基于大食物观下河北省土地资源承载力空间分异及影响因素

打开文本图片集
关键词:土地资源承载力;大食物观;膳食营养;河北省
中图分类号:X321;F301.2 文献标识码:A
文章编号:0439-8114(2025)05-0042-07
DOI:10.14088/j.cnki.issn0439-8114.2025.05.007 开放科学(资源服务)标识码(OSID):口
Spatial differentiation and influencing factors of carrying capacity of land resources in Hebei Province based on broad food concept
MA Xiao-qian,SUNLei-gang,ZUO Lu,LU Jun-jing,HAO Qing-tao (InstituteofGogaicalSiencs,HebeiAcadeyofiences/HbeiTchologovationCenterforGogaicInformatioApplcatio Shijiazhuang 050021,China)
Abstract:FoodndutritionsecurityisanimportantpartoffoodsecurityTfindoutthecarryingcapacityoflandresourcsHebei Provincebasedonthebroadfoodconceptisveryimportant toensureregionalfoodsecurity.Thecarryingcapacityoflandresources in HebeiProvinceasestimatedbasedonthedietarynutrionrequirementsofresidents,thespatialdiferentiationasanalyedbyTeil index,andthemaininfluencingfactors wereanalyzedbythegeogapicaldetector.Theresultsshowedthatthelandcarringcapacity indexofthe wholeprovincein2O22showedaspatialdistributionof“twoareas withhighvaluesandoneareawithalowvalue",that was,theeastandnorth were highandthesouth waslow.Teoverallspatialdiferenceofthelandcaryingcapacityindexwalarge, which mainlycaefromintra-regionaldiferencs.IntraregionaldierencesweremainlyrefltedinurbaniedaeasFrotheper spectiveofloadtype,theoverloadarea was mainlydistributedin Taihang Mountain,YanshanMountain,Bashangandurbancenter, thebasic balanceareawasscatered,andthesurplusareawasmainlydistributedinthesouthernplainareaandthecoastalplaiarea ofeasternHebeiProvince.Theresultsofthegeographicdetectorshowedthattheurban-ruralincomegapwas themostimportantfctor affecting tespatialdiferenceoflandcarringcapacitinteprovince,ndteaininfueningfactrsvariedindiferentsubrgions. Key Words: carrying capacity of land resources; broad food concept;dietary nutrition; Hebei Province
土地资源作为食物生产的重要空间载体,是粮食安全的关键。(剩余8864字)