1) 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。
2) planting trees with grass and shrubs
乔灌草配植
3) tree-grass
乔草
1.
The experiment was carried out to study water consumption of tree-grass,shrub-grass and pure grass plant ecosystems using the principle of distributed soil water balance by monitoring the rainfall,soil water content,irrigation and soil water matrix potential.
针对目前研究中多关注某一单一植被类型的绿地水分利用和管理,较少实地研究植被组成更复杂的园林绿地复合生态系统的耗水规律的情况,该文通过对颐和园降雨、灌溉、土壤含水量和土壤基质势等指标的实地、原位、多点监测,利用分布式水量平衡基本原理,初步研究了乔草、灌草和纯草3种园林绿地系统的水分消耗规律。
4) Trees and Shrubs
乔灌木
1.
Discussion about the Resource of Trees and Shrubs in Wetland;
浅谈湿地景观中乔灌木资源
5) Ratio of tree-shrub
乔灌比
6) tree steppe
乔木草原
补充资料：落叶松、桦灌丛、苔草沼泽
郎惠卿提供
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条