论文对当前国外的城市自然保护与生态重建活动作了介绍。城市自然保护包括野生生物生境保护、城市地区湿地及自然景观保护等内容。城市生态重建则主要有生态公园建设、废弃地生态重建、城市扩散廊道体系建设等方面。城市自然保护与生态重建具有以生态学为基础,多学科交叉;注重生态过程的恢复;多目标、多层次规划设计的特点。在此基础上,论文给出了4点对于我国城市生态建设的启示。

The urban nature conservation and ecological rehabilitation activities in western countries initiated since the 1970s are introduced in this paper.The urban nature conservation includes mainly the following aspects:urban wildlife protection,natural landscape protection and wetland protection.The ecological rehabilitation practices consist of a number of phases such as eco park construction,greenway design,dispersal corridor network planning and stormwater management.Three features of the urban nature conservation and ecological rehabilitation are distinguished:ecology based practices and interdisciplinary collaboration;stressing the restoration of ecological process;and multi functional and hierarchical planning.Some enlightenments are given as follows:re valuation of the importance of urban nature conservation;enhancement of fundamental data inventory;re building city open space planning theories;and ecology based urban planning.