宁夏土地综合承载力研究

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1、宁夏大学硕士学位论文宁夏土地综合承载力研究姓名：李雯燕申请学位级别：硕士专业：人文地理学指导教师：米文宝20080401宁夏人学硕}。学位沦交AbstractWimtherapiddevelopmentofhumaneconomyandsociety,economicglobalizationhasmadetheintegrationofregionaltradebecomem锄smgiystronger．Thepopulation，rcsourc器，environmentandotherissuesoftheincreasinglyintensified,andther

2、egionalsustainabledevelopmentbecomeaninevitablestrategicdirection．Thus，thelandCanbearnotonlythenumberofarablelandwhichCancarrythepopulationsizeandpopulationpressureontheconsumer,butalsoshouldbeextendedtocomprehensivelandcarryingcapacityofthisdimension．Iagree诵ththedefinitionoflandcomprehen

3、sivecarryingcapacity,referstoacertainperiod,certainregionsofspace,acertainsocial，economic，environmentalcondidons，landresourcesCancarryallkindsofhumanactivitiesoftllescaleandintensity．ThispapertakestheresoBtv奄environmenteconomicstheory，theoryofregionalsustainabledevelopmentandeconomic11e8c

4、Hlr懈anenvironmental(gEE)cyclecomplexsystemtheoryasthebase,accordingtotherealisticresourceconditionoftheregionalcitiesorcountiesinNingxia，toanalyserelevantlyinthefactorthatinfluencingthelandcomprehensivecarr咖gcapacityofNingxia．Andaccordingtoattributeofeveryfactorandpowerofinfluencingeachot

5、her,toconfirmthreesupportingsystemsofthelandcomprehensivecarryingcapacity：naturalsupportingsystem，economicsupportingsystem，societalsupportingsystem．EachsupportingsystemchoosealotofindexesformtheindexsystemofNingxialandcomprehensivecarryingcapacity,havechosen28indexesaltogether．Throughthep

6、rocessesasfollows：constructtheindexsystem，confmtheindexweight，choosethemathematicsmodel(principalcomponentanalysismethodandanalysisofvariance-decision)，analyseanddisposethedata，discusstheresults，etc，tocalculatetheindexofthecom加ehensivecarryingcapacityintheregionalcitiesorcountiesofNingxia

7、underc鲥ainsociety,economy,ecologicalenvironmentconditionatthepresentstage，clusteranddevideintofivetypesofareas，asthemaxinlRillcarryingcapacity,high，medium，lowareasandtheminimumarea8．capacity，andtheharmoniousdegreeofthesethreesupportingsystems．Moreover,thispapermaket