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281ConstructedWetland30a、、、、、、、、、[1-4]。、[5]－－。[6-8]。[9-10]、、。。。、。22.1(22°32′N,114°03′E)22.6℃38.7℃(7)0.2℃(1)1794mm79%2209h(Avicenniamarina)、(Kandeliacandel)(Aegicerascorniculatum)(Sonneratiacaseolaris)(S.apetala)[11]。1。2005400m2(2.5m×2.5m×2.5m)33m×3m×0.5m(1m×3m×0.7m)Part0.2mPart3～5cm40cm、0.5～1cm10cm、5cmPart3～5cm40cm、10cm、5cm。、(hy－draulicloading)5m3d-13d。2.22007110～5cm2.5m12.5m17.5m27.51，2，3，2，4，2，5，515180402.－5180403.5180574.5.518060：400m2，(0～5cm)、。，，（P＜0.05）；（）。，/（P0.05），、/(P0.05)。：；；；：P748：A：1003-2029（2009）03-0062-0528320099OCEANTECHNOLOGYVol.28，No.3Sept，2009：2009-06-22：TTO9677001(SG200645916)。：1978-、、。m4℃、/。1Part。2.3550℃4h[12]、H2SO4-HClO4-、、[13]pH、、15YSI[12]。、MPN,[14]。、[12]。2.4EXCEL2003SPSS11.5。Two-wayANOVA/、。33.1pH1。pHPart2.5m12.5mPartpHH＋。Two-wayANOVApH。Two-wayANOVAP＜0.01。。、PartPartTwo-wayANOVA、P＞0.05。3.22PartPart12.5mPartPart17.5m。PartpartPart。Two-wayANOVA(2)、(P0.001)。1（0～5cm）（±，n=3）SC:S.caseolaris,KC:K.candel,AC:A.corniculatum,PartSC2.5m12.5mF、PTwo-wayANOVADistance（m）Conductivity(mS.cm-1)SalinitypHOrganicmatter(%)SCKCACSCKCACSCKCACSCKCAC2.50.45±0.070.43±0.030.80±0.160.21±0.040.25±0.080.39±0.086.76±0.086.80±0.146.13±0.041.60±0.431.22±0.092.18±0.6312.50.44±0.030.36±0.021.19±0.530.21±0.020.27±0.110.59±0.276.54±0.156.31±0.126.15±0.071.72±0.371.23±0.092.69±0.7317.50.44±0.260.37±0.020.59±0.160.21±0.130.23±0.010.28±0.086.58±0.126.42±0.096.23±0.061.15±1.001.36±0.091.97±0.5627.50.78±0.500.38±0.020.82±0.280.38±0.260.24±0.010.40±0.146.64±0.146.40±0.106.26±0.102.19±0.871.34±0.431.58±0.14SpeciesF=18.623,P=0.004(df=3)F=18.317,P=0.004(df=3)F=10.048,P=0.015(df=3)F=4.557,P=0.068(df=3)DistanceF=1.389,P=0.348F=1.440,P=0.336F=2.332,P=0.191F=0.388,P=0.767*Species*dis-tanceF=1.031,P=0.422F=1.001,P=0.438F=3.852,P=0.011F=1.252,P=0.317：363283.3//30.6μg/g1.5～3.7μg/g。。5.56μg/g。Two-wayANOVA(2)(P0.05)、(P0.001)。3.4/、3、(P＜0.01)、(P＜0.05)、、、、(P0.05)pH(P0.05)//(P0.05)。23/F-ValueTwo-wayANOVAnitrobacteriadenitrobacterianitrificationdenitrificationSpecies16.929***26.315***4.636*11.649***Distance41.934***18.793***0.73910.462****Species*dis-tance7.879***15.986***0.1633.237****P＜0.001,**P＜0.01,*P＜0.052/**P＜0.01,*P＜0.053、、Pearson'scorrelationpHSalinityconductivityorganicmatternitrobacteriadenitrobacterianitrificationrate-0.2770.452**0.452**0.1170.2990.077denitrificationrate0.0360.402*0.406*0.2630.1560.1602.5m12.5m17.5m27.5m2.5m12.5m17.5m27.5m644,。PartPartPartPartPartPartPart。,85%,,,。。[9]。////[15]/。、,,、。:[1].[J].199416383-86.