吉林省人口密度空间格局演变及其形成机制-论文.pdf

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1、2014年第4期总第138期文章编-~-：1003—2398(2014)04·0092-05吉林省人口密度空间格局演变及其形成机制梅林，陈妍’(1．东北师范大学地理科学学院，长春130024；2．东北师范大学人文学院，长春130017)EVoLUTIONCHARACTERISTICSANDFORMINGMECHANISMOFP0L丁LATIONDENSITYSPIALPATTERNINⅡLINPRoⅥNCEMEILin，CHENYahfj．SchoolofGeographicalScience,NortheastN

2、ormalUniversitv,Changchun130024,China,"2．CollegeofHumanidesandSciences,NortheastNormalUniversitv,Changchun13011ZChina)Abs2act：Thestudyonregionalpopulationevolutionishelpfultorevealtheruleofpopulmiondistributionandisimportantformakingreasonablepopulationdevelop

3、mentpolicy,urbanplanningandtheregionalSUS—tainabledevelopment．TakingJilinProvince，oneoftheoldindustrialbasesinChina，asacase，thispaperde—scribestheevolvingcharacteristicsandformingmechanismofthepopulationdensityspatialpaRernoncoun—tylevel~om1990to2010．Basedonpo

4、pulationcensusdata，itpinpointstheevolutioncharacteristicsandspa—tialpaternofpopulationdensityinJilinProvincethroughthespatialautocorrelationanalysis，indexofpopu。1ationconcentration．andfiendanalysis．ItshowsthatthepopulationdensityofJilinProvincehas”middle—higha

5、ndwings—low”feature，andthepopulationgrowthofJilinProvinceisalwaysincentralizedandlongitu—dinalpattern．Meanwhilethediferencesofthespatialpaternofpopulationdensityarehuge，57．2％districts’spatialpatemsofpopulationdensityhaschangedoverthelast20years．Thetrendchanges

6、fromthatassem—blingonthe”single-core”，viz．Changchuncity,tothatassemblingon”multi—cores”，viz．theprefecture—levelcities．Anotherworthycharacteristicsthattheabilityofgatheringpeopleofwestareabecomess~ongerthanthatoftheeastsincetheyear2000．Naturalenvironmentandhist

7、orica1foundationsdirectinfluencingfactorsthatacceleratethespatialunbalanceddistributionofpopulation．Flatregionswithlessdisastersandcomfort—ableclimatearealwaysthefirstoptiontobesettled．Economicdevelopment，policiesandcityreconstructionarealsoplayimpo~antrolesin

8、centralizingpeopletowell—developeddistricts．Economyistheengineofthepopulationgrowthanddecisivefactorthatinfluencingthepopulationdistribution，policiesandcityrecon-structionarethecru