Technology And Application Of Ecological Comprehensive Management In Daxin River Of Jinan

The river is the birthplace of human civilization.With the rapid development of economy and the rapid growth of population,the river ecosystem has deteriorated rapidly.In this context,the assessment and management of ecosystem health has gradually attracted the attention of the international community.In recent years,the development of social economy in Jinan is rapid,but the urban infrastructure is poor,water environment and water ecological problems,the river water environment has seriously affected the water environment and urban image of Jinan.As one of the main rivers in the eastern part of Jinan City,Daxin River plays an important role in flood control,drainage,landscape and ecological conservation.In recent years,with the aggravation of pollution,the ecological system is in urgent need of improvement.Based on the study experience of river ecological management at home and abroad,the basic data of Daxin River is collected in various ways.First,13 evaluation indexes including water environment,river morphology,riparian status and social&economic are selected to establish river ecological health evaluation system,and then fuzzy variable model is applied to evaluate the ecological status of Daxin River.The results show that the ecological system is in an unhealthy level,and the conclusion is drawn that the ecological management are quite necessary.According to the actual situation of Daxin River,the project utilizes the river water storage,green landscaping,shoreline soften etc.ecological management means to fulfill the function of city flood control,river waterfront landscape construction and waterfront tour,and to attain the goal of ecological restoration,biodiversity,water restoration and protection of the hydrophilic water quality,and then realizes the coordinated development of the city and the river.