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遥感技术在林业研究中的应用进展 Title:AdvancesintheApplicationofRemoteSensingTechniquesinForestryResearch Abstract: Remotesensingtechnologyhasrevolutionizedthefieldofforestryresearchbyprovidingvaluabledataonforests'structure,composition,health,andchangesovertime.Thispaperaimstoprovideanoverviewoftherecentadvancesinremotesensingtechniquesappliedtoforestryresearchandtheirpotentialimplicationsforforestmanagement.Byanalyzingthekeyapplicationsofremotesensingtechnologyinforestry,suchasforestinventory,biodiversityassessment,forestmonitoring,anddisturbancedetection,thispaperhighlightsthebenefitsandchallengesassociatedwiththeseapproaches.Ultimately,thispaperunderscorestheimportanceofintegratingremotesensingwithfield-basedmethodstoensureaccurateandcomprehensiveforestcharacterizationandmanagement. 1.Introduction Forestsplayasignificantroleintheglobalcarboncycle,maintainingbiodiversity,regulatingclimate,andprovidingvaluableresources.Consequently,thereisagrowingneedforaccurateandtimelyinformationonforestecosystems.Remotesensingtechniques,withtheirabilitytocollectdataoverlargeareasefficiently,offerunprecedentedopportunitiesforforestmonitoringandmanagement. 2.ForestInventory Remotesensingenablesreliableestimationofforestcharacteristics,suchasspeciescomposition,standdensity,andbiomass.Bycombiningoptical,radar,andLiDARdata,forestinventorycanbeconductedatvariousscales,providingaccurateandcost-effectiveinformationforforestmanagementplanning,timberproduction,andecosystemmodeling. 3.BiodiversityAssessment Remotesensingtechnologyhasshowngreatpotentialinassessingforestbiodiversity.Throughtheanalysisofspectralandspatialinformation,itispossibletomapspeciesdistribution,identifyhabitatsuitability,andmonitorchangesinbiodiversitypatternsovertime.Thisinformationiscrucialforconservationplanningandunderstandingtheimpactsofhumanactivitiesonforestecosystems. 4.ForestMonitoring Remotesensingprovidesaneffectivemeanstomonitorforestdynamics,includingforestcoverchanges,deforestation,andforestdegradation.Satelliteimagery