摘要
绿地系统具有生态、娱乐、美学等多种功能,对于城市至关重要。大多数绿地系统采取网络格局以获得在城市中的均衡分布,但是在实践中仍然存在若干问题。其中,廊道是最值得关注的。廊道的概念来自于景观生态学,规划师用所谓的生态廊道连接绿地,形成非常视觉化的网络。虽然规划师以生态的名义使用廊道,但是他们更关注廊道的美学作用。廊道的功能被过高估计是由于相信它可以保护多样化。然而,廊道不仅仅是野生动物通往新栖息地的道路,也是生物入侵的途径,后者将造成物种单一化。水廊道被频繁使用以模仿威尼斯和阿姆斯特丹,而这可能导致城市环境恶化。介绍绿地系统的发展历史和当前趋势,以及在绿色基础设施中的作用。分析当前模式所存在问题,提出可控廊道的绿地系统概念,以求为绿地系统实践探寻一种可持续方式。
Green space system is important to city, with multi-functions such as ecology, recreation, and aesthetics. Most of green space systems adopt a network pattern for a well-balanced layout in a city, but there are still some problems during implementation. Among those, corridor is the most mattered. The concept of corridor is borrowed from landscape ecology, and planners link green spaces by so-called ecological corridor, to form a remarkably visible network. Though planners attribute corridor to ecological reason, they more focus on its esthetic value. Actually, the function of corridor is over estimated because of the belief that corridor could preserve biodiversity. Corridor is not just a way for wildlife to new habitat; it is also an approach to species invasion, which leads to bio-simplicity. For example, water corridor is frequently applied to parody the success of Venice or Amsterdam. In practice, water corridor does worsen urban environment. This paper focuses on a sustainable and implementable mode for city green space system. At the beginning, this paper introduces the role of green space system in green infrastructure, and its brief history and current trend. The analysis to the problems of current modes is an important part of this paper, focusing on the potential problem caused by corridor. And then, the concept of green space system with controlled corridors is proposed to find a sustainable way for green space network implementation. Finally, some conclusion is drawn.
出处
《中国园林》
北大核心
2010年第8期22-25,共4页
Chinese Landscape Architecture
关键词
风景园林
廊道
城市绿地系统
绿色基础设施
landscape architecture
corridor
urban green space system
green infrastructure
