Study on urban ecological sustainability based on emergy theory-taking Zhenjiang city as an example

2019 9th International Conference on Future Environment and Energy

生态环境科学;能源学

Zhang, Junxue^1^2

School of Architecture, Southeast University, Nanjing

210096, China^1

Key Laboratory of Urban and Architectural Heritage Conservation, Ministry of Education, China^2

关键词: Ecological environment problems;    Ecological sustainability;    Environmental loads;    Industrial restructuring;    Municipal government;    Non-renewable resource;    Research significances;    Sustainable ecological development;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/257/1/012011/pdf
DOI  :  10.1088/1755-1315/257/1/012011

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

With the rapid development of the economy, the deterioration of the ecological environment problem has followed and the city's ecological assessment has become increasingly important. This article uses a quantitative ecological analysis method-emergy method to assess the ecological status of the city. The research object is Zhenjiang City. Through the calculation of a series of ecological sustainability parameters about Zhenjiang City, the city's ecological system is quantitatively evaluated. The results show that: 1. there is little change in renewable resources from 2012 to 2016 and a rapid increase according to the value of non-renewable resources; 2. the environmental load rate (ELR) has rapidly increased and the urban ecological sustainability has not improved; 3. Through Zhenjiang's GDP and GDP per capita grew rapidly from 2012 to 2016, it did not achieve satisfied results about industrial restructuring. In summary, the development in recent years has not achieved the expected effect and sustainable ecological development of Yangzhou City. The research significance of this article can provide a reference for the Zhenjiang municipal government to formulate better policies. Secondly, it has positive significance for the formulation of other urban policies.