机构地区: 木兰围场国有林场管理局
出 处: 《林业资源管理》 2013年第1期49-52,61,共5页
摘 要: 以冀北山地的森林生态系统为研究对象,利用《中国森林生态系统服务功能观测与评估规范(LY/T1721-2008)》中的评估方法,定量评价了该区不同植被类型生态系统服务价值。冀北山地森林生态系统服务功能总价值为579.13亿元/a,其中涵养水源价值为294.09亿元/a,固碳释氧价值为142.81亿元/a,物种保育价值为87.37亿元/a,保育土壤价值为27.20亿元/a,营养物质积累价值为25.04亿元/a,净化大气价值为1.95亿元/a,森林游憩价值为0.67亿元/a。其中,核桃楸、椴树和桦树的单位面积服务价值最大。 This paper takes the forest ecosystem of the mountainous region in north Hebei province as the research object, evaluates the ecosystem service values by using the industry standards of the People' s Republic of China( LY/T 1721 -2008) :Specification for Assessment of Forest Ecosystem Services. The results show that the annual service value of the forest ecosystem has reached to RMB 57.913 billion yuan/a, of which about RMB 29,409 billion yuan/a is for water-holding, RMB 14,28 billion yuan/a for CO2 fixation and 02 release, RMB 8,737 billion yuan/a for species conservation, RMB 2,720 billion yuan/a for soil protection, RMB 2,504 billion yuan/a for nutrients accumulation, RMB 0. 195 billion yuan/a for atmosphere purification, RMB 0. 067 billion yuan/a for recreation and ecotourism. Wherein, Manchurian walnut, linden and birch service value per unit area is the largest.
关 键 词: 冀北山地 森林生态系统服务功能 价值评估