城市困难立地绿化生态改良研究——以无锡市城南世家居住区景观绿化为例

Study on Ecological Improvements of Urban Challenging Sites Greening——A Case Study of Residential Landscape Greening in Chengnanshijia, Wuxi

快速城市化带来诸多"城市病",生态空间缩减、生境破碎化和立地条件质量低下,是现阶段城市生态化发展面临的瓶颈问题,城市绿化建设面临越来越多的城市困难立地。文章在简要回顾城市困难立地绿化研究和实践基础上,以无锡市梁溪区城南世家居住区景观绿化为例,聚焦场地尺度的居住区城市困难立地绿化生态改良研究,强调了实施前期场地立地状况调查评价的主要内容和基本流程,阐述了景观绿化工程的建筑废弃物利用、绿化种植土改良、海绵功能构建等绿化改良工程化措施,以及绿地生态改良应用的主要效益评价,为场地尺度城市困难立地绿化质量提升提供借鉴。

Rapid urbanization has brought many problems of"urban diseases",the reduction of green space,fragmentation of habitats,and low quality of site conditions are the bottleneck problems faced by the development of urban ecology at this stage.Based on a brief review of the researches and practices of urban challenging sites greening,this paper takes the residential landscape greening of Chengnanshijia,Liangxi District,Wuxi as an example.Focus on the study of ecological improvement of urban chalenging sites greening in residential areas,the main content and essential process of site investigation,and evaluation in the early stage emphasized.Construction waste utilization,green planting soil improvement,sponge function construction,as well as the primary benefit evaluation of green ecological improvement applications described,this may provide experiences for the advancement of the green quality of the difficult site in city scales.