梁子湖湿地保护区林地生态系统服务功能价值评估

Evaluation on functions of forest ecosystem and its economic value in Liangzi Lake wetland

为研究梁子湖湿地保护区林地生态系统服务功能的经济价值,在实地调查的基础上,利用市场价值法、炭税法、影子工程法和生产成本法等生态经济学、环境经济学的方法进行了初步估算。结果表明,梁子湖湿地保护区林地生态系统林木产品、林果产品的价值为7898571.84元;固定CO2的价值为33201187.2元,释放O2的价值为8197.8元;初级生产者储存N、P、K养分的价值为5189915.25元;土壤保持的价值为1912678.85元;涵水的价值为22600635.64元;净化空气的价值为19169789.74元;合计为89980976.32元。梁子湖湿地保护区林地生态系统各功能的价值排序为调节气候(固定CO2和释放O2)>涵水>净化空气>物质生产>N、P、K养分循环>土壤保持。

Based on the data from field investigation, four types of methods were used to evaluate the forest ecosystem service value in Liangzi Lake wetland： direct market evaluation, carbon tax, reflection engineering method, and production cost method. The results revealed that the monetary value of the functions of organic compound production, water storage, soil protection, CO2 fixation, O2 release, air quality purifying, and nutrients recycle were 5189915.25 yuan, 22600635.64 yuan, 1912678.85yuan, 33201187.2 yuan, 8197.8 yuan, 19169789.74 yuan, 7898571.84 yuan, respectively. The total monetary value of the main functions of forest ecosystems in Liangzi Lake wetland was 89980976.32 yuan.