City ecological situation evaluation for Jiaozuo city

Abstract：The index system including structure, function and coordination of urban ecosystem and gradation assessment method were established and used for evaluating the ecological situation of Jiaozuo city.The result shows that the value of ecological situation is serious in Jiaozuo city.The paper suggests that Jiaozuo city should increase the harness force of contamination, generalize clean manufacture technique, strengthen the construction of ecological environment and accelerate sustainable development of the city.

Keyword：city ecology;ecology evaluation;environment problem;sustainable development;