With social improvement and development of economy , biodiversity conservation in urban ecosystem has been paid more and more attention , and is becoming one of the focuses of biodiversity research and conservation 摘要随着社会进步和经济的不断发展，城市生态系统中生物多样性的保护已倍受世人关注，成为当前生物多样性研究与保护的热点领域之一。
Urban green space is an important part of urban ecosystem , possessing negative feedback regulating functions , which to a certain extent brings various ecological functions into play to maintain the balance of urban ecosystem 摘要城市绿地是城市生态系统中具有负反馈调节功能的重要组分，能在一定程度上发挥各种生态功能，维持城市生态系统的平衡。
It defines the function and circulation of sustainable development eco - city system . the spatial framework of sustainable development eco - city is put forward and the rules and conditions of the spatial framework are discussed 根据城市生态系统功能和运行理论,对基于可持续发展的生态城市系统运行进行了定义,提出了基于可持续发展的生态城市的空间和时间运行体系。
Urban green spaces to improve the ecological environment , biological diversity and the maintenance of urban - urban balance has overlooked the role of ecosystems , the city is an integral and important part of the ecosystem 城市绿地对于改善城市生态环境、维持城市生物多样性以及调节城市生态系统平衡起着不可小觑的作用,因此是城市生态系统不可分割的重要组成部分。
Abstract : some issues about urban ecosystem and economics system are studied . the focal point is the urban ecological productivity and benefits , the urban economical productivity and benefits 文摘:文章围绕城市生态系统和城市经济系统进行了相关问题的研究，重点探讨了城市生态生产力、城市生态效益、城市经济生产力、城市经济效益及城市生态系统和城市经济系统的关系等问题。
Therefore we combine demonstration analysis with academic , put forward the model of eco - city based on sustainable development and deeply study the methods of building sustainable development eco - city based on the successful experience 本文以可持续发展理论和城市生态学为基础理论,以城市生态系统为研究对象,提出了基于可持续发展的生态城市建设模式,并对其进行了广泛而深入的研究。
On the basis of determining the intension of urban ecosystem the chapter emphatically discusses the character , structure , function of urban ecosystem and the basic theory and method of urban ecosystem and economic coordinated development research 在界定了城市生态系统内涵的基础上，着重论述了城市生态系统的特点，构成、功能特性，以及关于生态环境与经济协调发展研究的基本理论观点与方法。
As the link of the artificial environment and the natural environment , the urban waterfront which is the main element of the composition of the city makes up the unique landscape of the region , moreover it is the city life carrier 城市滨水区是城市生态系统的有机组成部分。作为城市人工环境与自然环境的结合点，它在构成独特区域景观的同时，又是城市生活的载体。黄土高原地质地貌环境复杂，沟壑纵横，水土流失现象严重。
With the development of the citifying and modern city , the construction and coordinative development of urban ecosystem has become the important research field of ecology and many other subject , such as environmental economics , urban planning , urban economics 随着城市化和现代城市的发展，城市生态系统建设及其协调发展已成为生态学的重要研究内容，也是环境经济学、城市规划学、城市经济学等众多学科的重点研究领域。
The second chapter sets out with the essential factor of nature , society , and economics . taking ecosystem and resources , regional economic development , urban distribution and population as the main point , the chapter systematically analyses the structure and character of dalian urban ecosystem 第二章主要从自然要素、社会要素、经济要素入手，以生态环境与资源、区域经济发展、城镇布局与人口为重点，系统分析了大连市城市生态系统的组成及其特征。
