摘要
Metalpollutioninaquaticecosystemsisofimmenseimportance.Undervariousenvironmentcircumstances,themetalcontentsofsedimentscanenterintotheoverlyingwaterbodyleadingtoseveretoxicity.ThisstudyaimstodeterminemetalconcentrationsinsedimentsofAnzaliInternationalWetlandinIran.Chemicalpartitioningmethodisusedtodeterminetheportionofanthropogenicpollutionandthemobilitypotentialofeachmetal.Theintensityofmetalpollutioninsedimentsofthewetlandisassessedusingthreereliableindices.TheresultsofchemicalpartitioningrevealthatcadmiumbearthehighestriskofbeingreleasedintotheaquaticenvironmentandhighamountofmanganeseinsulfidebondphaseimpliestheinitiationofredoxstateinaquaticenvironmentoftheAnzaliWetland.TheresultsofchemicalpartitioningstudiesshowthatPb,Cd,MnandAshavethehighestanthropogenicportion.Clusteranalysisalsoconfirmstheresultsofchemicalpartitioningandindicatesthatthementionedmetalscanbeoriginatedfromanthropogenicsources.Sedimentpollutionindices,including,I_geo,I_POLL,andm-ERM-Qrevealthatmetalsareintherangeoflowtomoderatepollutionandalsoshowthatthehighestmetalpollutionisintheeasternandcentralpartsofthewetland.Thiscanbeascribedtoriverswhicharetherecipientofindustrial,agriculturalandmunicipalwastewatersandflowintothesepartsofthewetland.
出版日期
2016年10月20日（中国期刊网平台首次上网日期，不代表论文的发表时间）
