Research Of Ecological Environment Assessment In EPA

During the 1990's,International community had extremely concerned over Ecological problems.Strengthening ecology construct and protecting ecology security has became the common theme in 21 century.Seek for a harmony development between ecology,economy and society as well as improve sustainable development has became the tide of world development.Ecological problems is about not only ecology but also the economy,society and international relationship.From the view of economy society,when it coming to a situation of GDP reached at 1000～3000$,it's an important inflexion of both economy development and ecology building.China's GDP has approached even exceed 1000$.With the development of economy and the exaltation of comprehensive national strength,the requirement for ecology has been advanced distinctly.The government had paid more attention on ecological environment.As the Ecology assessment involved lots of factors and the complexity of the ealuation structural system moat of ecology assessments done before are almost qualitative description.GIS is a computer technology system that can deal with space data.With the Remote Sensing data and "Ecological environment assessment technology technical specification(HJ/T192—2006),we do an assessment about Luojiang area.As a result we get the Ecological Index and work out the problem of ecological assessment.