摘要
通过多年的观测与实验结果 ,黑龙江省沙质荒漠化土地治理开发综合试验区的改造利用取得了良好的生态效益 ,具体表现为 :①降低风速 ,抑制风沙活动 ,延缓荒漠化进程 ;②减轻土壤风蚀量 ,减少空中含沙量 ;③恢复和提高风沙化土地生产力 ;④改善沙区小气候 ,实现沙区生态环境的好转。
On the basis of results of observing and experiment, were obtained remarkable ecological benefits in improvement and utilization of desertification land:1 cut down the wind speed and sand flowing;2 reduce quantity of soil erosion and sand content in the air;3 resume and raise the productivity of desertification land;4 improve microclimate in the sand area and achieve ecological environment improvement in the sand area.
出处
《防护林科技》
2002年第1期12-13,38,共3页
Protection Forest Science and Technology
关键词
松嫩沙地
荒漠化
治理开发
生态效益
Songnen sandy land
desertification
control and development
ecological benefit
