宁化牙梳山自然保护区森林生态系统服务功能及价值评估

根据福建宁化牙梳山自然保护区森林生态系统的特征和森林生态系统服务功能的内涵,采用物质量和价值量相结合的评价方法,使用市场价值法、影子工程价格法、生产成本法、机会成本法、治理费用法等定量评价了宁化牙梳山自然保护区森林生态系统服务功能经济价值.结果表明,宁化牙梳山自然保护区森林生态系统服务功能平均每年达8986.6万元,其中各分项的生态服务功能价值为:活立木价值769.5万元;林副产品价值192.5万元;畜牧养殖价值70.0万元;旅游价值249.6万元;涵养水源价值3680.5万元;水土保持价值544.6万元;固定CO2和释放O2价值1823.0万元;净化环境价值1573.2万元;营养物质的循环和贮存价值13.7万元;生物防害价值7.8万元;基因资源价值62.4万元.

Evaluation of forestry ecosystem service function in Ninghua Yashushan Natural Reserve

Based on the characteristics and connotation of forest ecosystem services,the physical and value assessment methods,including market value method,shadow engineering price method,production cost method, opportunity cost method and administering expenditure method,were used to evaluate forest ecosystem services in Yashushan Natural Reserve.The results showed that the total annual service value of forest ecosystem in Yashushan Natural Reserve was up to 8.9866×10~7 Yuan(RMB),of which 7.695×10~6 Yuan for standing tree value,1.925×10~6 Yuan for forest by-production,7×10~5 Yuan for cattle breeding,2.496×10~6 Yuan for forest recreation,3.6805×10~7 Yuan for water conservation,5.446×10~6 Yuan for soil conservation,1.823×10~7 Yuan for CO_2 absorption and O_2 release,1.5732×10~7 Yuan for environmental purification,1.37×10~5 Yuan for nutrient storage,7.8×10~4 Yuan for forest calamity prevention and 6.24×10~5 Yuan for gene resource.