从生态学角度思考山地城市绿地系统

Discussion about urban green system in mountainous region based on ecology

从生态学的观点出发,分析了山地城市绿地系统的生态学特征,认为城市的结构实质上是多种生态斑的互相嵌合,并用斑块的内部/边缘指数表示绿地的生态效益的大小或类型.指出山地城市绿地系统独特的形态构成特征无论是对丰富城市景观,还是创造良好的城市生态环境,促进城市生态系统的稳定及良性循环,为广大城市居民提供一个舒适宜人的生活、居住、工作环境,都具有不可忽视的生态学意义.提出了关于山地城市绿地系统的几点思考及解决措施.

Based on ecological view, this paper analyzes the characteristic of urban green system in mountainous region. It is considered that the essence of the city structure is the gomphosis of many kinds of ecological spots. The ecological benefits of the green land can be expressed by the inside/margin index of the gomphosis. It is pointed out that the modality of the urban green in mountainous region with unique system characteristic has remarkable ecological significance which cannot be ignored for enriching the cityscape, creating the good urban ecological environment, promoting stability and beneficial cycling of the urban ecosystem as well as offering a comfortable and pleasant environment to the urban masses. Finally some thoughts about urban green system in mountain region and some settlement measures are proposed.