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  • Ecologically based landscape pattern optimization in northwest of Beijing
  • with ecosystem services and spatial interactions of landscape types, analyzed the spatial difference of the ecological function and the compactness of landscape structure in the study area, and further discussed the landscape pattern optimization proposal
  • Reconstructing gravitational attractions of major cities in China from air passenger flow data, 2001–2008 : a particle swarm optimization approach
  • Air traffic ; Air transport ; Airport ; China ; Optimization ; Passengers ; Per capita income ; Rail transport ; Tourism ; Town ; Transport ; Urban population
  • is too high in specific cases and should be optimized with local soil moisture conditions in semi-arid regions.