{"refrec":{"BRefID":352866,"RR":"<b>Russell, D.G.; Kessler, A.J.; Wong, W.W.; van Oevelen, D.; Cook, P.L.M.</b> (2022). Constraining nitrogen sources to a seagrass-dominated coastal embayment by using an isotope mass balance approach. <i>Mar. Freshw. Res. 73(5)</i>: 703-709. <a href=\"https://dx.doi.org/10.1071/mf21320\" target=\"_blank\">https://dx.doi.org/10.1071/mf21320</a>","BEntID":350575,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Mar. Freshw. Res. 73(5)</i>: 703-709. <a href=\"https://dx.doi.org/10.1071/mf21320\" target=\"_blank\">https://dx.doi.org/10.1071/mf21320</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Russell, D.G.; Kessler, A.J.; Wong, W.W.; van Oevelen, D.; Cook, P.L.M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Russell, D.G. <i>et al.</i>","Englishabstract":"Nitrogen (N) is often the key nutrient limiting primary production in    coastal waters. Quantifying sources and sinks of N is therefore critical to    understanding the factors that underpin the productivity of coastal    ecosystems. Constraining nitrogen inputs can be difficult for some terms    such as N fixation and marine exchange as a consequence of uncertainties    associated with scaling and stochasticity. To help overcome these issues,    we undertook a N budget incorporating an isotope and mass balance to    constrain N sources in a large oligotrophic coastal embayment (Western    Port, Australia). The total N input to Western Port was calculated to be    1400 Mg N year<sup>−1</sup>, which is remarkably consistent with previous    estimates of sedimentation rates within the system. Catchment inputs, N    fixation, marine sources and atmospheric deposition comprised 44, 28, 28    and 13% of N inputs respectively. Retention of marine-derived N equated to    ~3 and ~10% of total N and NO<i><sub>x</sub></i> flushed through the system    from the marine end-member. The relatively high contribution of N fixation    compared with previous studies was most likely to be due to the high    proportion of nutrient-limited intertidal sediments where N is mediated by    seagrasses and sediment cyanobacteria.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Constraining nitrogen sources to a seagrass-dominated coastal embayment by using an isotope mass balance approach","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-19 01:32:16.127146","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"<sup>15</sup>N; denitrification; isotope; nitrogen; nitrogen budget; nitrogen fixation; seagrass; tidal flat","OtherDescriptors":null,"Notes":null,"AnaPub":2022,"MonPub":null,"DateUpdate":"2022-10-06","DateCreate":"2022-06-22","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000760892400001","VABBcode":null,"OpenAcc":1,"DOI":"10.1071/mf21320"},"refs":null,"anarec":{"AnaID":352866,"PubliDate":2022,"Pagination":"703-709","XtraPublOfAnaID":null,"ISBN":null,"Volume":"73","Issue":"5","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":71721,"SerRR":"Marine and Freshwater Research. 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