The Primary Research On Diversification Of Modern City Urban Green Space System Layout

City greening, as the symbol of the urban civilization degree and important contents of environment construction of the city, with its special functions on enriching cityscape, bettering investment environment and developing local economy, is increasingly suffering general concerning of people day by day. "Person ·city ·nature" have already become a kind of mode on city's construction and development. Seeking the city and nature's coexistence, mankind and nature's harmonious coexistence and promoting human society's sustainable development nowadays have become the direction of a development of current city and the world people's common wishes. Urban green space system planning is a double-edged sword that can turn these aims into the practicable blueprints. Analysis of its layout is the breakthrough point of studying green space reasonable distribution and elaborating their entire functions. Our country is a multi-nationality country and vast in territory. And cities of different regions have distinct characteristics of themselves .Because of the differences of each city's nature environment and cityscape, it has determined the difference of layout between each urban green space system in principle, namely pluralism of layout. Today of global informationization and economic integration, the greatest threat that the cityscape faces is local individual character and characteristic fading, cityscape is becoming more identical. So study on modern urban green space system layout is full of multiple realistic meaning. In the first chapter, the thesis lays stress on combing the concept of urban green space system layout and some relevant concepts, and analyses the importance of urban green space system reasonable layout. In the second chapter, the paper analyses the connected factors which influence urban green space system layout( primarily from these two major aspects of natural and social economy). At the same time, combined with the instances the paper brings up concrete operation opinions and attention and breakthrough points on urban green space system layout. In the next chapter, through carding factors on urban green space system layout, the thesis concludes them to seven words, they are "point (block, park), line (belt), area, district (region), ring (circle), wedge and corridor (axis)".At the same time, the paper summaries all kinds of layout patterns and simply evaluates four basic layout patterns, which are block, belt, wedge and blend pattern. And it tries to propose the green network layout mode. At the last chapter ,the thesis combines numerous urban green space system planning and refine principles on layout .These eight layout principles primarily include the whole principle, continuity principle, characteristic principle, harmony principle, ecology principle, humanity principle, systematized principle of the network and prospective principle. The next, as Yang Zhou urban green space system planning for example, and based on the theory of landscape ecology, the paper analyses the method of modern urban green space system layout and brings up ten reference suggestions.