{"refrec":{"BRefID":223795,"RR":"<b>Rombouts, L.P.</b> (1982). Factors controlling the distribution of Chitinozoa in the Gleedon chronozone (Wenlockian) of Northern Europe. <i>Ann. Soc. géol. Belg. (1968) 105(2)</i>: 259-271","BEntID":215518,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":". <i>Ann. Soc. Géol. Belg. (1968) 105(2)</i>: 259-271","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Rombouts, L.P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Rombouts, L.P.","Englishabstract":"Samples were collected along a chronohorizon defined by the transition between the Wenlockian (Gleedon Chronozone) graptolite zones of <i>Gothograptus nassa</i> and <i>Monograptus ludensis</i> in several northern European localities to evaluate the influence of large scale provincialism and local habitat on the distribution of Chitinozoa. The distribution of Chitinozoa and several environmental parameters based on a number of palaeontological, chemical and physical variables were submitted to Q- and R-mode factor analyses. Provincialism does not seem to influence the distribution of Chitinozoa in the localities considered. The distribution of <i>Conochitina</i> is controlled by physicochemical factors related to bottom conditions; from this a benthonic habitat can be inferred. The distribution of <i>Linochitina, Ancyrochitina</i> and <i>Sphaerochitina</i> appears to be controlled by biological factors, independent of bottom conditions and thus indicating a planktonic habitat. The increase of <i>Linochitina</i> forms in a stratigraphic column is shown to represent a transgressive trend.","AbstractOtherLang":"Nous avons voulu ici contrôler la répartition des Chitinozoaires suivant un même horizon chronostratigraphique en Europe occidentale, en l'occurrence la transition entre deux zones à graptolithes du Wenlockien-Gleedon : z. à <i>Gothograptus nassa</i> et z. à <i>Monograptus ludensis</i>. Nous pensons ainsi pouvoir évaluer l'influence du provincialisme d'une part et celle du milieu local d'autre part, sur la composition des assemblages. Nous avons soumis un ensemble de données analytiques, de variables paléontologiques et de paramètres physico-chimiques à l'analyse factorielle Q et R. Il ne s'en dégage aucune intervention marquante du provincialisme, milieu et mode de vie étant les facteurs prédominants. <i>Conochitina</i> voit sa distribution liée aux conditions du fond marin et était donc probablement benthique. <i>Linochitina, Ancyrochitina</i> et <i>Sphaerochitina</i> paraissent indépendants du milieu de sédimentation et étaient sans doute planctoniques. Enrichissement en <i>Linochitina</i> et transgression marine paraissent aller de pair.","BibLvlCode":"AS","StandardTitle":"Factors controlling the distribution of Chitinozoa in the Gleedon chronozone (Wenlockian) of Northern Europe","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-30 01:31:18.204736","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1982,"MonPub":null,"DateUpdate":"2014-10-16","DateCreate":"2013-03-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":223795,"PubliDate":1982,"Pagination":"259-271","XtraPublOfAnaID":null,"ISBN":null,"Volume":"105","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45503,"SerRR":"Annales de la Société géologique de Belgique. Vaillant-Carmanne: Liège.  ISSN 0037-9395","StandardTitleSer":"Annales de la Société géologique de Belgique","ISSN":"0037-9395","AbbrevSer":"Ann. Soc. Géol. Belg. 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