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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。
- 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；
- 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。
- 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。
- This paper presents the contents of foliar nutrients and their seasonal variations for 9 major neddle and broadleaf tree species of northeast China during a single growing season. 本文分析测定了东北地区9个主要针阔叶树种的营养元素含量和季节动态,并应用主成分分析和系统聚类分析方法分析了各树种之间的营养元素相关关系和互补性。
- Results Haemacentor japonica was the dominant tick in Kongtong mountain.The tick index of Dermacentor silvarum was highest in shrub and mixed forest of conifer and broadleaf tree. 结果共采获10种蜱,日本血蜱为崆峒山的优势蜱种,针阔混交林灌丛中,森林革蜱的指数最高;
- See from the function results, it is best for deciduous broadleaf tree on the potential of absorbing carbon-releasing oxygen, decreasing temperature and purifying SO2; next is fewer shrub and coniferous tree, grass is the worst. 从作用效果来看，落叶阔叶树类的吸碳放氧、降温效果和SO2的净化潜力最佳，其次为花灌木和针叶乔木树种，草类最差。
- The evaluation index system and their weight of ecological function for coniferous and broadleaf tree on Taihang Mountain are put forward by using SSMII method, which includes 5 first-grade indexes and 9 second-grade indexes. 应用软系统归纳集成法,确定了太行山主要针阔叶树种生态功能的评价指标体系与权重,其中一级评价指标5个,二级评价指标9个。
- 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 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。
- 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。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
