Research Into Grain For Green In Shan-bei District Based On Date Envelopment Analysis

Gain for green project which plays aimportant part in circumstance imporvement and economy proposing, is a grand decologic construction one that our govement has proposed according to sustainable development, so far,a lot of aspects such as the low resource utilization,the lagging technology,the deterioted enviorment,land loss and many poor population,have exited.so grain for green project has become a single way to afforestation project and sustainable development strategy.The thesis is based on income question, forest coverage rate and grop production.to beging with, date envelopment analysis is proved that it can be applicated into grain for green in shan-bei district, and then in view of the fact, seven esential factors which have influence on the project are found out: expense of dam, expense of crop,expense of cash tree ,expense of defense tree,other economic crop,expense of grass and graziery;and the output factors include:income of gdp,pure income per captia,the area of decreasing land loss,graziery income ,crop production,income of tree,the totle income of economic crop.after the date of each facts are puted into dea model,unefficiencial decision making units(DMU) found.the data that are got through adjusting unefficiencial dmus dy dea can offer guide in shanbei district upgrading of an industrial structure.at the same time ,taking into account some possible problems in or after grain for green in shan-bei district,the thesis bring out some propesal to improve the circumstance,enhance the life level and putthe relation of population,resource and circumstance into a healthy orbit.The theory meaning of the thesis lies in puting forward theory reliance and technology support.that dea is applicated into the complicated social economy system just like shanbei district is a kind of new theory try and application expansion.in addition, some proposals of the thesis can also be applicated into grain for green in other district.