摘要
观测、实验和样品分析结果表明，位于半湿润地区的豫北延津县，其沙地农业综合开发试验示范区的改造利用取得了良好的生态效益，具体表现为：①抑制了风沙活动，防止了风沙危害；②恢复和提高了沙地生产力；③改善了沙地小气候。
The experiment of desertified lands agricultural development has been conducted in Yanjing county of Henan Province which situated in semihumid region. The results of observation, test and sample analysis show that great ecological effect has been obtained through desertified lands reclaimation and utilization. In details, sand drift activity has been controlled, and sand damages have been prevented; the productivity of desertified land has been retaind and heightened; the microclimate in spot has been improved. As results of all these efforts the reversion of land desertification in the studied area has been achieved.
出处
《中国沙漠》
CSCD
北大核心
1997年第4期403-409,共7页
Journal of Desert Research
基金
中国科学院资源与生态环境研究重大项目
关键词
半湿润地区
风沙化土地
改造利用
生态效益
Semihumid region\ Desertified land\ Reclaimation and utilization \ Ecological effect
