基于生态足迹模型的柳州市生态安全研究

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1、桂林理工大学硕士学位论文’．AbstractWiththedeVelopmentofChina’srefbrmand0pening，therapiddevelopment0fchina’seconomy，theheaVydrainofresources，theworsenedenvironmentalpollutionandseVerelydamagedecologicalenvironment，sustainabledevelopmenthasbeenbecomingaconsensusthingandoneofthemostimportantbasic

2、nationalpoliciesin0urcountry．Liuzhouisintramcfortressofconnectingsouth，north，eastandwest．andanimportantindustrialcityinsouthofchina．Liuzhouhasgraduallyformedanindustrialstructureofmachinery，automobile，chemical，sugar，papermaking，metallurgy，buildingmaterials，cosmeticsandsoonasMa．jor

3、componentinrecentyears．IthasanSeriouseffeetontherecentconstructionofecologicalcityandecologicalmodelcitywiththeseriousenvironmentalproblemsofenvironmentalpollution，soilerosionandacidrainfrequencyands0on．So，ithasimportantpracticalsignificancet0eValuateecolOgicalsafetyofLiuzhou．Onth

4、ebasedofthetraditionalecologicalfootprintmodel，thispaperanalysestheecologicalcarryingcapacity，ecologicalf’00tprintandecologicaldeficitfrom2000to2007inLiuzhou，usestheecologicalpressureindexasthekeyindicatortoeValuateecologicalsafetyofLiuzhouandusesthediversityindex，ecosystemdeVelop

5、mentcapacityandec0109icalfootprintperl0000GDPasthecomplementaryindicatorstoeValuatesustainabledeVelopment．Thispaperfocusesonanalysingtheecologicalsecurityandsustainabledevelopmentofurbanareaandcounties．inordertoidentifyunsafeareasandc宣uses，andputfOrwardcorrespondingcountermeasures

6、．Thispaperdrawedanfollowingconclusionsfromanalysisabove：1．LiuzhouecologicalcarryingcapacityperpersonisfromO．69hm2t0O．73hm2，higherthanGuangxi(GuangxiZhuangAutonomousRegion)butlowerthanchina，so，itisnothigh；Liuzhouecologicalfootprintperpersonisfrom1．7679hm2to3．9689hmz，muchhigherthanG

7、uangxiandchina，soitisahigherecologicalfbotprint．thehigherecologicaldeficitareasareurbanarea。thesOuthernthreecountiesandSanjiangcountyfor，theorder：urbanarea>Luzhai>Liuiiang>Liucheng>Sanjiang>Rongan>Rongshui．2-LiuzhouCityhasbeenintheecologicalinsecuritystatefrom2000to2007．sohaVeurba

8、nareaandallcounties．butitisdiffer