节点文献
黑龙江省沙质荒漠化土地治理的生态效益研究
STUDY ON ECOLOGICAL BENEFIT OF CONTROL OF SANDY LAND DESERTIFICATION IN HEILONGJIANG
【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。
【Abstract】 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.
【关键词】 松嫩沙地;
荒漠化;
治理开发;
生态效益;
【Key words】 Songnen sandy land; desertification; control and development; ecological benefit;
【Key words】 Songnen sandy land; desertification; control and development; ecological benefit;
- 【文献出处】 防护林科技 ,Protection Forest Science and Technology , 编辑部邮箱 ,2002年01期
- 【分类号】S718.557
- 【被引频次】6
- 【下载频次】118