Modified study of ecological footprint model ——A case of mining cities in central Liaoning

doi:10.7523/j.issn.2095-6134.2009.5.008

Abstract

Abstract:

In order to improve the veracity of the ecological footprint model, the emergy analysis and social-economy system development index were introduced into the model, and the mining cities in central Liaoning were taken as cases. Results showed that, based on the modified model of ecological footprint, the EF was 6.95hm², the EC was 1.72hm², and the per capita ecological deficit was 5.23hm² in 2005, so the overloading degree of EF of mining cities in central Liaoning was serious. The proportion of energy ecological footprint was the highest (55%). The test results indicated that, the analysis of the modified model could be more exact.

Key words: ecological carrying capacity, emergy analysis, social-economy system development index, modified model of ecological footprint, mining cities in central Liaoning

CLC Number:

F062.2

GU Kang-Kang, LIU Jing-Shuang, WANG Yang. Modified study of ecological footprint model ——A case of mining cities in central Liaoning[J]. , 2009, 26(5): 633-639.

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