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滇西北高原剑湖茭草湿地湖滨带对农业面源N·P污染净化效果研究(英文).docx

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滇西北高原剑湖茭草湿地湖滨带对农业面源N·P污染净化效果研究(英文) Title:StudyonthePurificationEffectsofJianaLakeMarshWetlandRiparianZoneonAgriculturalNon-pointSourceNandPPollutionintheNorthwesternYunnanPlateau Abstract: TheJianaLakeMarshWetlandRiparianZone,locatedinthenorthwesternYunnanPlateau,playsacrucialroleinthepurificationofnon-pointsourceNandPpollutantsderivedfromagriculture.Thisstudyaimstoinvestigatethepurificationeffectsofthisuniqueecosystemonagriculturalnon-pointsourceNandPpollution.Theresearchinvolvedfieldsurveys,waterqualitysampling,laboratoryanalyses,anddataanalysis.ThefindingsdemonstratethepotentialoftheJianaLakeMarshWetlandRiparianZonetoeffectivelymitigateNandPpollutionandprovidevaluableinsightsintothesustainablemanagementofagriculturalpracticesintheregion. Keywords:JianaLake,MarshWetland,RiparianZone,Agriculturalnon-pointsourcepollution,NandPpurification 1.Introduction: TheNorthwesternYunnanPlateauischaracterizedbyitsagriculturalproductivityandsignificantcontributiontoregionaleconomicdevelopment.However,excessiveuseoffertilizersandinadequatenutrientmanagementpracticeshaveresultedintheaccumulationofnon-pointsourcenitrogen(N)andphosphorus(P)pollution,posingathreattobothlocalecosystemsandhumanhealth.TheJianaLakeMarshWetlandRiparianZone,knownforitshighecosystemservices,hasthepotentialtoactasanaturalfilterandregulatetheflowofcontaminants,makingitapromisingsolutionforthepurificationofNandPpollutionintheregion. 2.Methodology: 2.1StudyArea: ThestudyareafocusedontheJianaLakeMarshWetlandRiparianZone,coveringatotalareaofXsquarekilometers.TheregionwasselectedduetoitssignificantagriculturalactivitiesandhighvulnerabilitytoNandPpollution. 2.2FieldSurveys: AcomprehensivefieldsurveywasconductedtoevaluatethecharacteristicsoftheJianaLakeMarshWetlandRiparianZone.Thesurveyincludedthecollectionofsoilsamples,vegetationsurveys,andwaterqualitymeasurements.Theseparametersprovidedessentialinformationforsubsequentlaboratoryanalyses. 2.3WaterQualitySampling: Watersampleswerecollectedfromdifferentlocationswithi