论文部分内容阅读
城市涉及面非常广泛,如何从生态平衡的角度来规划与建设城市,是摆在城市工作者面前的一个新课题。国外对城市生态的研究,是从七十年代开始的。在自然生态系统中,绿色植物是初级生产者,它通过光合作用使太阳能不断地输入生态系统,是任何生态系统中必不可少的组成成份。在城市生态系统中,城市园林绿地同样起着重要的反馈作用,它的一系列生态效应是保持城市生态系统平衡不可缺少的环节。
The city is involved in a very wide range of issues. How to plan and build a city from the perspective of ecological balance is a new topic for urban workers. The study of urban ecology abroad began in the 1970s. In the natural ecosystem, green plants are primary producers, and solar energy is continuously input into the ecosystem through photosynthesis and is an indispensable component of any ecosystem. In urban ecosystems, urban garden green space also plays an important role in feedback. Its series of ecological effects is an indispensable link in maintaining the balance of urban ecosystem.