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福州市11种绿化灌木春季滞留颗粒物效应研究(PDF)

《西南林业大学学报》[ISSN:2095-1914/CN:53-1218/S]

期数:
2017年04期
页码:
47-53
栏目:
出版日期:
2017-06-30

文章信息/Info

Title:
Effects of Particles by 11 Greening Shrubs in Spring in Fuzhou City
文章编号:
2095-1914(2017)04-0047-07
作者:
段嵩岚闫淑君吴艳芳田高飞金妍超陈莹
福建农林大学园林学院,福建 福州 350002
Author(s):
Duan Songlan Yan Shujun Wu Yanfang Tian Gaofei Jin Yanchao Chen Ying
College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou Fujian 350002, China
关键词:
绿化树种灌木滞尘效应颗粒物福州
Keywords:
urban tree species shrubs dust retained particle Fuzhou
分类号:
S731.2
DOI:
10.11929/j.issn.2095-1914.2017.04.008
文献标识码:
A
摘要:
为筛选出福州市春季总滞尘、滞留粒径<10 μm和粒径<2.5 μm颗粒能力较强的绿化灌木,对福州市11种道路常用常绿灌木叶片单位面积、单叶以及上中下3个高度层次空间的滞留能力进行研究。结果表明:11种绿化灌木总滞尘与滞留粒径<10 μm和粒径<2.5 μm颗粒的能力顺序基本一致,但不能以其中任何一个指标衡量其整体滞留能力;植物叶表的密致绒毛、深沟壑、网状脉和高密度的气孔结构以及叶片的一些卷曲,皱缩形态均有利于颗粒物的滞留;以不同单位计,树种间总滞尘、滞留粒径<10 μm和粒径<2.5 μm颗粒能力的顺序将改变,红花檵木、洒金桃叶珊瑚、福建茶、黄金榕等树种单位叶面积滞留能力强;洒金桃叶珊瑚、红背桂、琴叶珊瑚、非洲茉莉等树种单叶滞留能力强;11种绿化灌木叶表主要滞留粒径<2.5 μm的颗粒,基本在50%以上;下层叶片的总滞尘能力最强,且总滞尘和滞留粒径<10 μm颗粒的能力随层次高度增加而减少。
Abstract:
In order to select high dust, particles of size less than 2.5 μm and 10 μm retained of greening shrubs for Fuzhou in spring, 11 kinds of evergreen shrubs widely used on the road were analyzed about their retaining ability per unit leaf area, per leaf and 3 different layers with their dust leaves. And it turned out: the order of dust retained was basically identical with the particles of size less than 2.5 μm and 10 μm, but any index can not be measured as its whole capacity; the shrubs which leaf surface were full of floss, deep ravines, net and deep veins, high density of stomata and curl, shrink were in favor of dust, particles retained. And measured in different units, the order will change; the retaining ability of shrubs such as Loropetalum chinense var. ′rubrum′, Aucuba japonica cv. ′variegata′, Carmona microphylla and Ficus microcarpa cv. ′golden leaves′ per unit leave area and Aucuba japonica cv. ′variegata′, Excoecaria cochin chinensis, Jatropha integerrima and Fagraea ceilanica per leaf were stronger; eleven shrubs mainly retained particles of size less than 2.5 μm, basically accounted for more than 50%; the ability of dust, particles of size less than 10μm retained reduced with the increasing of layer and the down layer retained most.

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备注/Memo

备注/Memo:
收稿日期:2016-12-28; 修回日期:2017-03-09
基金项目:国家自然科学基金项目 (31100303) 资助;福建省教育厅重点项目 (JA15142) 资助;福建自然科学基金项目 (2015J01281) 资助。
第1作者:段嵩岚(1992—),女,硕士生。研究方向:园林植物配置与造景。Email: 352518751@qq.com
通信作者:闫淑君(1975—),女,博士,副教授。研究方向:园林生态学。Email: ysjch2000@gmail.com
更新日期/Last Update: