摘要
通过陕西省安塞县阳安沟小流域防护林体系的营建，采用层次分析方法研究探讨了黄土丘陵沟壑区小流域防护林体系对位配置优化模式。结果表明，对位配置优化模式各林种所占比例为：荒坡水土保持林２７．４％、固坡林１８．６％、沟头防护林１５．０％、梁峁顶防护林１３．８％、沟底防冲林１２．６％、梯田地埂林６．２％、沟边固岸林６．２％。
The optimum structure of the protection forest system in Small Valley on Loess Plateau Gully Area were analysized by AHP.The result indicated that the protection forest in the steep barren slope are 27.4%,18.8% in the very steep barren slope,15.0% in the top of gully,13.8% in the top of barren hill,12.6% in the lwo-land of gully,6.2% in the edge of terraced fields,6.2% in the edge of gully.\=\ \
基金
"九五"国家科技攻关项目
关键词
黄土高原
防护林体系
对位配置
Loess plateau
Protection forest system
Forest categories and tree species
Structure disposition optimumazation
