LeWang_saltcedar 定量遥感班课件

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1、利用多分辨率遥感数据进行侵入物种传播建模王乐副教授（终身教授），研究生主任纽约州立大学布法罗分校地理系Tamarisk(()Saltcedar)TamariskisalargeshrubtosmalltreenativetoAfricaandsmalltreenativetoAfricaandEurasia.ItwasintroducedinthewesternU.S.in1837as"ornamentalvegetation"andforCredit:NASAwindanderosioncontrol.USDA:tamarisktamariskis

2、isTamariskcovers1.5MilliononeofthemostharmfulAcresinWestinvasivespeciesintheinvasivespeciesintheThreetamariskspecies:nation.T.Parviflora,NASA:EarthScienceEnterprise:InvasiveThiT.chinensi(Chiis(ChineseHuman-induced&NaturalFactorsPlantingWidWindReservoiranddamWateravailabi

3、lityconstructionWtWaterspeeddRiverdiversionSoilconditionIrriggpationprojjectsSalinityClearingandplowingTemperatureHeavygrazingCuttingElevationPrecipitationProblemscausedbySaltcedarWaterManagementProblemsWaterManagementProblemsImpedewaterflowIncreaseSedimentationInc

4、reasesoilsalinityConsumemorewaterthanthereplacedspeciesCredit:NASAProblemscausedbySaltcedarEcosystemProblemsEcosystemProblemsChangeecosystemfunctionsChangepatternsinfloralfaunalcomposition,communitystructure,nutrientcycling,primaryproduction,foragequality,firepatternsOccasio

5、nallyusedaspreferredhabitate.g.ThesouthwesternwillowflycatcherSaltCedarSuitabilityypMapTopTenSuitableStatesMorisette,JTetal.,FrontEcolEnviron2006,4(1):11-17.RioGrandeRiverSldSaltcedarSaltcedarPhenologyDryleaf(Orange-Brown)Flowering(Pinkish)(December18,2005)(March31,2006)Literatu

6、reReviewofInvasiveSpeciesAerialPhotographEverittandDeLoach1990EverittetalEverittandDeLoach,1990,Everittetal.1992a,1996MdModeratRteResoltilutionMltiMultispectlStralSensorEverittetal.1992b;Andersonetal.,1993HighSpatialresolutionFuller,2005,Turneretal.,2003HyperspectralRemote

7、SensingUnderwoodetal2003OUnderwoodetal.,2003,ONeill’Neill2000Lass,2000,LassandPrather,2004StudySite:ForgottenRiverRiverbanktakenupbysaltcedarupbysaltcedarLeaf–offMesquiteResearchQuestion1Whathavebeentheannualexpansionofsaltcedarandthedynamicsofassociatednativespecieswithinthepe

8、riod1993-2003?Priorobservations:Saltce