该文给出了城市生态安全的概念及设计方法,对城市生态安全的维护与管理进行了实例分析,提出了维护城市生态安全的的动态性与多样性,强调健全生态立法体制,注重政府经济转型时期政府及社会的投资,并探讨了基于生命周期评价(LCA)的生态安全理念生态设计方法,最后提出了建立城市生态安全预警和防护体系的设想。This paper brings forth the concept of city ecology safe and its design method, carries out the example analysis on its maintenance and management, puts forward to defending its dynamic feature and diversity, emphasizes to perfect the ecological legislative system, pays attention to the government and social investment during the turning-type period of government economy, and discusses the ecological design method based on LCA of ecological safely concept. Finally, the paper proposes an assumption to establish the pre-alarm and protection system for the city ecological safety.国家自然科学基金项目(项目批准号:50578136)的部分成
