区域耕地资源安全预警的研究——以毫州市为例

区域耕地资源安全预警的研究——以毫州市为例

ID:34031092

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页数:80页

时间:2019-03-03

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1、摘要IIAbstractCultivatedlandresourcesisthemostvaluablematerialfoundationformaintainingtheecologicalentirement,survivalanddevelopment9fthehumanbeings.Inrecentdecades,withtherapiddevelopmentofoursocietyandeconomy,allkindsofconstructhaveoccupiedlotsofcultivatedland,especiallyhigh—qualitycult

2、ivatedland,whichmakesthequantityofcultivatedlandkeptonincreasingandthequalitydecreasing.Againstthebackground,conductingearlywarningofcultivatedlandresourcessecurityisofgreatsignificanceinensuringChina’Sfoodsecurity,promotingtherationalallocationofcultivatedlandresourcesandalleviatingthe

3、contradictionbetweenhuamansandland.Onthebasisofdrawinglessonsfromforeignanddomestictheories,researchmethodsandresearchfruits,thepaper,fromtherespectiveoftheconceptsandconnotationofcultivatedlandresourcessecurity,attemptstoestablishtheearlywamingsystemfromthefollowingthreeaspectsofcultiv

4、atedland:quantitysecurity,qualitysecurityandsociety-economicsecurity.ItalsohasmadesstudyofBozhoucitytoearlywarnofitscultivatedlandresoucessecurityintheyear2015.(1)Forcastingthepressureindexofregionalcultivatedland.Onthebasisofthedataaboutthecultivatedlandareas,foodproductivityandpopulat

5、ionchangesduring2000—2009ofBozhou,thisdissertation,throughrelatedindexforcast,hascalculatedtherealpercapitacultivatedlandareaandtheleastpercapitacultivatedlandareain2015,italsointroducedthepressureindexmodelofcultivatedlandtoprobethepressureofcultivatedlandofBozhoucityin2015.Theresearch

6、indicatesthatthecultivatedlandofBozhouin2015hasnoobviouspressure,foodproductioncannotonlymeetthedemandsofeconomicdevelopmentandgrowingpopulation,嬲wellasalargesurplusforAnhuiProvincetomakecontributionsforthewholecountry.(2)Studyonearlywarningofregionalcultivatedlandresourcessecurity.Firs

7、tly,establishingtheearlywarningsystemtomakeawarningscoreofvariousindeces;secondly,usingthefuzzycomprehensiveevaluationtoconstructthewarningmodel,SOastodeterminethesafetylevelofBozhouin2015.Theresearchindicatesthatthelandresourcessafetyaccountsfor74.17%and25.83%incaseofsmallandm

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