but similar d<sup>15</sup>N results. Guiana dolphins from Sepetiba and Ilha Grande bays had different foraging habitat, with specimens from Ilha Grande showing more negative d<sup>13</sup>C values. This study provides further information on the feeding ecology of delphinids occurring in southeastern Brazil, with evidence of distinctive foraging habitats and the occupation of different ecological niches by these species in the study area.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Trophic relationships and habitat preferences of Delphinids from the Southeastern Brazilian Coast determined by Carbon and Nitrogen Stable Isotope Composition","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2013,"MonPub":null,"DateUpdate":"2014-06-02","DateCreate":"2014-05-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000328735700044","VABBcode":null,"OpenAcc":1,"DOI":"10.1371/journal.pone.0082205"},"refs":null,"anarec":{"AnaID":238107,"PubliDate":2013,"Pagination":"1-8","XtraPublOfAnaID":null,"ISBN":null,"Volume":"8","Issue":"12","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":123954,"SerRR":"PLoS One. 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