近年来,在我国掀起以河流湿地修复促进城市再生的热潮,但局部的治理在一定程度上限制了整治效果和后续维持。以济南小清河流域为例,提出以流域为尺度,从单项治理向湿地生态整体优化转变,通过水脉、绿脉和文脉的三脉贯通与河流的横向、纵向、竖向及时序的四维共建措施,以保护与恢复小清河流域湿地的水源涵养、滞蓄洪水、水质净化、维护生物多样性、休闲游憩等生态功能,构建生命健康的流域湿地生态系统,实现流域湿地与城市发展公正、高效、和谐的生态共生。
In recent years,a lot of work has been implemented about wetland restoration in many Chinese cities in order to improve the ecological environment.However,local governance is limited to remediation effect and subsequent maintenance in a certain extent.In the paper,taking the Xiaoqing River watershed of Jinan city as an example,wetlands management is changed from individual governance to overall watershed optimization.Combined with water pulse,green pulse and culture pulse construction,a four-dimensional measures including transverse,longitudinal,vertical and timing are proposed,in order to realize the ecological functions,such as protection and restoration of water source conservation,flood storage and detention,water purification,maintenance of biological diversity,and so on.
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