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22,3Vol.22,No.320057JOURNALOFSHENZHENUNIVERSITYSCIENCEANDENGINEERINGJuly2005:1000-2618(2005)03-0264-05:2005-05-18:(39770154):(1971-),(),,.E-mail:golfcoly@hotmail.comN、P、K阳承胜1,蓝崇钰2,张 干3(1.,518060;2.,510275;3.,510640) :通过对广东省韶关市凡口宽叶香蒲(Typhalatifolia)人工湿地系统的进出水口、土壤剖面及宽叶香蒲、芦苇、茳芏和伴根草等4种主要水生植物体内的N、P、K含量进行分析.结果表明,土壤表层是人工湿地系统营养物质的主要贮藏库.从进水口到出水口,人工湿地土壤中N、P、K含量逐渐增加,而在同一地点,N、P、K的含量随土壤剖面深度增加而递减.N、P、K三种元素在4种被测植物体各组分中的含量变化各不相同.N为叶凋落物地上茎地下茎根;P为叶凋落物根地上茎地下茎;K在地下茎及叶中的含量相当高.:宽叶香蒲;营养元素;人工湿地:X703 :A .、[1].,、pH、、,[2,3].、4N、P、K,,、,.1 材料与方法1.1 .,100~150m,20℃,-5℃,40℃,1457mm,,.,,,6×105t.Pb、Zn、CuCd,.2080,,15,98,,(Phragmitescommunis)、(Cyperusmalaccensis)(1).,.1 Fig.1 PlanerdiagramoftheTyphalatifoliaman-madewetland1.2 1.2.1 水样采集与分析2003928,3,,:N、P、K265 1#、2#、3#4#(1),7,3.(GB3838-2002)、、N、、P、KCOD[4].1.2.2 植物采样与分析20035,,S1、S2、S3、S45m×5m(1).4,、、4.,、、、5,、,N、P、K[5].4,1m×5m,、,.1.2.3 土壤采样与分析,0~10cm、10~20cm、20~30cm,4.、、,N()、P()、K()(—[5]).2 结果与分析2.1 N、P、K4N、P、K(1),1,N、P、K,1#~4#,,.4#N、P,,,.COD99%92%,.1 Table1 Physicochemicaldataofwatersamplescollectedattheinfluentandeffluentoftheman-madewetlandTSSCODρ(NO3-N)/(mgL-1)ρ(NH4-N)/(mgL-1)ρ(KN)/(mgL-1)ρ(TN)/(mgL-1)ρ(TP)/(mgL-1)ρ(K)/(mgL-1)1#2#3#4#/%7905±10755091±205.98802±104729.53±8.9799.59170.6±66.586.31±23.775.88±18.77.08±3.1892.131.88±0.391.52±0.460.85±0.310.42±0.1677.660.11±0.100.06±0.050.01±0.010.02±0.0181.811.57±0.481.54±0.071.01±0.720.38±0.2675.792.232±0.191.524±0.250.973±0.461.043±0.3753.220.261±0.110.247±0.040.149±0.180.113±0.2656.7038.63±3.4721.06±6.498.029±4.478.422±1.6678.232.2 N、P、KN、P、K(2),N、PK398.5~1062mg/L、567~1423mg/L762.6~9599mg/L.,PK.2,N、P、K,.(0~10cm),N(0~30cm)40.44%,P40.76%,K39.49%.0.54%~1.175%,,0.54%.,,,.266 222 Table2 Distributionofnutrientelementsalongthedistancefromthewastewaterentranceandintheprofileofsoilρ(TN)/(mgL-1)ρ(TP)/(mgL-1)ρ(TK)/(mgL-1)/%S00~30cmS10~10cm10~20cm20~30cmS20~10cm10~20cm20~30cmS30~10cm10~20cm20~30cmS40~10cm10~20cm20~30cm398.5±104.5647.5±105535.1±248.4398.3±208.1843.6±133.2796.4±205.6419.6±236.1722.4±139.8793.3±440.1388.7±128.61062.4±439976.6±305.7588.3±372.4694.8±197.3850.4±231.7975.9±552.1567.0±227.71317.6±327.9692.8±16.7794.9±157.71423.1±370.3654.6±306.0609.2±446.02045.6±13021912.1±706.41060.8±199.82125±9842568.3±2526996.9±517.4762.6±53.9612316±1377.62887.8±1666.02044.9±572.79599.5±3215400.5±13681368.4±55.22782.7±1470.92529.3±1779.41733.4±839.20.54±0.320.726±0.220.843±0.190.711±0.271.175±0.150.791±0.440.518±0.370.974±0.340.561±0.160.573±0.111.813±0.451.022±0.380.948±0.26:S02.3 4(2),,.3.638kg/m2,(6.61kg/m2),(1.25kg/m2),2 ()Fig.2 BiomassoftheTyphalatifoliaman-madewetlands(p0.05).,.,,..2.4 N、P、K4、、、N、P、K(3),,N、P、K269.5~1362mg/kg、215.8~625.7mg/kg320.4~1895mg/kg.NP,K.N、P、K,,N,P,K.3,,:N、P、K267 3 4N、PKFig.3 N,PandKcontentsofseveralplantgrowingonman-madewetland:[1],.