At the same time,a set of valuation index system were constituted,the total value of urban water ecosystem services of Bengbu was assessed by means of value evaluation.

A research on city ecosystem evaluation and alert system;

Thought by the regarding city ecology,city geography as this,in the foundation of large quantity of 1996～2002 foundation data support,the author has set up four levels of cities ecosystem structure evaluation system and proceeded detailed city ecosystem system evaluation on the four levels of structures of Kaifeng city.

The author studies the city and city ecosystem by using the thought of the ecology and complexity science.

Urban river,as an important component of urban ecological system,has many roles in urban ecological construction.

It is considered that the urban flood control should be planned together with the wastewater treatment, with the natural environment and with the urban landscape so as to form the complete urban ecological system.

Its urban ecological system evolution has of great value of inference and academic study.

On the progress in urban ecosystem dynamic modeling;

Assessment of urban ecosystem health in Foshan;

A kind of method and its application for urban ecosystem health assessment;