A research of Matter-element Model of comprehensive evaluation on fragile eco-environment

By using the methods of Extension Engineering and Principle Component Analysis,a Matter-element Model used for comprehensively evaluating the fragile ecological environment in Fujian Province was established.The results from the model shows great regional differences of ecological fragile properties of environment in Fujian Province.And the problems and the restricting factors for every region are quite different.And the countermeasures are put forward.