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2007中国科协年会

作者： Huang Heping~(1,2) Bi Jun~(1,*) 1.State Key Lab of Pollution Control & Resource Reuse,School of the Environment,Nanjing University,Nanjing,China,210093 2.School of Resource & Environment Management,Jiangxi University of Finance & Economics,Nanchang,China,330032

Resource scarce and excessive consumption have become tire obstacle to national or regional sustainable *** China’s government put forward the stratagem of circular economy and engages into reconstruct a society of environmentally sound and less resource *** paper rakes the eco-environmental system in Jiangsu province for an example;combined the results of MFA(material flow analysis)and local economic information,the material or resource productivity which is an expressive form of eco-efficiency were calculated and *** results showed that the series of eco-efficiency in the study area has been increasing in different degrees.

关键词： Environmental Science material productivity Eco-Efficiency Jiangsu Province

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Preliminary Research on Regional material Flow Analysis:A Case Study of Chengyang District in Qingdao

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Journal of Northeast Agricultural University(English Edition) 2008年第2期15卷 41-47页

作者： ZHOU Zhenfeng SUN Lei College of Resources and Environment Qingdao Agricultural University Qingdao 266109 Shandong China School of Environmental Science and Engineering Ocean University of China Qingdao 266003 Shandong China

The method ＂material Flow Analysis （MFA）＂ is one of the effective tools to study law and quantification of material flow between economic system and ecological system. On the national level, economy-wide material flow analysis has been published for a number of countries. However, published studies on the regional or local level are still very limited and a standardized method does not exist yet. On the basis of framework of material Flow Analysis proposed by Eurostat, the paper collected related data and analyzed material input and output for the Chengyang district in Qingdao. The results showed that DMI （Direct material Input） and TMR （Total material Requirement） in absolute number increased about 3.6 and 3.9 times, respectively from 1995 to 2004. Fossil fuel and mineral contributed to about 50.3%-76.3% of DMI. Imports of material increased about 5.0 times and became the most important Contributor to DMI, which showed that local economic growth was highly dependent on resources from other regions and countries. DPO （Domestic Processed Output） and TDO （Total Domestic Output） represent slow increasing trend, and DPO contributed to 22.2%-58.1% of TDO, suggesting local hidden flows were of obvious effect on TDO. The biggest component of DPO is CO2, approximately accounting for 90% of DPO. The material productivity increased 57.7% in last decade, reflecting improvement of efficiency of resources utilization in some extent. However, compared to developed countries and regions, material productivity of Chengyang district was relatively low. Therefore, in order to promote the sustainability, it is essential to develop circular economy and enhance materials productivity.

关键词： material flow analysis DMI TMR material productivity

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