{"refrec":{"BRefID":14408,"RR":"<b>Kayser, H.</b> (1982). Cadmium effects in food chain experiments with marine plankton algae (Dinophyta) and benthic filter feeders (Tunicata). <i>Neth. J. Sea Res. 16</i>: 444-454","BEntID":14408,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":". <i>Neth. J. Sea Res. 16</i>: 444-454","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Kayser, H.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Kayser, H.","Englishabstract":"The dinoflagellate <i>Scrippsiella faeroense</i> was grown in continuous flow- through cultures (10 l turbidostats), the outflow leading into vessels containing tunicates of the species <i>Ciona intestinalis, Ascidiella aspersa, Molgula manhaltensis</i> and <i>Botryllus schlosseri</i>. The culture medium consisted of natural sea water enriched only with N and P components. CdCl<sub>2</sub> was added to the system at sublethal concentrations. Algal growth was affected at a Cd<sup>++</sup> concentration of 10 ug.l <sup>-1</sup>;sublethal toxicity thresholds of the tunicates ranged from 5 to 10 ug.l<sup>-1</sup>. Cad mium accumulation was much higer in the algae than in the tunicates; in spite of the continuous supply of relatively highly Cd contaminated algae, the Cd content of algae-fed tunicates increased insignificantly by comparison with unfed specimens. Only a small percentage of the Cd offered via the food algae was actually assimilated by the ascidians during the first 3 weeks of the experiment. Cd content of the tunicates remained almost constant for the next 2 weeks of the experiment, indicating that ingestion and excretion of the metal was at equilibrium. The concentration factor of Cd decreased through the trophic chain.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Cadmium effects in food chain experiments with marine plankton algae (Dinophyta) and benthic filter feeders (Tunicata)","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":1982,"MonPub":null,"DateUpdate":"2019-07-04","DateCreate":"2001-07-31","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1982PW52000038","VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":14408,"PubliDate":1982,"Pagination":"444-454","XtraPublOfAnaID":null,"ISBN":null,"Volume":"16","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":44573,"SerRR":"Netherlands Journal of Sea Research. 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