Evaluation on the Serving Functions and Value of Urban Wetland Ecosystem

Based on a large amount of detailed basic data and field investigations,the ecological and economics methods were comprehensively applied to establish the framework and method of evaluating the serving functions and value of wetland ecosystem in Kaifeng city.In the evaluation,the serving functions of wetland ecosystem were divided to the production function with direct use value,life support system function with indirect use value and non-use value.