{"refrec":{"BRefID":230821,"RR":"<b>Dietz, M.W.; Piersma, T.; Dekinga, A.; Korthals, H.; Klaassen, M.</b> (2013). Unusual patterns in <super>15</super>N blood values after a diet switch in red knot shorebirds. <i>Isot. Environ. Healt. S. 49(2)</i>: 283-292. <a href=\"http://dx.doi.org/10.1080/10256016.2013.776045\" target=\"_blank\">dx.doi.org/10.1080/10256016.2013.776045</a>","BEntID":222533,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Isot. Environ. Healt. S. 49(2)</i>: 283-292. <a href=\"https://dx.doi.org/10.1080/10256016.2013.776045\" target=\"_blank\">https://dx.doi.org/10.1080/10256016.2013.776045</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Dietz, M.W.; Piersma, T.; Dekinga, A.; Korthals, H.; Klaassen, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Dietz, M.W. <i>et al.</i>","Englishabstract":"When a diet switch results in a change in dietary isotopic values, isotope ratios of the consumer's tissues will change until a new equilibrium is reached. This change is generally best described by an exponential decay curve. Indeed, after a diet switch in captive red knot shorebirds (Calidris canutus islandica), the depletion of C-13 in both blood cells and plasma followed an exponential decay curve. Surprisingly, the diet switch with a dietary N-15/N-14 ratio (N-15) change from 11.4 to 8.8 parts per thousand had little effect on N-15 in the same tissues. The diet-plasma and diet-cellular discrimination factors of N-15 with the initial diet were very low (0.5 and 0.2 parts per thousand, respectively). N-15 in blood cells and plasma decreased linearly with increasing body mass, explaining about 40 % of the variation in N-15. N-15 in plasma also decreased with increasing body-mass change (r(2)=.07). This suggests that the unusual variation in N-15 with time after the diet switch was due to interferences with simultaneous changes in body-protein turnover.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Unusual patterns in <super>15</super>N blood values after a diet switch in red knot shorebirds","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":"blood cells; diet switch; discrimination factor; nitrogen-15; plasma;regression model; shorebirds; turnover rate","OtherDescriptors":null,"Notes":null,"AnaPub":2013,"MonPub":null,"DateUpdate":"2014-09-30","DateCreate":"2013-12-01","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000320017800013","VABBcode":null,"OpenAcc":0,"DOI":"10.1080/10256016.2013.776045"},"refs":null,"anarec":{"AnaID":230821,"PubliDate":2013,"Pagination":"283-292","XtraPublOfAnaID":null,"ISBN":null,"Volume":"49","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45738,"SerRR":"Isotopes in Environmental and Health Studies. 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