Appraisal on the comprehensive effect of forest park-A case study from Wenzhou Chashan Forest Park

The comprehensive effect of the forest park has the characteristics of being obvious，belonging to quasi-public-goods and having indefinite market price．Four ways that often appraise the comprehensive effect of the forest park are the environment-effect method．the income-loss method．the traveling cost method and the condition-valuation method．According to characteristics of Chashan Forest Park．its main functions and the limitations of the collected data．the appraisal choose 10 indexes．The economic effect is 18.5 percent of the comprehensive effect of the Chashan Forest Park．Owing to the overflowed effect，81.5 percent of the comprehensive effect turns into external effect.