连云港市杨树纯林生态服务功能价值评估

Value assessment of poplar forest ecological function in Lianyungang City

在参照国内外森林生态服务功能研究资料的基础上,以中华人民共和国林业行业标准《森林生态系统服务功能评估规范》(LY/T1721-2008)为依据,结合连云港市森林资源清查的现状资料,分析评估了连云港地区杨树纯林在涵养水源、保持水土、养分积累、固碳释氧和空气净化等方面的生态价值。结果表明,1 hm2杨树纯林年均生态效益达137 513.11元,全市99.2 km2杨树纯林的生态效益达到136.41亿元/a,远超其收获木材的价值。营造杨树林对改善本地区生态环境具有极其重要的作用。

In reference to domestic and foreign research materials, on the basis of forest ecosystem service functions in the forestry industry standard of the People＇s Republic of China ＂Specifications for assessment of forest Ecosystem＂ （ LY/T1721 -2008）, combining with the present situation of the forest resources inventory data, we assessed the ecological value of the popalar forest in Lianyungang in water conservation, soil and nutrient accumulation, carbon fixation and oxygen release and air purification. The results showed that the ecological value of popalar forest could be up to 137513. 11 Yuan RMB/（ a · hm^2）. The ecological benefit of the 99. 2 km^2 popalar forest in the city could achieve 13. 641 billion Yuan RMB/a, far more than the value of his harvest lumber, so we concluded that it was very important to plant the popalar for- est for improving the region ecological environment.