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- And that of broadleaf tree specieswere occupied 13% and 15% respectively. 阔叶树种(黄栌、火炬树)则分别占全天和白天的13%25和14%25。
- The niche proportional similarity and the niche overlap index reflect the niche characteristics of the evergreen broadleaf trees in subtropical forest. 结果表明:组成米槠林群落的优势种群绝大多数为广生态位,种群之间关系复杂,对资源具有一定的共享性。
- Douglas fir of coniferous tree and Beech of broadleaf tree is selected as the experiment materials. 选择针叶材花旗松和阔叶材山毛榉作为实验材料;
- Aphrodisium faldermannii rufiventris Gressitt is an important pest of broadleaf trees. 红腹柄天牛是阔叶树的重要害虫之一。
- The results indicated that the average water consumption rate of broadleaf trees was more than conifer trees. 结果表明,针叶树种耗水速率低于阔叶树种。
- This paper deals with the application prospect of ev-ergreen broadleaf trees in gardens of Shandong province. 探讨常绿阔叶树种在山东园林中的应用前景。
- Protection Forest on sandy meadow was established by mixing broadleaf trees to raise stability of sandy meadow system. 为提高草沙地系统稳定性,采用阔叶树混交方式营建草沙地防护林。
- Out of the valley, there are seas of forest consisting of natural broadleaf trees and man-planted conifers. 峡谷外,是天然阔叶树和人工针叶树混交成的苍茫林海。
- Broadleaf trees, they say, retain more water and have more leaves that clean the air and provide shade. 他们认为,阔叶树能保留更多水分,也有更多能清净空气和提供蔽阴的叶子。
- The scenery of old broadleaf trees growing naturally in a group makes you feel by yourself the magnificence of nature. 阔叶林相互交织在一起郁郁丛生的景观令人切实感受到大自然的伟大。
- The salinity of the media was the major factor affecting seed germination, more on coniferous trees than on broadleaf trees. 基质含盐量是影响种子出苗率的因素之一,盐分含量对针叶树种的影响大于阔叶树种。
- Around stockyard which can generate much dust, planting broadleaf trees and dust absorbing trees can form the dust protective belt. 对有大量粉尘产生的堆场四周种植一些阔叶、抗尘吸尘树种作为防护带,尽量减少粉尘的扩散。
- The water consumption rates of coniferous species were less obviously than that of the broadleaf tree species. 针叶树种的耗水速率远低于阔叶树种,高耗水阔叶树种(新疆杨、刺槐)的耗水速率是针叶树种(油松、侧柏)的5-10倍,灌木树种(仁用杏、紫穗槐)是油松、侧柏的2-3倍。
- Formed by subtropical green broadleaves and temperate deciduous broadleaf trees, the mountain is valued highly for observing plant chorology. 山上不但分布有热带常绿阔叶林,而且有温带落叶阔叶林,对植物分布的研究,具有重要的价值。
- A couple of old pine trees surrounded by a group of broadleaf tree forests even cannot maintain the prestige as pine trees. 一棵棵老松无一不被阔叶林层层包围,已无法展示其雄壮的英姿。
- The strategy of protection and development of evergreen broadleaf tree is put forward, based on its ecological effects on four streams and one river in Zhangzhou. 笔者就常绿阔叶林对福建漳州四溪一江生态效应,提出保护与发展的策略。
- Water transpiration rate of broadleaf tree is much higher than that of conifer tree,which made it having greater protective function. 阔叶树水分蒸腾速率远超过针叶树 ,对生态环境的保护作用更大。
- Evergreen broadleaf tree is the principal part of forestry reserves and the most important component of forestry ecosystem. 常绿阔叶林是南方森林资源的主体,是森林生态系统中重要的组成部分,可改善人类生态环境。
- The time span saw the paleovegetational evolution from broadleaf tree and bush lush grassland through bush spotting grassland to desert grassland. 研究表明,此期间该区植被由阔叶、灌木草原变为疏树灌木草原,最后变为荒漠草原。
- As a group of the broadleaf trees and royal azalea blossoms inhabit the neighborhood of Ilweolmoon, the mountains around here seem to be almost on the fire. 在日月门周围,是大片大片的阔叶林和长满杜鹃花,每当杜鹃花盛开时,满山通红,状如被一团大火所湮没。