海南岛沿海防护林体系建设综合效益评估  

Construction benef it evaluation of coastal shelter forest system in Hainan province

作　　者：方发之[1] 陈彧[1] 梁居红 符小干 

机构地区：[1]海南省林业科学研究所,海南海口571100

出　　处：《中南林业科技大学学报》2013年第11期115-119,共5页Journal of Central South University of Forestry & Technology

基　　金：国家"十二五"科技支撑项目(2009BADB2B0303);海南省科学事业费项目(08-20409-0007)

摘　　要：针对海南沿海防护林体系发挥的生态、经济和社会效益,分为11个类别、14个一级指标和22个二级指标具体量化评估。结果表明:海南省沿海防护林体系年产生效益为平均年产生效益为367.37亿元,减少农作物受灾害面积209 027 hm2,占海南耕地面积的28.4%,年增加农作物产量463 909 t,占2010年海南农作物产量总产量25.7%;林业总产值为173.1亿元,占农业总产值比例为从2000年的8.1%上升到2010年的33.2%,林业经济地位得到了明显的提升。In this study, quantitative evaluation methods, including 11 categories, 14 one-class indices and 22 two-class indices were used to assess the ecological, economic and social benefits resulted from coastal shelter forest system of Hainan province. The results showed that coastal shelter forest system in Hainan have contributed great benefits. Its ecological benefits reach 36.737 billion per year. The reduction of crops area that affected by natural disaster reach 209 027 ha per year, which account for 28.4% of total arable area in Hainan. The increased yield of crops is 463 909 tons per year, which account for 25.7 % of total crops yield in Hainan. The total value of out-put of forestry reach 1.731 billion per year, whose propotion in agricultural gross annual value increased from 8.1% in 2000 to 33.2% in 2010. It imply that the economic position of forestry in Hainan has been promoted markedly.

关 键 词：沿海防护林 评估指标 成效评估 效益 海南岛 

分 类 号：S727.2[农业科学—林木遗传育种]