{"refrec":{"BRefID":142103,"RR":"<b>De Brabandere, L.; Brion, N.; Elskens, M.; Baeyens, W.; Dehairs, F.</b> (2007). d<sup>15</sup>N dynamics of ammonium and particulate nitrogen in a temperate eutrophic estuary. <i>Biogeochemistry 82(1)</i>: 1-14. <a href=\"http://dx.doi.org/10.1007/s10533-006-9047-1\" target=\"_blank\">http://dx.doi.org/10.1007/s10533-006-9047-1</a>","BEntID":135351,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Biogeochemistry 82(1)</i>: 1-14. <a href=\"http://dx.doi.org/10.1007/s10533-006-9047-1\" target=\"_blank\">http://dx.doi.org/10.1007/s10533-006-9047-1</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"De Brabandere, L.; Brion, N.; Elskens, M.; Baeyens, W.; Dehairs, F.","OrigTitleTranslFlag":0,"Authorstringtrunc":"De Brabandere, L. <i>et al.</i>","Englishabstract":"We monitored the stable nitrogen isotopic composition (d<sup class=\"a-plus-plus\">15</sup>N) of suspended matter and ammonium in the freshwater stretch of the Scheldt estuary (Belgium) over a full year to investigate for seasonal evolution and possible co-variation between isotopic signatures. The d<sup class=\"a-plus-plus\">15</sup>N value of ammonium remained rather constant during winter (average = +11.4‰) but increased significantly with the spring and summer bloom, reaching values as high as +70‰. This enrichment of the ammonium pool in <sup class=\"a-plus-plus\">15</sup>N coincided with significant ammonium depletion during summer period, suggesting a close causal relationship. Based on a semi-closed system approach we deduced an apparent fractionation factor associated with NH<span class=\"a-plus-plus stack\"><sub class=\"a-plus-plus\">4</sub><sup class=\"a-plus-plus\">+</sup></span> utilization (i.e. combining effects of uptake and nitrification) of 18.4‰ (SE = 2.0‰), which is similar to values reported in literature. Observed variations of ammonium d<sup class=\"a-plus-plus\">15</sup>N could account for about 69% of d<sup class=\"a-plus-plus\">15</sup>N variation in suspended matter.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"d<sup>15</sup>N dynamics of ammonium and particulate nitrogen in a temperate eutrophic estuary","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":"Ammonium, Fractionation, Scheldt estuary, Stable isotopes","OtherDescriptors":null,"Notes":null,"AnaPub":2007,"MonPub":null,"DateUpdate":"2014-01-27","DateCreate":"2009-11-17","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000244070900001","VABBcode":null,"OpenAcc":1,"DOI":"10.1007/s10533-006-9047-1"},"refs":null,"anarec":{"AnaID":142103,"PubliDate":2007,"Pagination":"1-14","XtraPublOfAnaID":null,"ISBN":null,"Volume":"82","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45092,"SerRR":"Biogeochemistry. 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ISSN 0168-2563; e-ISSN 1573-515X","StandardTitleSer":"Biogeochemistry","ISSN":"0168-2563","AbbrevSer":"Biogeochemistry","StandardTitleMon":null,"StartPage":1,"Pages":14,"ToPubliDate":null,"BRefBibLvlCode":"S","SerNotes":null},"monrec":null,"serrec":null,"relations":null,"relationsRev":null,"addrec":null,"othpubs":null,"ownerships":null,"authors":[{"AutName":"De Brabandere","Firstname":"Loreto","Initials":"L.","Affiliation":"Laboratory of Analytical and Environmental Chemistry, Vrije Universiteit Brussel","Discriminator":null,"CorporateFlag":0,"BEntID":135351,"AutID":144779,"OrderNr":1,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":"AMGC","InsFSN":"Vrije Universiteit Brussel; Faculteit Wetenschappen & Bio-ingenieurswetenschappen; Vakgroep Chemie; Analytical, Environmental and Geochemistry","ORCID":null,"PersID":2320,"InsID":40},{"AutName":"Brion","Firstname":"Natacha","Initials":"N.","Affiliation":"Laboratory of Analytical and Environmental Chemistry, Vrije Universiteit Brussel","Discriminator":null,"CorporateFlag":0,"BEntID":135351,"AutID":174495,"OrderNr":2,"DegrID":null,"EditorFlag":0,"CorrespFlag":0,"IllustratorFlag":0,"ReviserFlag":0,"TranslatorFlag":0,"InsAcronym":"AMGC","InsFSN":"Vrije Universiteit Brussel; 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