【摘要】 采用对环洞庭湖防护林体系的野外调查数据和湖南省林业厅项目记录,依据《森林生态系统服务功能评估规范》(LY/T1721—2008),利用市场价值法、费用代替法、替代工程法等方法定量评价了2009年环洞庭湖防护林的生态服务功能总价值。结果表明,环洞庭湖防护林生态系统服务功能价值为129 772.18万元,其中涵养水源为48 450.44万元,水质净化为7 837.3万元,固土价值为24.50万元,保肥价值为6 755.98万元,固碳价值为21991.20万元,释氧价值为31 810万元,净化大气价值为12 902.83万元。更多还原

【Abstract】 The values of ecosystem services of the protection forest around Dongting Lake in 2009 were evaluated by applying the law of market value,the method of substitution of expenses,and the law of the shadow project,based on the "Forest Ecosystem Services Assessment Standards"(LY/T1721—2008) issued by the State Administration of Forestry,and on the field investigation data of the protection forest around Dongting Lake and data from the paged record.The results showed that in 2009,the total value of ecosystem services of the protection forest around Dongting Lake was 1297.7218 million yuan(RMB),of which,484.5044 million yuan for water conservation,78.373 million yuan for water purification,0.245 million yuan for soil conservation,67.5598 million yuan for soil fertility conservation,219.912 million yuan for carbon fixation,318.1 million yuan for oxygen released,and 129.0283 million yuan for atmosphere environmental purification.更多还原