{"refrec":{"BRefID":330907,"RR":"<b>van Dijk, I.; de Nooijer, L.J.; Barras, C.; Reichart, G.-J.</b> (2020). Mn incorporation in large benthic foraminifera: differences between species and the impact of <i>p</i>CO<sub>2</sub>. <i>Front. Earth Sci. 8</i>: 567701. <a href=\"https://doi.org/10.3389/feart.2020.567701\" target=\"_blank\">https://doi.org/10.3389/feart.2020.567701</a>","BEntID":324518,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Front. Earth Sci. 8</i>: 567701. <a href=\"https://doi.org/10.3389/feart.2020.567701\" target=\"_blank\">https://doi.org/10.3389/feart.2020.567701</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"van Dijk, I.; de Nooijer, L.J.; Barras, C.; Reichart, G.-J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"van Dijk, I. <i>et al.</i>","Englishabstract":"Element concentrations of calcite precipitated by foraminifera reflect    chemical and physical properties of seawater and can therefore be used to    reconstruct (paleo-)environmental conditions. Foraminiferal carbonate    associated manganese incorporation (expressed here as Mn/Ca) is a potential    proxy for seawater oxygenation, although the impacts of other environmental    parameters need to be quantified before Mn/Ca can be robustly applied. Here    we report the isolated impact of seawater carbonate chemistry on manganese    incorporation in the shells of two large symbiont-bearing benthic    foraminiferal species. Moreover, we investigated the role of    biomineralization on manganese incorporation by using species withcontrasting calcification pathways: the hyaline species<i>Amphistegina gibbosa</i> and the porcelaneous species    <i>Sorites marginalis</i>. Furthermore, analyzing shells from a wide range    of species grown under identical conditions allowed assessment of    species-specific Mn incorporation in other foraminiferal species. Our    observations show that species specific differences in biomineralization    strategies are the dominant factor determining Mn content. Shells from    porcelaneous species, with relatively high Mg contents, are generally also    enriched in Mn compared to low-Mg/Ca foraminifera. Superimposed on the    effect of biomineralization, chemical speciation of elements in seawater as    a function of <i>p</i>CO<sub>2</sub> also affects their incorporation.    Whereas the impact of the carbonate system is limited, the inter-specific    differences call for species specific calibrations in order to use Mn    uptake as a (paleo-)oxygenation proxy.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Mn incorporation in large benthic foraminifera: differences between species and the impact of <i>p</i>CO<sub>2</sub>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-21 01:32:57.019869","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"foraminifera; manganese; carbon chemistry; <em>p</em>CO<sub>2</sub>; proxy development","OtherDescriptors":null,"Notes":null,"AnaPub":2020,"MonPub":null,"DateUpdate":"2020-11-16","DateCreate":"2020-11-13","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000579226900001","VABBcode":null,"OpenAcc":1,"DOI":"10.3389/feart.2020.567701"},"refs":null,"anarec":{"AnaID":330907,"PubliDate":2020,"Pagination":"567701","XtraPublOfAnaID":null,"ISBN":null,"Volume":"8","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":286286,"SerRR":"Frontiers in Earth Science. 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