广州与上海城市生态系统能值的分析比较

利用能值分析理论和方法,从自然—社会—经济复合生态观角度对广州和上海的各种生态流进行比较研究。结果表明上海的经济发达程度、居民的能值福利和环境压力都比广州的高,广州在自然可更新资源和人口承载量方面明显优于上海,具有更大的可持续发展潜力。从能值理论和可持续发展角度分析,广州应加强科技力量和提高自然资源的利用效率,上海应在控制人口的基础上探讨更合理的发展模式。

Emergy Analysis of Guangzhou and Shanghai Urban Ecosystem

Utilized the Emergy evaluation theory and method,Guangzhou was compared with Shanghai on the view of nature-society-economy compound ecology.It indicated that the economic development,the residential emergy-welfare and the environmental pressure in Shanghai were higher than in Guangzhou.But,in the fields of the natural renewal resource and the population bearing-capacity,Guangzhou was superior to Shanghai.In a word,Guangzhou had more sustainable developing potentiality.From the angles of emergy theory and sustainable development,Guangzhou should strengthen the scientific and technical power and increase the utilization efficiency of natural resource.Shanghai should approach a reasonable developing pattern on the basis of controlling the population.