摘要
ConcentrationsofheavymetalsintheintertidalgastropodNeritalineatacollectedfrom4samplingstationsintheintertidalzoneofDumaicoastalwatershavebeenanalyzedandcorrelatedwiththerespectivemetalconcentrationsintheirhabitat.TheobjectiveofthisstudywastoevaluatethepossiblerelationshipsbetweenheavymetalconcentrationsintheN.lineatawithmetalconcentrationsintheirhabitat,whichincludeseawater,algalmat,suspendedparticulatematter,andsurfacesediment.Theresultsshowedthatheavymetalconcentrationsinthesediment,N.lineata,suspendedparticulatematter,algalmatandsurfaceseawaterwerefoundtobehigherinstationsclosedtoDumaicitycenterwhichhasmoreindustrialandanthropogenicactivities.ThemeanconcentrationsofCd,Cu,Pb,Zn,NiandFeintheN.lineatacollectedfromDumaiintertidalareawere4.14μg/g,5.90μg/g,44.43μg/g,3.74μg/g,20.73μg/g,24.91μg/ginshell;4.16μg/g,7.31μg/g,51.78μg/g,17.63μg/g,23.52μg/g,30.60μg/ginoperculumand0.71μg/g,15.09μg/g,9.41μg/g,94.42μg/g,5.10μg/g,398.24μg/gdryweightinthetotalsofttissue,respectively.Cd,PbandNiconcentrationsofpartsoftheN.lineatawereintheorder:thatofoperculum>shell>softtissuewhilstCu,ZnandFeconcentrationsofpartsoftheN.lineataintheorder:thatofsofttissue>operculum>shell.ThissuggestedthatN.lineatacouldbeusedasbiomonitoringagentforCu,ZnandFe(softtissues)andforCd,PbandNi(operculum).However,theshellhadsignificantcorrelations(P<0.05)withmetalconcentrationsinthesediment,algalmat,suspendedparticulatematterandseawater.Bioconcentrationfactor(BCF)valuesoftheshellalsorevealedgreatercapacityfornon-essentialmetalsbioaccumulationfromallenvironmentalphases.ThismightsuggestthattheshellofN.lineatacouldbebetterusedasbiomonitoringagentforheavymetalpollution.
出版日期
2009年04月14日（中国期刊网平台首次上网日期，不代表论文的发表时间）
