Gan Jing

Keywords： Urban Built Environment; Urban Biodiversity; Affecting Factors; Optimization Approaches

Abstract：

Urban biodiversity is a key indicator to assess urban ecosystem services, which is of great significance to maintain ecological security and balance of urban system as well as to improve the urban settlement. The current eco-city development in China is centered by the human-oriented built environment focusing on low carbon transportation, energy saving and green building, while fewer researches and practices have been carried out in the field of urban biological habitat system and its relationship with built environment. From the perspective of urban spatial planning and design, this paper reviews relevant literatures on the relationship between urban built environment and urban biodiversity, analyzes the characteristics of urban flora and fauna, summarizes biological substrate elements and artificial interference elements as two dimensions of built environment factors affecting urban biodiversity and their influencing mechanisms. In order to improve the biological substrate quality as well as to mitigate the disturbance by manmade environment, four aspects of key built environment optimization indicators are elaborated: ecological land, vegetation, building intensity and human activities, with a view to provide basis for planning and design to conserve and enhance urban biodiversity.

Funds：

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