Research on evaluation index system of urban forest system

Urban construct is one of the important contents connecting city to nature in harmony,and also valuable approaches for achievement of city.As a response to the construction goal of and forest cityproposed by many cities in China,based on ecology,urban ecology,landscape ecology theories,the forthcoming urban at home and abroad were analyzed systematically in the paper.It probes evaluation index system of forest,and illustrates their connotation,as well as the criteria on how to select them,therefore supplies the science rational of quantify criteria for city layout and construct.