[J].,1995,90(3):371-377.().[2], ,,.[J].,2004,24(8):1720-1725.[3],,,.[J].,2002,26(1):101-108.[4].[M].:,1989.[5].[M].:,1987.Abstract:1000-2618(2005)03-0267-EAAccumulationanddistributionofN,PandKinman-madewetlandwithTyphalatifoliaYANGCheng-sheng1,LANChong-yu2,andZHANGGan31)CollegeofGolfShenzhenuniversityShenzhen518060P.R.China2)CollegeofLifeScienceZhongshanUniversityGuangzhou510275P.R.China3)GuangzhouInstituteof GeochemistryChinese AcademyofSciences,Guangzhou510640P.R.ChinaAbstract:Analysisofwater,soilandbiomassinman-madewetlandspopulatedwithTyphalatifoliashowsthatnu-268 22trientsmainlyaccumulateinthesoilsurfacelayerof.TheconcentrationsofN,PandKinthesoilgraduallyincreasewiththedistancefromthewastewaterinfluent,anddecreasewiththesoilsectiondepth.ThecontentsofN,P,Kinfourkindsofthedetectedplautsshoweddifferent:N:Leafwitheraerialstemsubterraneanstemroot,P:aleafwitherrootaerialstemsubterraneanstem,whilethecontentofKinleasesandundergroundstemsisveryhigh.Keywords:Typhalatifolia;nourishmentmaterial;man-madewetlandReferences:[1]LANChong-yu,CHENGui-zhu.UseofcattailsintreatingwastewaterfromaPb/Znmine[J].EnvironmentalMan-agement,1995,90(3):371-377.[2]JIANGYue-ping,GEYing,YUEChun-lei,etal.Nutrientremovalroleofplantsinconstructedwetlandonsightseeingwater[J].ActaEcologicaSinica,2004,24(8):1720-1725(inChinese).[3]YANGCheng-sheng,LANChong-yu,SHUWen-sheng,etal.RestorationofwetlandplantcommunitiesdominatedbyTyphalatifolia[J].ActaPhytoecologicaSinica,2002,26(1):101-108(inChinese).[4]MethodsfortheExaminationofWaterandWastewaterAsso-ciation.StandardMethodsfortheExaminationofWaterandWastewater[M].Beijing:PressofChinaEnvironmentalScience,1989(inChinese).[5]AssociationforAnalysisofEnvironmentalPollution.MethodsfortheAnalysisofEnvironmentalPollution[M].Beijing:SciencePress,1987(inChinese).【: ;: 】 由蚬壳星盈科技(深圳)有限公司自主开发的每秒运算4万亿次的GT4000超级刀片计算机(共含281个刀片,562个至强TM处理器)正式入选最新公布的2005年世界超级计算机500强,居全球第100位,在国内超级计算机中名列第四.星盈超级刀片计算机采用“刀片”式设计.每个刀片就是一个服务器,可无限扩展.GT4000系统的峰值运算速度高达每秒4046万亿次,实际运算速度可达每秒3413万亿次,效率高达84.35%,是所有基于英特尔至强TM处理器和Mellanox无限带宽互连网络系统超级计算机中效率最高的,可以完整提供从刀片到刀片、刀片到存储和嵌入式10Gb无限带宽互连网络点对点高速资料交换的系统解决方案.数据传输延迟低于4μs(一般基于1Gb以太网络机群服务器的延迟为50~100ms),数据吞吐量高达820Mb/s,比光纤SAN存储网络快2~3倍,并且成本较低.系统将主要为石油勘探、气象预报、航天航空、材料科学、生
本文标题:NPK在宽叶香蒲人工湿地系统中的分布与积累阳承胜
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