RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2004, Vol. 13 >> Issue (6): 557-561.

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RELATIONSHIP BETWEEN POPULATION DISTRIBUTION AND LAND USE AND SPATIALIZATION OF POPULATION CENSUS DATA

LIAO Shun-bao, LI Ze-hui   

  • Received:2003-08-01 Revised:2003-10-08 Online:2004-11-20
  • Contact: LIAO Shun-bao

Abstract: Through the multiple variable regression analysis, it was found that there was a linear correlation (r=0.93 ) between mean population densities and various land use indexes for 151 cities and counties, with population densities less than 1 000 person per square kilometers, in Sichuan Province and a logarithmic correlation of r=0.96 between them. Based on the established quantitative population density - land use model, the spatialization of population census data in Sichuan in 1999 was carried out. And actual township's population data in Luojiang County was used to verify the precision of spatialization. The result showed that the correlation ratio between actual township's total population and the total population calculated by spatialization equaled 0.91 and mean error percentage was 16.5%.

Key words: population distribution, land use, population census data, spatialization

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