| 黄河源头高原区和甘蒙高原沙漠区退耕还林区域模式研究 |
| |
| 引用本文： | 李世东,刘霞.黄河源头高原区和甘蒙高原沙漠区退耕还林区域模式研究[J].防护林科技,2005(1):7-10. |
| |
| 作者姓名： | 李世东 刘霞 |
| |
| 作者单位： | 1. 北京林业大学,北京,100083;国家林业局
2. 山东农业大学 |
| |
| 摘 要： | 根据退耕还林工程区的自然、经济和社会条件,在对退耕还林工程25个省(区、市)1897个县(市、区、旗)以县级单位为单元进行系统区划、建立了4个大区-12个区-39个亚区-116个小区4级区划体系的基础上,按照退耕还林生态经济社会效益紧密结合、可持续发展的基本原则,根据大量试验地观测结果和长期生产实践的科学分析,并参考大量前人研究成果,分别研究了各区的退耕还林模式,经过系统集成、创新提炼,形成了较为完整的退耕还林区域模式体系。本文是黄河源头高原区和甘蒙沙漠区退耕还林区域模式研究结果,共计4个亚区12个小区模式。
|
| 关 键 词： | 退耕还林 区域模式 黄河源头高原区 甘蒙高原沙漠区 |
| 文章编号： | 1005-5215(2005)01-0007-04 |
Study on Regional Model of Returning Farmland to Afforestation in Plateau Area of Fountainhead of Yellow River and in Desert of Gan-Meng Plateau |
| |
| LI Shi-dong.Study on Regional Model of Returning Farmland to Afforestation in Plateau Area of Fountainhead of Yellow River and in Desert of Gan-Meng Plateau[J].Protection Forest Science and Technology,2005(1):7-10. |
| |
| Authors: | LI Shi-dong |
| |
| Institution: | LI Shi-dong~ |
| |
| Abstract: | In this paper,based on setting up 4 grade divisions:4 major regions-12 regions -39 subregions-116 minor regions in 1 897 counties of 25 provinces according to the basis of close combination of ecological,economical and social benefits and sustainable development in the project area of returning farmland to afforestation,refered data from experiment and productive practice and the former studies was formed a complete regional model system fit for the project area of returning farmland to afforestation:4 subregions,12 minor regions in total. |
| |
| Keywords: | return farmland to afforestation regional model plateau area of fountainhead of Yellow River desert of Gan-Meng Plateau |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
