{"refrec":{"BRefID":6351,"RR":"<b>Caçador, M.I.; Madureira, M.J.; Vale, C.</b> (2000). Effects of plant roots on salt-marsh sediment geochemistry, <b><i>in</i></b>: Flemming, B.W. <i>et al.</i> (Ed.) <i>Muddy coast dynamics and resource management. Proceedings in Marine Science,</i> 2: pp. 197-204","BEntID":6351,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":null,"RefStringPartII":", <b><i>in</i></b>: Flemming, B.W. <i>et al.</i> <i>Muddy coast dynamics and resource management. Proceedings in Marine Science,</i> 2: pp. 197-204","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Caçador, M.I.; Madureira, M.J.; Vale, C.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Caçador, M.I.; Madureira, M.J.; Vale, C.","Englishabstract":"Sediment cores were collected in two salt marshes of the Tagus estuary in vegetated and non-vegetated areas. E<sub>H</sub> and pH were measured in loco whereas zinc, lead, sulphate and acid volatile sulphides were determined in the laboratory. The results show the direct influence of vascular plants on the sedimentary chemistry. Sediments containing higher root density are more oxidative and acid, enriched in zinc and lead, and sulphur is mainly in oxidised forms. The amount of oxidants released from the living roots seems to be sufficient to avoid the net consumption of sulphate. Zinc and Pb are in low reactive forms, which implies a temporary immobilisation in the vegetated sediments.","AbstractOtherLang":null,"BibLvlCode":"AMS","StandardTitle":"Effects of plant roots on salt-marsh sediment geochemistry","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":2000,"MonPub":null,"DateUpdate":"2003-01-07","DateCreate":"2001-02-27","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":6351,"PubliDate":2000,"Pagination":"197-204","XtraPublOfAnaID":null,"ISBN":"0-444-50464-8","Volume":"2","Issue":null,"BRefMon":6337,"BRefMonRR":"<b>Flemming, B.W.; Delafontaine, M.T.; Liebezeit, G. (Ed.)</b> (2000). 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