The Repair Plan On Aquatic Ecosystem Present Situation In Benxi Segment Of Taizi River

Taizi River is the main tributary of the Liao River,and it belongs to the typical northern mountain river.In recent years,with the acceleration of the urbanization process,the water ecological environment has been subject to certain pollution,especially the Prince Taizi River section,and it dues to the construction of dams,river dredging,sewage discharge,transformation of riparian zone and other factors.All of these results in a series of the water ecological problems,river habitat degradation significantly.It is possible to provide guidance for the improvement of river water quality and habitat improvement in the river water ecosystem problem diagnosis and ecological restoration study.Therefore,the research has a certain practical significance.In this paper,through the examination and analysis of river water quality,aquatic plants,benthic fauna and fish in Benxi River,the distribution of water quality and aquatic biodiversity in city section of Taizi River was clarified.Ecological problems: water quality of river water is unstable,water quality assessment section of ammonia nitrogen,total nitrogen is high;pollution sources to increase;bottom and river bank depth damage,low biodiversity,river self-purification capacity is weak.The results showed that the aquatic ecosystems in the Benxi River area were poor and the water ecosystem was degraded,and the water ecosystem was urgently and needed to be repaired.On the basis of the above research,this paper refers to the technical means of water restoration at home and abroad,and combined with the actual situation of Benxi City section of Benxi River,the author puts forward the river water ecosyste m restoration plan for the demonstration area of Taizi River.This paper will provide technical support for the restoration of river water ecosystem in Benxi River,and can provide reference for ecological restoration of similar rivers in China.