Studies On The Theories And Practice Of Ecological Construction For Urban Green Space-A Case Of Sanhe, China

Urban green space is a subsystem of urban compound ecological system-the ony subsyetem capable of production and self-adjustment.Urban green space system built by a variety of green land with different type,nature and scale in city is a stable system of urban green environment,urban green space is reflected in the systems integration.The city green space system can make itself clean in the city ecological system.It can not only clean air,improve the city climate,debase noises,hold natural environment,but also can make the city sight better and better.The paper mainly takes the city of Sanhe City as an example,uses the special scene elements,pays more attention to the historical clue,green clue and river clue of the city.Through systematic scientific and rational layout,we can build multi-arrangement green space structure,and become the bright theme of cityscape, and then the green space system will have the characteristic of unique style and feature of the city naturally,so pepole can own a better world to live and work which is full of culture and green.The article includes six parts:Part one is the foreword.It clarifies the background of the article.And also it talks about the function of the urban green space system in the environment,and then points out the necessary of planning the urban green space system.Part two,this paper has discussed the development of urban green space system theory at home and broad,as well as the new trend of the development of urban green space system planning,and explained that there is of great practical significance to reflect the city's character by combining the urban green space planning system.Part three discuss the green space system problems of Sanhe City,by analyzing the geographical position,natural resource,society resource,history and culture resource.,at the same time,research the master plan of urban green space system in Sanhe City by analysizing the sstatus of urban green space of Sanhe City.The fourth part classify the urban green space system of Sanhe City as public green space,productive plantation area,protective green block,attached green space and others green lands.At the same time,some practical exampels of every types of green space are studied.Part five mainly study the overall landscape style of Sanhe City.By analyzing the green space actuality of Sanhe,the paper expound the traditional culture and modern culture,combining with the city features,putting the characteristic culture resource into city green space,and expressing the feature culture in zone sights,so it can crest the local features green space.At last,suggestions on the planning for tourism and trees are proposed.Part six is conclusion,which generalize and summarize the article totally.