Study On Comprehensive Benefit Of Ecological Restoration In Guyuan City Of Ningxia

Ningyuan Guyuan City,belong to Ningnan Mountain area is part of China's ecological environment is more fragile areas.In the face of the grim situation of the increasingly degraded ecosystem,from the 1970s,the country has implemented the project of returning farmland to forest,closing the mountain forbidden grazing,returning farmland to grass,the construction of the Three North Shelterbelt,the comprehensive management of the mountainous watershed,Forest protection and other ecological restoration key projects,these key ecological restoration project to improve the local ecological environment,promote economic and social development have had a positive impact,to ensure that the original ecological environment of Guyuan City to maintain a healthy state,and for the people Life and economic development to provide a strong guarantee.Based on this,this paper evaluates the ecological,economic and social benefits of the ecological restoration project in Guyuan city of Ningxia,and analyzes the comprehensive benefit by using the linear weighted evaluation model.It is found that the ecological restoration project of Guyuan City in 2005 and 2015 not only greatly improved Guyuan City,the ecological environment,living environment,but also on the development of social and economic development in Guyuan made an invaluable contribution.The conclusion of this paper shows that the index system of ecological benefit is still the key work of ecological restoration.