{"refrec":{"BRefID":246828,"RR":"<b>Mendez-Fernandez, L; De Jonge, M.; Bervoets, L.</b> (2014). Influences of sediment geochemistry on metal accumulation rates and toxicity in the aquatic oligochaete <i>Tubifex tubifex</i>. <i>Aquat. Toxicol. 157</i>: 109-119. <a href=\"http://dx.doi.org/10.1016/j.aquatox.2014.10.009\" target=\"_blank\">dx.doi.org/10.1016/j.aquatox.2014.10.009</a>","BEntID":238528,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Aquat. Toxicol. 157</i>: 109-119. <a href=\"https://dx.doi.org/10.1016/j.aquatox.2014.10.009\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquatox.2014.10.009</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Mendez-Fernandez, L; De Jonge, M.; Bervoets, L.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Mendez-Fernandez, L <i>et al.</i>","Englishabstract":"Metal bioaccumulation and toxicity in the aquatic oligochaete <i>Tubifex tubifex</i> exposed to three metal-contaminated field-sediments was studied in order to assess whether sediment-geochemistry (AVS, TOC) plays a major role in influencing these parameters, and to assess if the biodynamic concept can be used to explain observed effects in <i>T. tubifex</i> tissue residues and/or toxicity. An active autotomy promotion was observed in three studied sediments at different time points and reproduction impairment could be inferred in <i>T. tubifex</i> exposed to two of the tested sites after 28 days. The present study showed that sediment metal concentration and tissue residues followed significant regression models for four essential metals (Cu, Co, Ni and Zn) and one non-essential metal (Pb). Organic content normalization for As also showed a significant relationship with As tissue residue. Porewater was also revealed to be an important source of metal uptake for essential metals (e.g. Cu, Ni and Zn) and for As, but AVS content was not relevant for metal uptake in <i>T. tubifex</i> in studied sediments. Under the biodynamic concept, it was shown that influx rate from food (<i>I</i><sub>F</sub>, sediment ingestion) in <i>T. tubifex</i>, in a range of sediment geochemistry, was able to predict metal bioaccumulation, especially of the essential metals Cu, Ni and Zn, and for the non-essential metal Pb. Additionally, <i>I</i><sub>F</sub> appeared to be a better predictor for metal bioaccumulation in <i>T. tubifex</i> compared to sediment geochemistry normalization.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Influences of sediment geochemistry on metal accumulation rates and toxicity in the aquatic oligochaete <i>Tubifex tubifex</i>","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":"Metals; Bioaccumulation; Sediment geochemistry; Biodynamic model;Oligochaeta","OtherDescriptors":null,"Notes":null,"AnaPub":2014,"MonPub":null,"DateUpdate":"2015-10-28","DateCreate":"2015-05-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000346547800012","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.aquatox.2014.10.009"},"refs":null,"anarec":{"AnaID":246828,"PubliDate":2014,"Pagination":"109-119","XtraPublOfAnaID":null,"ISBN":null,"Volume":"157","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42203,"SerRR":"Aquatic Toxicology. 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