Guangzhou Urban Forestry Construction Framework Study

The city, where modern people inhabited, is an ecosystem that is composed of human being but not a perfect one. As the elementary producer in the city ecosystem, city forestry plays an important role in the improvement and protection of the sustainable development of city environment. According to the change of 'city degree' , city forestry usually can be divided into three parts, urban district forest, suburban forest and outer suburbs. Due to certain structure of each part, the functional effects are different. The development of modern city needs a newly green ideology, that is to consider city forestry as a sign to develop a green culture. City forestry, which studies on city forestry ecosystem, is a borderline, comprehensive discipline. It is also a service trade of the city, which supplies the citizens with a safe ecological environment and creates social benefit. The purpose of city forestry construction is to introduce the forest into the city, which can make the city feel like locating in a forest. It can help the city to improve and beautify the ecological environment, maintain the city ecological equilibrium and heighten the quality of people' s life.Taking the city forestry as the research target, the essay expounds the basic concepts of the city forestry, analyzes the quality and characteristic of the city forestry, and compares the development situation of internal city forestry with abroad. What' s more, combined with the effect having achieved by Guangdong Province, especially in Guangzhou city, in recent ten years, the essay has made a detailed plan of the city forestry in Guangzhou city. It will put the emphasis on the construction of the city forestry ecological system in urban district, suburban, and outer suburbs. While making a comparative description to the city forestry construction, the essay also does research on the guiding thought, target system and technical point. In the plan of city forestry system, the author uses forestry ecology theory and urban landscape theory to underline the sustainable development of city forestry and coordination between human being and nature. Meanwhile, the essay also analyzes the future implement of Guangzhou' s city forestry construction from the point of management. It details each functional model and puts stress on the function of many related systems of city forestry and the management information system in city forestry construction. Linking with the computer technology and information network technology, the essay uses '3s' technology (geographical information system, remote sensing and global position system) in the city forestry construction, which accomplishes the combination of science, integration and trends in Guangzhou' s city forestry ecosystem.Through the systematic research on city forestry and the combination with the specific circumstances of Guangzhou city, we hope that we can connect the forest, landscape, grassland and other open space of the inner city with the outer city to fit the city environment and improve the grassland system, which can maintain the sustainable development of Guangzhou' s city forestry, and balance the ecological benefit, social benefit, economical benefit and adjustment between human being and nature.