水土保持研究2011，Vol.18Issue(3)：226-231,237,7.
高速公路建设对土地利用类型的影响及其生态服务价值评估——以陕西省5个典型区域为研究对象
Impacts of Expressway Construction on Land Use Types and Assessment on the Ecosystem Service Value——A Case Study of Five Typical Areas in Shaanxi Province
摘要
Abstract
Based on the land use and planning, change of ecosystem service value of different periods of expressway construction was evaluated with referring to the table of R. Costanza's calculation method of ecosystem service function value and Chinese land ecosystem services value of unit area and land area. The effect of land use planning of expressway construction on regional ecological environment was assessed quantificationally. The results showed that (1) Farmland, orchard, woodland and grassland were the four main land types occupied by expressway construction of five regions. The areas of farmland and orchard demonstrated decline trend in each region, but the areas of woodland and grassland increased in some regions. The range of changes followed the order of orchard＞woodland＞farmland＞grassland; (2)The total service value of ecosystem had decline trend in four regions except the Zizhou-Jingbian expressway in sand drift areas. The total service value of ecosystem of sand drift areas increased from 0.86×104 Yuan/km to 5.02× 104 Yuan/km, increased by 484.45％. On the other four regions' decrease side, loess hilly region (Jingbian-Ansai)＞rocky mountainous area (Lantian-Shangluo) ＞low mountain rolling area (Shangluo-Danfeng) ＞loess terraces area (airport expressway); (3)Biological control function in five areas had a decreasing tendency, climate regulation and waste treatment functions decreased obviously in sand drift areas. Each function reduced by between 25％ and 42％ in loess hilly region. Water supply and erosion control function values decreased by 368％, 268％ and 170％, 162％ in loess terraces area and low mountain area, respectively.关键词
高速公路/土地利用类型/生态系统服务价值Key words
expressway/ land use type/ services value of ecosystem分类
资源环境引用本文复制引用
赵晶,高照良,蔡艳蓉..高速公路建设对土地利用类型的影响及其生态服务价值评估——以陕西省5个典型区域为研究对象[J].水土保持研究,2011,18(3):226-231,237,7.基金项目
陕西省水上保持局"线状工程建设水土流失防治技术示范推广研究项目" （）
