{"refrec":{"BRefID":347680,"RR":"<b>Buchanan, P.J.; Aumont, O.; Bopp, L.; Mahaffey, C.; Tagliabue, A.</b> (2021). Impact of intensifying nitrogen limitation on ocean net primary production is fingerprinted by nitrogen isotopes. <i>Nature Comm. 12(1)</i>: 6214. <a href=\"https://dx.doi.org/10.1038/s41467-021-26552-w\" target=\"_blank\">https://dx.doi.org/10.1038/s41467-021-26552-w</a>","BEntID":344372,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Nature Comm. 12(1)</i>: 6214. <a href=\"https://dx.doi.org/10.1038/s41467-021-26552-w\" target=\"_blank\">https://dx.doi.org/10.1038/s41467-021-26552-w</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Buchanan, P.J.; Aumont, O.; Bopp, L.; Mahaffey, C.; Tagliabue, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Buchanan, P.J. <i>et al.</i>","Englishabstract":"The open ocean nitrogen cycle is being altered by increases in anthropogenic atmospheric nitrogen deposition and climate change. How the nitrogen cycle responds will determine long-term trends in net primary production (NPP) in the nitrogen-limited low latitude ocean, but is poorly constrained by uncertainty in how the source-sink balance will evolve. Here we show that intensifying nitrogen limitation of phytoplankton, associated with near-term reductions in NPP, causes detectable declines in nitrogen isotopes (δ<sup>15</sup>N) and constitutes the primary perturbation of the 21<sup>st</sup> century nitrogen cycle. Model experiments show that ~75% of the low latitude twilight zone develops anomalously low δ<sup>15</sup>N by 2060, predominantly due to the effects of climate change that alter ocean circulation, with implications for the nitrogen source-sink balance. Our results highlight that δ<sup>15</sup>N changes in the low latitude twilight zone may provide a useful constraint on emerging changes to nitrogen limitation and NPP over the 21<sup>st</sup> century.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Impact of intensifying nitrogen limitation on ocean net primary production is fingerprinted by nitrogen isotopes","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-13 01:31:51.762521","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2021,"MonPub":null,"DateUpdate":"2021-11-30","DateCreate":"2021-11-30","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000712527000013","VABBcode":null,"OpenAcc":1,"DOI":"10.1038/s41467-021-26552-w"},"refs":null,"anarec":{"AnaID":347680,"PubliDate":2021,"Pagination":"6214","XtraPublOfAnaID":null,"ISBN":null,"Volume":"12","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":198717,"SerRR":"Nature Communications. 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