The Construction And Evaluation Of Sichuan Mianyang Sanjianghu National Wetland Park Based On Restoration Ecology

Wetland ecosystems are a very precious resource on Earth.With the rapid economic development,the ecological environment of wetlands is threatened.The area of wetlands in various parts of the world has been greatly reduced.The problems in various aspects have become increasingly prominent.The restoration and protection of wetland ecosystems need to be resolved urgently.Wetland Park is a public ecological park,in the protection,tourism,education,scientific research and other aspects have an important function.At present,it is to establish a national wetland park to ease the man-made disturbance of the wetland and restore the most achievements of its natural form and function.As a science to study the principle of ecosystem damage and the recovery process,restoration ecology integrates the principles of integrity,coordination and balance,the principle of autonomy and the principle of recycling,etc.,both in theory and practice for the restoration of wetland ecosystems And its important guiding significance.Wetland ecosystem restoration is an important part of wetland park construction.The Sanjiang Lake National Wetland Park is a confluence of the Three Rivers and is located in the blending area of urban and rural landscape patches.Its wetland ecosystem is typical and representative.This paper analyzes the damage of the wetland ecosystem in this park,and briefly describes and analyzes some of the recovery plans in the park’s wetland restoration planning system,combining with the basic theory and practice of restoration ecology.The main contents are as follows:(1)Sanjiang Lake wetland social survey,animal and plant background resources,types and distribution of wetlands,and typical landscape surveys.(2)Using the theory of ecology and evaluating the Sanjiang Lake wetland in accordance with the national standard wetland ecosystem assessment.Sanjiang Lake Wetland Park there is the shore canalization,biological habitat was damaged,the urgent need for ecological restoration.The key to the restoration of park wetlands lies in the restoration of water system,water quality and habitat,while paying attention to the protection of waterfront.(3)Based on the principle of restoration ecology,the effect of restoration plan and protection measure of Sanjiang Lake National Wetland Park two years after implementation was evaluated.