1) planting trees with grass and shrubs
乔灌草配植
2) arbor-shrub-grass compound land
乔灌草
1.
The result showed:(1) In three patterns of shelterbelt,the roughness length of arbor-shrub-grass compound land was the most than the roughness length of the others(sparse woodland and woodland-grass compound land),the effect of weaken wind speed and reduced soil erosion was the significant.
在2005~2006年冬春大风季节,对北京市郊区延庆康庄地区不同土地利用类型(疏林地,乔灌草,林草,翻耕地,免耕地,菜地,果菜间作)进行了风速、粗糙度、风蚀量的实地观测。
3) arbor and bush plants
乔灌木植物
5) grass-shrub vegetation
灌草植被
1.
From the aspect of global climate change,grass-shrub vegetation response to the change of CO2 concentration and temperature in mountains of north China was analyzed with LI-6400 portable photosynthesis system.
利用便携式光合气体分析系统(LI-6400),从全球变化的角度分析华北山地阳坡灌草植被群落中5种具有代表性的植物光合特征对CO2浓度和温度变化的响应。
6) shrubs and grass patterns
灌草配置
补充资料：落叶松、桦灌丛、苔草沼泽
郎惠卿提供
[图]
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参考词条