淮河生态经济带粮食生产碳平衡与粮食安全协调性时空演变特征

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关键词：粮食碳排放；粮食安全；耦合协调；标准差椭圆；淮河生态经济带中图分类号：F326.11;X322 文献标志码：A 文章编号：2095-6819（2025）06-1517-12 doi：10.13254/j.jare.2025.0469

Spatiotemporal evolution characteristics ofcoordination between grain carbon emissions and food security in theHuaiheRiverEco-EconomicBelt

GAOHui1，2，3 ，LIUTonghui1，²，YANGYanying4*，CHENGQixian5，LIUXinran1，YANGYan1，2 （1.SchoolofGogacaliesinyngalUvesityiyng64a;2.Keybratoryforgisticrif WaterandSoilEviroentalPolltionofHenanProvince，XinyangNoalUnversityXinyang464o，China;3.Xiyangcadeyf EcologicalResearchXinyang64hin;4AgroEnviromentalrotectioIstiute，inistryofgricultureadurais， Tianjin300191，China;5.hoolofUrbanConstructioandIteligentanufacturing，DngganCityUniversityDnggan419， China）

Abstract：ToexploretecordinationlevelandinfuencingfactorsbetweengraincarbonemisiosandfoodsecurityintheHuaieRier Eco-EconomicBelt，thisstudyanalyzedspatiotemporalevolutionpatersusingcarbonemisioncalculationmodels，foodsecurity evaluationsystemsouplingcordinatiodgeemodels，ndsandarddeviationelipsebasedondatafrom210，214，218，d2. Theresults indicatedthatthetotalcarbonemisionsshowedaninitialincreasefollowedbyadecrease，withareductionof 5.01 ×10∘ tin 2022 compared to 2010; carbon absorption increased by 16.55% ，while the net carbon sink rose by 23.27% ，indicating significant but unevencarbonsequestrationpotentialOverall，theregion’scarbonbudgethadlargelycevdadynamicqulibum.Foodcuity levelsgenerallyimprovd，exhitingasatialpateofgrineestandlowerinteast.AreassuchsoutentralHaand easternAnhuimaintainedrelativelyhighfoodsecurityhereaspartsofnorthernJiangsuconstrainedbylimitedaablelandsoues， recordedlwerlevels.Thecordinationbetweengrainproductioncarbonbalanceandfoodsecurityimprovedoverall，primarilyatan intermediatelevel.High-valueclusterswereconcentratedinwesternHenan，northernAnhuiandentralJiangsu.Standardeviation elipsenalysisrevealedanorteassouthwestspatialdistributionofcordinationlevels，withthcenterofgavityshiftingowardthe central and western regions.

KeyWords：grancarboemision;odsecurity;couplingcoordination;standarddeviationelipse;HuaieRiverEcoEoicelt

粮食碳平衡与粮食安全的协调发展是促进粮食产业可持续发展和保障国家安全的重要基础。（剩余20986字）