东江湖湿地效益评价初探

东江湖湿地是高山水库型人工湿地,采用直接市场评价法、揭示偏好法与替代品市场法、陈述偏好法等评估方法,对东江湖湿地的补水功能、调节气候功能、降解污染功能、抵御侵蚀、生物多样性、均化洪水功能、社会文化、水运、湿地产品、水利发电、旅游等方面的效益价值进行了核算,得出2005年度东江湖湿地效益的总价值为108.7亿元。

Study on Evaluation of Wetland Benefits of the Dongjiang Lake

The Dongjiang Lake wetland is of artificial and alpine-reservoir type.Some evaluation ways as direct market evaluation,revealed preference approach and replacement market approach and stated preference approach are adopted.The article evaluates some benefits in the water compensating,climate regulating,pollution degradating,erosion resisting,biological diversity,water supplying,flood diversing,function of social culture,water transporting,tourism function and wetland products.The value from the evaluation of those benefits provided by the Dongjiang Lake wetland are estimated at 10.87 billion yuan in 2005.