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38720137ENVIＲONMENTALSCIENCEANDMANAGEMENTVol.38No.7July20132013－04－07“”2008BAJ10B042011040022011BAD38B4041980－。1674－6139201307－0031－05卜晓莉1，薛建辉21．2100372．210037农田面源氮磷的流失是导致河流湖泊等水体产生富营养化的主要原因之一，其带来的环境、经济及社会问题已引起国内外广泛关注。近年来，关于滨岸缓冲带截留污染物的效率和机理已成为研究热点。文章介绍了滨岸缓冲带在农业面源污染防治上的功能和作用，论述了滨岸缓冲带对氮磷养分的截留转化机理以及稳定同位素技术在机理研究中的应用，讨论了影响滨岸缓冲带截留转化氮磷养分的调控因子，在此基础上就目前滨岸缓冲带控制农田氮磷流失研究中存在的问题提出了未来的研究展望。农田面源氮磷流失;滨岸缓冲带;截留转化机理;稳定同位素技术;调控因子X592AEffectandMechanismofNitrogenandPhosphorousLossesfromAgriculturalFieldsinＲiparianBufferStripsBuXiaoli1XueJianhui21．FacultyofScienceNanjingForestryUniversityNanjing210037China2．JiangsuKeyLaboratoryofForestryEcologicalEngineeringNanjingForestryUniversityNanjing210037ChinaAbstractLossesofnitrogenandphosphorusfromagriculturalfieldsisoneofthemajorfactorsresponsibleforeutrophicationoflakesandriversbriningaseriesofproblemsinenvironmenteconomyandsociety．Inrecentyearstheinterceptionefficiencyandmechanismofpollutantsbyriparianbufferstriphavebecomeresearchfocus．Inthispaperthefunctionandroleoftheripari-anbufferzoneinagriculturalnon－pointsourcepollutionpreventionareintroduced．Theretentionmechanismofnitrogenandphosphorusinriparianbufferzoneandtheapplicationofstableisotopetechniqueinthestudyofmechanismarediscussed．Thecontrolfactorsofriparianbufferzoneinterceptiontransformationofnitrogenandphosphorusareanalyzed．Futureresearchfrontiersarealsoproposedbasedonthesummaryandanalysis．Keywordslossesofnitrogenandphosphorusfromagriculturalfieldsriparianbufferstripretentionmechanismstableiso-topetechniquecontrolfactors。。。2。132。、、、、、、、·13·38720137·Vol.38No.7July201333。35、、。NO－3－N44.1%～46.3%。2730NO－3－NNO－3－NNO－3－N。Van23PtPO3－4－P0.06mg·L－10.055mg·L－1。219、、、31。、。Lee106m77%、46%、42%、52%34%。VidonHill2290%。3610m42%～91%30%～92%。33．11。4。2。Mankin14。、、18。3。25。NH+4－NNH+4－NNO－3－N。28。4。1215。、9。NH+4NH+4NO－31137。5/。－－N2N2O。17。VidonHill222～3mg·L－15mg·L－1+100～+400mv。Balestrini15～8m·23·38720137·Vol.38No.7July2013。Hefting7。3．2、1116。41。Schoonover1897%NO－3－N、74%NH+4－N78%PO3－4－P。Mankin14－99.7%、91.8%92.1%。DucheminHogue535%～40%85%～87%85%～86%57%～64%47%～57%30%～33%68%11%。。。、2034、。3010～15∶415～20∶6。Syversen205m10m、、。2。Clèment3δ15Nδ15N－NO3N、P。Hef-ting8－10－30cm。NO－3－N。Sabater17714。3。Syversen20Norway。N、PN、P16。5℃～8℃11。24。4、、13。。·33·38720137·Vol.38No.7July2013Al、Fe、Ca11。5Cl－Cl－NO－3/Cl－。NO－3/Cl－NO－3Cl－。NO－3/Cl－23。。。14N15N。。、14NO－315NO－3N2N2O14N15N26。3。15Nδ15N－NO3。δ15N－NO3621－23。6。。。。－－。。。1BalestriniＲAreseCDelconteCAetal．Nitrogenremovalinsubsurfacewaterbynarrowbufferstripsintheinten-sivefarminglandscapeofthePoＲiverwatershedItalyJ．Ec-ologicalEngineering201137148－15．2BhattaraiＲKalitaPKPatelMK．NutrienttransportthroughaVegetativeFilterStripwithsubsurfacedrainageJ．JournalofEnvironmentalManagement2009901868－1876．3ClèmentJCHolmesＲMPetersonBJetal．Iso-topicinvestigationofdenitrificationinariparianecosysteminwesternFranceJ．JournalofAppliedEcology2003401035－1048．4DanielsＲBGilliamJW．SedimentandchemicalloadreductionbygrassandriparianfiltersJ．SoilScienceSocietyofAmericaJournal1996601246－251．5DucheminM．HogueＲ．Ｒeductioninagriculturalnon－pointsourcepollutioninthefirstyearfollowingestablishmentofanintegratedgrass/treefilterstripsysteminsouthernQuebecCanadaJ．AgricultureEcosystemsandEnvironment200913185－97．6FukadaTHiscockKMDennisPFetal．Aduali-sotopeapproachtoidentifydenitrificationingroundwateratariv-er－bankinfiltrationsite．WaterＲesearchJ2003373070－3078．7HeftingMBeltmanBKarssenbergDetal．WaterqualitydynamicsandhydrologyinnitrateloadedriparianzonesintheNetherlandsJ．EnvironmentalPollution2006139143－156．8HeftingMClèmentJCDowrickDetal．Waterta-bleelevationcontrolsonsoilnitrogencyclinginriparianwetlandsalongaEuropeanclimaticgradientJ．Biogeochemistry200467113－134．·43·38720137·Vol.38No.7July20139WenYChenYZhengNetal．Effectsofplantbio-massonnitrateremovalandtransformationofcarbonsourcesinsubsurface－flowconstructedwetlands．BioresourceTechnologyJ20101017286－7292．10LeeKHIsenhartTMSchultzＲCetal．Nutrientandsedimentremovalbyswitchgrassandcool－seasongrassfil-terstripsinCentralIowaUSAJ．AgroforestrySystems199944121－132．11VymazalJ．ＲemovalofnutrientsinvarioustypesofconstructedwetlandsJ．ScienceoftheTotalEnvironment200738048－65．12LowranceＲAltierLSWilliamsＲGetal．ＲEMMTheriparianecosystemmanagementmodelJ．JournalofSoilandWaterConservation200055127－34．13LowranceＲWilliamsＲGInamdarSPetal．E-valuationofcoastalplainconservationbuffersusingtheriparianecosystemmanagementmodelJ．JournaloftheAmericanWa-terＲesourcesAssociation20013761445－1455．14MankinKＲNganduDMBardenCJetal．Grass－shrubriparianbufferremovalofsedimentphosphorusandnitrogenfromsimulatedrunoffJ．JournaloftheAmericanWa-terＲesourcesAssociation20074351108－1116．15PeterjohnWTCorrellDL．NutrientdynamicsinanagriculturalwatershedObservationsontheroleofariparianforestJ．Ecology19846551466－1475．16PriorHJohnesPJ．Ｒegulationofsurfacewaterqual-ityinaCretaceousChalkcatchmentUKanassessmentoftherelativeimportanceofinstreamandwetlandprocessesJ．TheScienceoftheTotalEnvironment2002282－283159－174．17SabaterSButturiniAClèmentJCetal．NitrogenremovalbyriparianbuffersundervariousNloadsalonganE