Sustainability analysis of the urban ecosystem in Guangzhou City based on information entropy between 2004 and 2010
查看参考文献45篇
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文摘
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The urban ecosystem possesses dissipating structures that can absorb substances and energy from the external environment and export products and wastes to maintain order within the system. Given these circumstances, this paper analyzed the ability of the urban ecosystem in Guangzhou City to sustain development from the perspective of entropy. The research was carried out in three steps. First, an evaluation index system that considers the ability of the urban ecosystem for sustainable development was formed based on the structures and functions of the urban ecosystem and the change in the entropy of the urban socioeconomic ecosystem. Second, the sustainable development ability assessment model for the urban ecosystem was built using information entropy. Last, by combining the time series variation of the evaluation indicators with the entropy weights, this paper analyzed the influence of the combined factors on the sustainable development ability of the urban ecosystem in Guangzhou and suggested some measures to promote the sustainable development of the urban ecosystem in Guangzhou. The conclusions of this study can be summarized as follows: (1) The urban ecosystem has developed in an orderly and healthy direction, with effective control over the urban environmental pollution problems in Guangzhou between 2004 and 2010. (2) The sustainable development ability of the urban ecosystem had been on an upward trend in Guangzhou during the study period. The ability of the natural urban ecosystem to support the urban socioeconomic ecosystem increased continuously, and the improved ecoenvironment enhanced the harmony and vitality of the urban ecosystem in Guangzhou. |
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来源
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Journal of Geographical Sciences
,2013,23(3):417-435 【核心库】
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DOI
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10.1007/s11442-013-1019-5
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关键词
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urban ecosystem
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entropy change
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information entropy
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sustainable development
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Guangzhou City
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地址
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Guangzhou Institute of Geochemistry, CAS, Guangzhou, 510640
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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1009-637X |
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学科
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地质学 |
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基金
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Project funded by both the Bureau of Science and Information Technology of Guangzhou Municipal Government and the Key Laboratory of Offshore Oil Exploration and Development in 2011
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文献收藏号
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CSCD:4800889
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45
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