[2]BankstonJL.DegradationOFtrichloroethyleneinwetlandmicrocosmscontainingbroad-leavedcattailandeasterncottonwood[J].WaterResearch,200236:1539-1546.[3]QiongYang,Zhang-heChen,Jian-gangZhao,Bin-heGu.ContaminantRemovalofDomesticWastewaterbyConstructedWetlands:EffectsofPlantSpecies[J].JournalofIntegrativePlantBiology,200749(4):437-446.[4]QYang,NFYTam,YSWong,TGLuan,WSSu,CYLan,PKSShinandSGCheungPotentialuseofmangrovesasconstructedwetlandformunicipalsewagetreatmentinFutian,Shenzhen,China.MarinePollutionBulletin200857:735-743.[5].[J].,199731-6.[6].[J].200619(5)14-16.[7],,.[J].,2006.22(5):33-36.[8],.[J].,2004,14(4):163-168.[9].[J].200526(1)47-50.[10]KozubDD,LiehrSK.Assessingdenitrificationratelimitingfactorsinaconstructedwetlandreceivinglandfillleachate[J].WaterScienceandTechnology,1999,40(3):75~82.[11].[M].2002.[12]SchinnerF,OhlingerR,KandelerE,MargesinR,1996.MethodsinSoilBiology,SpringerLabManual,Berlin.[13].[M],:2000.[14],.[M].1986,251-291.[15].[J].2001,21(2)224-228.：36528ApplicationofDataFusionTechnologyinVectorHydrophoneBearingEstimationZHANGYing-ying1,SUNJi-chang1,2,DULi-bin1,HOUGuang-li1,ZHANGYing1,2(1.InstituteofOceanographicInstrumentShandongAcademyofScience,QingdaoShandong266001,China;2.SchoolofMechanicalEngineeringTianjinUniversity,Tianjin300072,China)Abstract：Animprovedbearingestimationalgorithmusedinvectorhydrophoneisdeveloped,combiningthemulti-sensordatafusiontechnologyandthesensorbearingprinciple.Theimprovedalgorithmisstillbasedonpressureandparticlevelocitycombinedpro-cessing,socaneffectivelysuppressisotropicnon-coherentinterference.Againsttheacousticdisadvantageofarithmeticaverage,thefusionalgorithmmakesfulluseofthedatasamplesandestimatesthetargetacousticintensityusingtheweightedvarianceoptimiza-tionfusiontechnology.Thesimulationresultsshowedthatundertheconditionsoftargetdirectionfrom0to360degreeandnoisefrom0to15dB,thefusionalgorithmcanmakehigheraccuratebearingestimationthanthetraditionalacousticintensityaverager,whichissignificantforunderwatertargetdetectionproject.Keywords:vectorhydrophone;underwatertargetdetection;bearing;datafusionStudyonNitrificationandDenitrificationinMangroveConstructedWetlandsYANGQiong1，2,LIGang3,TANFeng-yi2，4,WUXue-ping2，5,LIShuang-fei5(1.Neilingding-FutianNationalNatureReserveofGuangdong,ShenzhenGuangdong518040,China;2.Futian-CityUMangroveR&DCenter,ShenzhenGuangdong518040,China;3.HongKongUniversityofScience&TechnologyShenzhenresearchInstitute,ShenzhenGuangdong518057,China;4.DepartmentofBiologyandChemistry,CityUniversityofHongKong,KowloonHongKongSAR,China;5.InstituteofEcoenvironment