天然林保护工程对长白山施业区森林植被稳定性与恢复的贡献

打开文本图片集

中图分类号：S718.3 文献标志码：A 文章编号：1673-923X（2025）11-0127-11

Contribution of natural forest protection project to the stability and restoration of forest vegetation in Changbai mountain

DENG Zhuo'er，LIU Qijing

（a.CollegeofForestry;b.KeyLaboratoryofForestcultivationandconservationofMinistryofEducation， Beijing Forestry University，Beijing looo83，China）

Abstract：【Objective】Todetecthetrendofegetatiochangeinhangbimountainnalyetedamichangesingetatio itstabilityndealtmpactofeatralforstsoueprotetioojeogeatistoaoigbaioinis studyaimtoprovidescientificreferenceandkeydatasupportfovegetationrestoratioandecologicalenvironmentprotectioninthe area.【Method】TheQuanyangForestryBureauonthenorthwest slopeofChangbai mountain wastakenastheresearcharea.Surface reflectancedataprovidedbyLandsatseriessatelitesfroml993to223wereselectedusingtheGoogleEarthEngine（GEE）platfor. Afterpreprocindectiotespatipaldaicgsoorestgeatiooage（FVCinaiala ofChangbaimountainwerecalculatedandanalyzed.Usingthehigh-precisionlandcoverclassifcationdataset（GLC_FC）land coverdatafor995，O10ndwereobtaiedasedoneactualonditioslandoertyesweredvidedintoen coniferousfostioeofstoeafstedrtlivadlndas wetlandandwaterbodies.Combineditheientrendalysisadtean-Kendalltestteandrendrmetodwasedto constructimeseriesdatabasedonthenormalizedburingratetodetectdisturbancesinforestvegetationoverthepast3Oyears，nd thetrendofFVCchangeswasanalyzedindtail.【Result】1）Thedominantlandusetypeisdeciduousbroadleafforest，andthetotal areaofforestlandetddateadarbilafiatednitlyead2）9t2023，FVCineuecoedtigeatiooreltegslyaeduttoos unstable.Teoverallspatialdistributiontrendis‘hghinthewestandlowinteeasthghintenorthandlowinthesouth"3）The anualdisturbanceareainthestudyareadecreasedyearbyyear，mainlyinthecentralegion.Thedisturbancepeakin2o14wascaused bytheconstructionofteHedaexpressayConclusion】Undertheienceofteaturalforestesoueprotectioproetfoest coverage has been effectively restored and the degree of disturbance has been significantly reduced.

Keywords：naturalforestresourceprotectionproject;fractionalvegetationcover;dynamicchangeofegetation;Lanendr

中国天然林资源保护工程是全球首个专注于天然林保护的重大生态项目，具有独特性。（剩余15095字）