Volume 15: Low Carbon Cities and Urban Energy Systems: Part IV

Spatial-Temporal Evolution of Ecological Security in Beijing based on Emergetic Ecological Footprint Keling Liu, Bin Chen



With high population density and intensive energy consumption, Beijing has long been facing the huge challenge of ecological security in context of coordinated development of environment, economy and dispersed urban functions. Combining statistical and grid data, this paper analyzed the ecological security status in Beijing from three scales, i.e., city, sub-city and grid, based on an emergetic ecological footprint model. Results show that Beijing has been in ecological deficit and sub-security status with uneven spatial distribution. Concrete measures are then suggested to promote the ecological security of Beijing.

Keywords emergetic ecological footprint, urban ecological security, grid scale

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