{"refrec":{"BRefID":217766,"RR":"<b>Gao, Y.; Leermakers, M.; Pede, A.; Magnier, A.; Sabbe, K.; Louriño Cabana, B.; Billon, G.; Baeyens, W.; Gillan, D.C.</b> (2012). Response of diffusive equilibrium in thin films (DET) and diffusive gradients in thin films (DGT) trace metal profiles in sediments to phytodetritus mineralisation. <i>Environ. Chem. 9(1)</i>: 41-47. <a href=\"http://dx.doi.org/10.1071/EN11075\" target=\"_blank\">http://dx.doi.org/10.1071/EN11075</a>","BEntID":209511,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Environ. Chem. 9(1)</i>: 41-47. <a href=\"http://dx.doi.org/10.1071/EN11075\" target=\"_blank\">http://dx.doi.org/10.1071/EN11075</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Gao, Y.; Leermakers, M.; Pede, A.; Magnier, A.; Sabbe, K.; Louriño Cabana, B.; Billon, G.; Baeyens, W.; Gillan, D.C.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Gao, Y. <i>et al.</i>","Englishabstract":"Field data from the Belgian Continental Zone showed elevated trace metal concentrations at the sediment–water interface after the occurrence of a phytoplankton bloom. In the present study, laboratory incubation experiments were used to investigate the effect of the phytodetritus remineralisation process on the release of trace metals from contaminated muddy sediments. This remineralisation process was followed by the measurement of chlorophyll-a and dissolved organic carbon levels in the top sediment layers. Two gel techniques, diffusive equilibrium in thin films (DET) and diffusive gradients in thin films (DGT), were used to assess vertical metal profiles in the sediment pore waters and to calculate the metal effluxes. These metal effluxes compared very well with the trace metal concentration variations in the overlying water of the sediment. Much higher effluxes of Mn, Co and As were observed after 2 days of incubation in the microcosms which received additions of phytodetritus. This trend gradually decreased after 7 days of incubation, suggesting that the elevated efflux of trace metals was proportional to the quantity of phytodetritus mineralised at the sediment–water interface. The release of large amounts of toxic elements from the sediments after phytoplankton blooms can therefore potentially affect the marine ecosystem in the Belgian Continental Zone.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Response of diffusive equilibrium in thin films (DET) and diffusive gradients in thin films (DGT) trace metal profiles in sediments to phytodetritus mineralisation","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-21 01:31:57.827069","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"effluxes; incubation experiments; phytoplankton bloom","OtherDescriptors":null,"Notes":null,"AnaPub":2012,"MonPub":null,"DateUpdate":"2014-11-28","DateCreate":"2012-08-30","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000300656800007","VABBcode":null,"OpenAcc":0,"DOI":"10.1071/EN11075"},"refs":null,"anarec":{"AnaID":217766,"PubliDate":2012,"Pagination":"41-47","XtraPublOfAnaID":null,"ISBN":null,"Volume":"9","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":78340,"SerRR":"Environmental Chemistry. 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