欢迎来到天天文库
浏览记录
ID:32607899
大小:4.96 MB
页数:54页
时间:2019-02-13
《京津冀地区耕地集约利用空间格局与其影响因素分析》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、万方数据TaihangMountainandsouth-centralofHebeiprovince,andthediffusioneffectinhi【曲valueareaswerenotsignificant;L-L”coldspot”areasweremainlydistributedin21countieswhichlocatedinnorthmountainsofHebeiprovince,bashangplateauandbasinsofnorthwestHebeimountains,wherearethekeyareasi
2、nthefuturetoimprovetheleveloftheintensiveuse.(3)Fromtheoverallregionalperspective,thecorefactorsthatimpactthespatialpatternoftheintensiveuseofcultivatedlandareelevation,traffic,thesustainabilityofresourceandslope,andrespectivelytheinfluencingabilityvaluesare18.22%,16.14%
3、,14.51%and14.02%.Intermsofprovinces:thecorefactorsthatimpactthespatialpatternofcultivatedlandintensiveusearedifferent⋯thefactorsinBeijingaretraffic,slope,thesustainabilityofresourceandelevation,whichmakeup17.27%,16.79%,15.14%and14.90%respectivelyofthewhole;thefactorsinTi
4、anjinarepopulationurbanization,trafficandthesustainabilityofresource,whichaccountfor23.88%,15.93%and12.21%respectively,andthepopulationurbanizationhasadistinctlydecisiveinfluence;themajorinfluencingfactorsinHebeiprovinceareelevation,traffic,thesustainabilityofresourceand
5、slope,whichaccountfor17.87%,16.42%14.10%and13.59%respectively.Apparentlythedominantfactorsonthespatialpatternofintensiveuseofcultivatedlandindifferentregionsaredifferent.Therefore,thedifferentialmanagementandcontrolstrategyforcultivatedlanduseisinevitable.Andapplyadvance
6、dexperienceaccordingtolocalconditions,throughthemanagementoffarmland,accelerationinthelandcirculation,promotingtheruralroadnetworkconstructionandSOforthtoincreasethelevelofcultivatedlandintensiveuseindifferentareasandreduceregionaldifferences.Thus,thehighlightedcontradic
7、toryofman—landCanberesolvedandtheintensiveuseofcultivatedlandcanbegivenaboostintheBeijing—Tianjin-Hebeiregion.Theresultscanprovidescientificcluesforsubsequentresearchinrelatedfields,andprovideadecision—makingbasistoformulatedifferentialmeasurestoimprovethelevelofintensiv
8、euseofcultivated1and.Keywords:IntensiveUtilizationofCultivatedLand;SpatialPattern;ImpactFactors;Geograp
此文档下载收益归作者所有