桂林理工大学学报2012，Vol.32Issue(1)：115-120,6.DOI:10.3969/j.issn.1674-9057.2012.01.019
桂林市生态经济系统的能值分析及可持续发展研究
Emergy Analysis and Sustainable Development on Eco-Economic System of Guilin
摘要
Abstract
By the emergy theory, the eco-economic system of Guilin is analyzed, which has related to net emer-gy yield ratio(EYR) , emergy dollar ratio(EDR) and emergy investment ratio(EIR). About 9 indexes are included and analyzed in the trend of development. The conclusions are; (1)The net emergy yield ratio( EYR) of Guilin rose from 5. 748 in 2003 to 6. 749 in 2008, indicating the improvement of net benefits of eco-economic system in Guilin and the production efficiency. (2)The trend of ascended environment loading ratio(ELR) of Guilin suggests the environmental pressure increased. (3)The emergy index for sustainable development(EISD) of Guilin decreased from 2. 710 in 2003 to 0. 865 in 2008, suggesting the quick diminished ability of sustainable development. It indicates that the development of Guilin enhances its ecosystem pressure and the region sustain-ability decreases. Accordingly, suggestions about improving Guilin sustainable development are presented.关键词
能值分析/生态经济系统/可持续发展/桂林市Key words
emergy analysis/ eco-economic system/ analysis of sustainable development/ Guilin分类
资源环境引用本文复制引用
徐子涵,成官文,王浩,付弘源,卢国丹,覃平..桂林市生态经济系统的能值分析及可持续发展研究[J].桂林理工大学学报,2012,32(1):115-120,6.基金项目
广西教育厅研究生教育创新计划项目(200910596R01) （200910596R01）
