[1]黄慧娟,袁玉欣ˇ,杜炳新,等.保定5种主要绿化树种叶片滞尘对气体交换特征的影响[J].西北林学院学报,2008,23(06):50.
 HUANG Huijuan,YUAN Yuxin,DU Bingxin,et al.Effect of the Airborne Dust Detainment on Gas Exchange with in Five Major Landscape Plants in Baoding[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2008,23(06):50.
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保定5种主要绿化树种叶片滞尘对气体交换特征的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第23卷
期数:
2008年06期
页码:
50
栏目:
森林生物、生理、生态、植物、气象等
出版日期:
2008-11-30

文章信息/Info

Title:
Effect of the Airborne Dust Detainment on Gas Exchange with in Five Major Landscape Plants in Baoding
作者:
黄慧娟 1 袁玉欣 1ˇ 杜炳新 2 李国栋 3
1. 河北农业大学,河北 保定 071000; 2.廊坊市林业局,河北 廊坊 065000;3. 中国 地质大学 长城学院, 河北 保定 071000
Author(s):
HUANG Huiˉjuan 1 YUAN Yuˉxin 1 DU Bingˉxin 2 LI Guoˉdong 3
1. Agricultural University of Hebei, Baoding, Hebei071001,China; 2. The Forest Bureau in Langfang City, Langfang, Hebei 065000,China; 3.China University of Geosciences, Great Wall College, Baoding, Hebei071000, China
关键词:
滞尘绿化树种气体交换参数保定市
Keywords:
dust detainmentlandscape plantsgas exchange parameteBaodin g
分类号:
S718.43
文献标志码:
A
摘要:
研究了保定市五种主要绿化树种在滞尘状态下不同立地条件的气体交换特征变化 ,在此 基础上,对植物叶片滞尘量与气体交换参数损失率的关系进行了相关性分析。结果表明 :(1)榆叶 梅和金银木的净光合速率( Pn)、气孔导度(Gs)和蒸腾速率(Tr )在同一立地与其 他树种相比损失率 较大,悬铃木和臭椿相对较小,即本文中的臭椿、悬铃木对颗粒物污染生境的适应能力 较强,大叶黄 杨居中,金银木、榆叶梅较差;(2)五种阔叶树种悬铃木、臭椿、金银木、榆叶梅、大 叶黄杨的滞尘与洁 净叶片气体交换参数损失率(Δ Pn、ΔGs、ΔTr )均呈现道路旁>街头绿地>校园的规 律且道路旁的 变化值与校园呈显著差异( P <0.05);(3)植物叶片的气体交换参数损失率随叶片滞 尘量的增加而 增大呈明显的正相关关系。
Abstract:
Gas exchange of the five major landscape plants detaining d ust at different sits were studied and dust detaining capacity in correlation with the loss rate of gas exchange parameter were analyzed .The reˉ sults showed that:(1)The loss rate of net photosynthetic rate ( Pn ),transpiration rate ( Tr ) ,stomatal conˉ ductance ( Gs ) of Lonicera maackii and Prunus triloa were higher than t he other tree species under the same site conditions, indicating smaller loss rate of gas exchang e parameters but higher adaptability to airˉ borne dust environment for Platanus acerifolia, Ailanthus altissima;( 2) The loss rate of gas exchange parameters with dust born leaves and clean leaves for the five b road leaved tree species — P.acerifolia, A. altissima, L.maackii, P. triloba and Buxus megistophylla on the basis o f site conditions, followed the trend :road side>street greenbelt>campus, with remarkable differences b etween road side and campus ( P <0.05); (3)Correlation analysis showed an remarkable positive corr elation between loss rate of gas exˉ change parameters and amount of dust detained.

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备注/Memo

备注/Memo:
⒇ 收稿日期:2008ˉ02ˉ02 修回日期:2008ˉ04ˉ10 基金项目:河北农业大学将帅计划支持 项目 作者简介:黄慧娟,女,在读硕士研究生,主要从事城市林业方面研究。ˇ通讯作者:袁 玉欣,男,教授,博士生导师,主要从事农林复合经营、生态恢复与重建和城市林业研究。
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