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文章基于辽宁白石砬子森林生态系统国家定位观测研究站的观测数据,参照国家林业行业标准,对丹东市公益林生态服务及其价值进行评估。结果显示,丹东市2014年生态公益林涵养水源8.07亿m3,固碳203.19万t,产生氧气464.53万t。该地区2014年生态公益林服务总价值为250.28亿元,生态公益林对该地区生态环境的改善发挥着不可忽视作用。各项服务价值由大到小为:涵养水源>固碳制氧>多样性保护>净化大气环境>保育土壤>积累营养物质。栎(柞)类占所有树种组总价值的88.67%,是该地区服务价值的贡献主体。
Based on the observation data of the National Positioning Observation Station of the Baishiaochengzi Forest Ecosystem in Liaoning Province and referring to the national forestry standards, the article evaluates the ecological services and their value of public welfare forests in Dandong City. The results showed that in 2014, Dandong City contained 807 million m3 of water for ecological public welfare forests, 203.19 million tons of carbon sequestration and 4,645,300 tons of oxygen. The total value of ecological public welfare forest services in the region in 2014 was 25.028 billion yuan, and ecological public welfare forests played an important role in improving the ecological environment in the region. The service values from descending to: conservation water> carbon sequestration oxygen> diversity protection> clean air environment> conservation of soil> accumulation of nutrients. The oak (oak) species accounts for 88.67% of the total value of all tree species and is the main contributor to the service value in this region.