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山西省天然林保护工程自实施以来,有效地保护和恢复了天然林资源,发挥了天然林的巨大生态效益。文章以森林生态系统定位观测数据、森林资源二类调查数据和国家、省权威机构发布的公共数据等为基础,结合《第九次全国森林资源清查山西省资源清查成果》等,对山西2014年度天保工程生态效益进行评价。结果表明:山西天保工程生态效益价值总量为818.17亿元/年,在不同的生态系统服务功能中,涵养水源、保育土壤、固碳释氧价值量最大,占比分别为46.1%、21.9%、13.35%,说明山西省天保工程对涵养水源、保育土壤、固碳释氧有着重要意义。
Since the implementation of natural forest protection project in Shanxi Province, natural forest resources have been effectively protected and restored, and the great ecological benefits of natural forests have been exerted. Based on the forest ecosystem positioning observation data, the forest resources survey data and the public data released by national and provincial authoritative agencies, the article analyzes the results of the Shanxi Ninth Five-year National Natural Resources Inventory Survey Evaluation of the ecological benefits of natural forest protection project. The results showed that the total ecological benefit value of the natural forest protection project in Shanxi was 81.817 billion yuan per year. Among different ecosystem services, water conservation, conservation soil and carbon sequestration and oxygen release were the largest, accounting for 46.1% and 21.9% of the total respectively. 13.35%, indicating that the natural forest protection project in Shanxi Province is of great significance for conserving water sources, conserving soils and releasing carbon in the soil.