LI Fang,CHEN Dong-wen.Analysis on Evaluation of Ecological Construction Efficiency over 30 Years in Changzi County of Shanxi Province[J].Research of Soil and Water Conservation,2011,18(05):288-291.
山西省长子县30年生态建设效益评估浅析
- Title:
- Analysis on Evaluation of Ecological Construction Efficiency over 30 Years in Changzi County of Shanxi Province
- 分类号:
- X171.1
- 摘要:
- 以生态系统服务价值作为衡量区域生态服务功能的指标，对长子县1985年和2007年的土地利用类型及其生态服务功能的变化进行了分析。基于研究成果和长子实际情况对生态服务价值指数进行了修正。在此基础上，分析长子县土地利用类型变化对区域生态服务功能价值变化的影响。结果表明：农林牧业用地的结构发生了变化，农田有了明显的减少，减少了33%，草地次之，减少32%，林地有了较大幅度的增加，增加了113%，园地增加最多，增加了31倍。生态系统服务总价值增加了4454.08万元，主要得益于林地和园地面积的增加。长子县的生态环境建设取得良好的成果，对生态环境的改善具有促进作用。
- Abstract:
- By using the ecosystem service value as the index of regional ecosystem service function, the change of land use type and ecosystem service functions of Zhangzi County from 1985 to 2007 were analyzed. According to research achievement and the specific situation of Zhangzi County, this paper adjusted the unit ecosystem service value of different land use types. Based on this, the change in ecosystem service value of Zhangzi County resulted from the land use change was analyzed. The results show that the land use structure of agricultural, forestry and animal husbandry changes, the areas of farmland reduced by 33%, grassland is next, reduced by 32%. The areas of woodland had relatively substantially increased by 113%, the largest increase in orchard occurred, increased 31 times. The total service value of ecosystem increased by 44.54 million Yuan, resulting from the increase of woodland and garden area. The ecological environment construction of the county has made a great achievement, has stimulative effect on the improvement of the ecological environment.
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备注/Memo
收稿日期:2011-5-16;修回日期:2011-6-22
基金项目:中科院知识创新工程重要方向性项目“半干旱黄土区植被自然恢复过程及适度利用研究”（KZCX2-YW-441）
作者简介:李芳（1965- ）女，山西省长子县人，助理工程师，主要从事农田水利、水保工程技术工作。E-mail：w.k229908@163.com