{"refrec":{"BRefID":209434,"RR":"<b>Mertens, K.; Vanneste, H.; Foubert, A. ; Louwye, S.; Hebbeln, D.</b> (2006). Biometry of late Quaternary coccoliths from the Southern Cadiz region. <i>Geophys. Res. Abstr. 8</i>: 07934","BEntID":201416,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":". <i>Geophys. Res. Abstr. 8</i>: 07934","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Mertens, K.; Vanneste, H.; Foubert, A. ; Louwye, S.; Hebbeln, D.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Mertens, K. <i>et al.</i>","Englishabstract":"The Cadiz region lies between the Iberian borderland and Morocco, west of the Strait of Gibraltar and the Western Mediterranean. Core GeoB9064-1 (35°24,91’N 6°50,72’W) is located in the southwest at a depth of 702 m, close to the Al Arraich mud volcano field 30 km off the Moroccan margin„ and has a length of 544 cm. Like most coastal regions, the southern Cadiz region is characterised by a coccolith assemblage dominated by the placoliths <i>Emiliania huxleyi</i> and <i>Gephyrocapsa muellerae</i>.Late Quaternary fluctuations are pronounced in this core, as shown by geochemical (TOC and CaC0<sub>3</sub>) and XRF analysis (K, Mg, Fe, etc.), but also in abundances of coccoliths and more particularly <i>Emiliania huxleyi</i>. These can be related to upwelling and/or bottom currents.Colmenero-Hidalgo (2002) has split up <i>Emiliania huxleyi</i> in a larger coldwater and smaller warmwater variety based on a 4 µm cut-off value. Colmenero-Hid algo (2004) identified a deglacial decrease in the larger coldwater variety.In this study, 100 <i>Emiliania huxleyi</i> and 100 <i>Gephyrocapsa muellerae</i> lengths were measured in 30 samples. Comparison of the biometry of <i>Emiliania huxleyi</i> and <i>Gephyrocapsa muellerae</i> shows that these both species have similar fluctuations and both become smaller during the Holocene, revealing the splitting of <i>Emiliania huxleyi</i> in two morphotypes, to be more complex. A new method to tackle this problem is proposed.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Biometry of late Quaternary coccoliths from the Southern Cadiz region","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":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2006,"MonPub":null,"DateUpdate":"2021-12-09","DateCreate":"2011-11-09","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":209434,"PubliDate":2006,"Pagination":"07934","XtraPublOfAnaID":null,"ISBN":null,"Volume":"8","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":77248,"SerRR":"Geophysical Research Abstracts. Copernicus: Katlenburg-Lindau.  ISSN 1029-7006; e-ISSN 1607-7962","StandardTitleSer":"Geophysical Research Abstracts","ISSN":"1029-7006","AbbrevSer":"Geophys. Res. 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