辽东地区公益林主要树种生态价值评估

The ecological value estimation of main tree species of public-welfare forests in Eastern Liaoning

该文依据辽宁省公益林管理中心提供的2014年度公益林资源清查数据,同时参照国家林业行业标准《森林生态系统服务功能评估规范(LY/T 1721-2008)》中的森林服务评估方法,依据国家权威部门发布的部分社会公共数据,对辽东地区公益林服务功能及其价值进行评估。结果表明:2014年栎(柞)类和落叶松组服务价值比例合计达84.66%,是辽东地区公益林各树种组服务价值的贡献主体;涵养水源和固碳制氧服务价值比例合计达73.23%,发挥着公益林服务的主导功能。

The service functions and value of public-welfare forests in Eastern-Liaoning was evaluated based on resource inventory data supplied by Liaoning Public Welfare Forest Management Center,the assessment methods of national forestry industry standard-Specifications for assessment of forest ecosystem services in China(LY/T 1721-2008)and part of social public data resources released by authorized government departments.The results showed that the values of ecological service function of Quercus acutissima and Larch account for 84.66%of the total value.Those two tree species groups were main contribution groups.Water conservation and C fixation and O2 release occupied 73.23%of the total value of public-welfare forests in Eastern-Liaoning,and played a leading role.