四川省生态系统服务时空异质性及权衡协同关系

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中图分类号： S718.55+7 文献标志码：A 文章编号：1673-923X（2026）02-0168-13

Abstract：【Objective】Unraveling thecomplex interactionsbetweenecosystemservices isaprerequisitefor managing multiple ecosystemservicessimultaneouslyAsthecoreecologicalbarierofteupperreachesoftheYngtzeRiver，thestudyofthespatial diferentiationcharacteristicsofeosystemseviceinteractiosinScuanProviceisofeatscientifcalueandpracticalsifance formaintainingtheecologicalsecuritypaternoftheYangtzeRiverbasinandcoodinatingthecontradictionbetweenecological protectionandfoodproductioninthesouthwesternregion.【Method】BasedonArcGIS10.8，thisstudyassessedfourecosystem services，amlyboqstatiofodpdutioaterseatiodlsatiodalydstialdol changecharacteristicsaswellasquantifiedthe trade-ofsandsynergiesamong them in Sichuan Province.【Result】1）Ecosystem servicesarespallytergesihglusdstbutdinststtsitogidtothdlow valuesdistributedinthewestealpineplateauregionandtheeastebasinregion.Itismorestableintimechange，showingatrendof decreasingandtenicreasing;2）adeofsoccurbetweenfoodproductionadoterecosystemservicsndsyegiesocurbetween carbonsequestration，wateretentioandsoilconservationservices.yergiesbetweenecosystemservicessowanincreasingtrend overtheperiod-2;3）Forestlandmakesthegreatestcontributiontothethreecosystemservices（arbonsequestrationwater conservationndsolonsevatin）eeductionintereaofablelandasignficantipactoteplyoffoododuction services.【Conclusion】Thespatialandtemporal distributionof thefour ecosystemservicesischaracterizedbyheterogeneityand stabilityndistictseontogtsataldlotioodti trade-ofsandssticelatiosisinanProveaedtoproidethoreticalbsisfregialsustaableot

Keywords：ecosystemservices; trade-offsand synergies;land usechange;Sichuan Province

生态系统服务（Ecosystemservices，ESs）是人类直接或间接从生态系统中获得的各种惠益[1]，其分类体系以联合国《千年生态系统评估》（2005）提出的供给、支持、调节、文化四类服务最具共识性。（剩余23598字）