关键词: 城市内河, 生态系统, 生态修复, 水质, 自净

Abstract: As an important carrier of urban ecology，urban river plays a bad role in restricting the city development due to its ecological problems. In recent years，though many domestic cities had devoted themselves to the comprehensive management of urban river pollution，the harnessing effects were not ideal，the repeated pollution appeared frequently. Therefore，taking Baima River as an example，this paper analyzed the repeated pollution reasons of inland waters in Fuzhou. Then the integrated using of bioremediation，physical remediation and other inland waterway engineering for the recovery of water ecosystem were discussed based on the ecological restoration theory. The results emphasized that：through the restoration of abilities of self-healing and self-adjusting ， the water ecosystem could actu? alize the virtuous cycle of biogeocenose，thus achieved the goals of purifying inland water quality，optimizing the ecological revetment，and beautifying the river landscape.

Key words: urban river, ecosystem, ecological restoration, water quality, self-purification