A Study On The Functions Of Botanical Garden In The Characteristic Construction Of Urban Greening

Botanical garden has arisen and developed with the development of human society. Nowadays botanical garden is not only embodiment of the wisdom that humans make use of and transform nature. It is also a symbol of civilized construction of cities and regions. Thus it is closely related with the exploitation and protection of botany, scientific research, science popularization, and recreation.With the rapid development of urbanization and deterioration of ecological environment, botanical garden also has great significance to the ecological science and the protection of urban greening, besides academic research. As an important component of the urban greening system, botanical garden is a crystallization of science, art and culture the platform for landscapes of natural community, providing an impetus and source to the innovation of urban greening and playing a ligament and demonstration effect in the construction of characteristic urban greening. With its superior geographical location, scientific connotation, rich species of plants, beautiful appearance as well as its contribution to urban greening, botanic garden is favored by the public and is drawing government's attention.Starting w??the importance and the main unresolved issues of characteristic construction of urban greening, we will discuss the functions of botanical garden in constructing urban greening of characteristics combining with its quantity and quality requirements, from the functions and advantages in the hope of providing a theoretical reference for the rational development and utilization of botanical garden.Meanwhile, through case study and field research of botanical gardens both at home and abroad, we will analyze distinctive plant landscapes for reference to future workers in this field, with a discuss on the development strategies of China's botanical gardens under the new situation.