全球变暖背景下江苏省植被NPP受多因子及其交互作用的影响

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中图分类号：S718.5 文献标志码：A 文章编号：1673-923X（2026）03-0147-14

Abstract：【Objective】Thisresearchsoughttorevealthecomplexdiverse interactionsamongclimate，phenologyNPin diferentregionsangsuoveithteoalprovidngnperspctisfoteprisemodelingteterestralbcyle informing ecologicalconservationpoliciesinthecontextglobal warming.【Method】Basedonfactors including phenology， climate，vegetationchange，anthropogenicinfuencesinProvincefrom2lto，tisstudyemployedthGoetector modelto analyze the interaction mechanisms among regional climate，phenology NPP.【Result】1）NP showed positive correlations withenomaleddiferencevegetationndex （DI），engthgrowingseason（LOS），tartgowingseason（O）， temperature，precipitation，whilehingegativecorelationswithtenoaleddirenceblupindex （NDB）d growingseaso（EO）ndoladaFureeteparctorsdgatiodidcosgis;2）etal distributionsNPPLOSinProvince weresimilartotosetemperatureprecipitation，showingapattlower valuesinthenorthwesthighervaluesinthesoutheast;3）LOtemperature，precipitationndNDVIadighexplanatorypower forNPP.Changes inmoisturetemperature werelikelykeyfactorsinfuencingthe multi-yearaverages trendsbothLOS NPP;4）TheteractioenndpecipiatioasellasetwenNadtmperatue，soedstrogeplaatorypoer forNPPvariation;5）Factors withlowerindividualexplanatorypower，suchasSOS，EOS，lusechange，NBI，hadliited impactonNPPvariationwhenconsideredalone.However，theirinteractionswithotherfactorstenresultedinnonlinearlyenanced explanatory power.【Conclusion】Againstthe backdrop global warming，interactions among multiple factors mayleadto more complexecosystemesposesakingmulti-factoaalsissstialTesdyoncudestattheeclinigtrendetatio NPPinpartsProvinceaybecimate-inducedBasedonthisfding，itisnecessrytoconsideroptimiingclimatechange response strategies ecological security regulation.

Keywords：net primary productivity;global warming;geodetector;satelite remotesensing; climate; phenology

随着全球变暖加剧，气候变化对陆地生态系统的影响日益显著，尤其在植被净初级生产力（Netprimaryproductivity，NPP）的变化上。（剩余19462字）