兰州城区不同绿化植物滞尘效应分析
以兰州城区乔木（槐树和榆树）、灌木（杜鹃和黄杨）、草本（黑麦草和三叶草）3类植物为试材,研究其滞尘量的差异及蒙尘后的生理响应。结果表明：不同绿化植物的滞尘能力差异显著,3种植物平均单位面积滞尘量表现为乔木〉灌木〉草本;不同绿化植物叶面滞尘量达到饱和时间夏季约为12d、秋季约9d,且3种植物秋季叶片平均滞尘量大于夏季叶片滞尘量;对叶面尘粒径分析表明,叶面尘中滞留的颗粒物中大多数是TSP（悬浮颗粒物）,同时对PM10和PM2.5均有一定量的吸收,降尘物中PM2.5、PM10和TSP相对含量均以乔木最高、灌木和草本较低,其中PM2.5和PM10含量在乔木、灌木和草本之间的差异均达到显著水平,而3种植...
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| Published in | 广东农业科学 Vol. 42; no. 10; pp. 34 - 39 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
内蒙古农业大学职业技术学院,内蒙古包头,014109
2015
|
| Subjects | |
| Online Access | Get full text |
| ISSN | 1004-874X |
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| Abstract | 以兰州城区乔木（槐树和榆树）、灌木（杜鹃和黄杨）、草本（黑麦草和三叶草）3类植物为试材,研究其滞尘量的差异及蒙尘后的生理响应。结果表明：不同绿化植物的滞尘能力差异显著,3种植物平均单位面积滞尘量表现为乔木〉灌木〉草本;不同绿化植物叶面滞尘量达到饱和时间夏季约为12d、秋季约9d,且3种植物秋季叶片平均滞尘量大于夏季叶片滞尘量;对叶面尘粒径分析表明,叶面尘中滞留的颗粒物中大多数是TSP（悬浮颗粒物）,同时对PM10和PM2.5均有一定量的吸收,降尘物中PM2.5、PM10和TSP相对含量均以乔木最高、灌木和草本较低,其中PM2.5和PM10含量在乔木、灌木和草本之间的差异均达到显著水平,而3种植物TSP含量的差异并不显著;随着叶片蒙尘时间的延长,相对含水量出现先下降后上升的趋势,比叶重和脯氨酸含量则呈现先增加后降低趋势,且3种植物叶片秋季相对含水量、比叶重和脯氨酸含量均高于夏季。相关性分析表明,3种植物滞尘能力与车流量呈极显著正相关关系。 |
|---|---|
| AbstractList | 以兰州城区乔木（槐树和榆树）、灌木（杜鹃和黄杨）、草本（黑麦草和三叶草）3类植物为试材,研究其滞尘量的差异及蒙尘后的生理响应。结果表明：不同绿化植物的滞尘能力差异显著,3种植物平均单位面积滞尘量表现为乔木〉灌木〉草本;不同绿化植物叶面滞尘量达到饱和时间夏季约为12d、秋季约9d,且3种植物秋季叶片平均滞尘量大于夏季叶片滞尘量;对叶面尘粒径分析表明,叶面尘中滞留的颗粒物中大多数是TSP（悬浮颗粒物）,同时对PM10和PM2.5均有一定量的吸收,降尘物中PM2.5、PM10和TSP相对含量均以乔木最高、灌木和草本较低,其中PM2.5和PM10含量在乔木、灌木和草本之间的差异均达到显著水平,而3种植物TSP含量的差异并不显著;随着叶片蒙尘时间的延长,相对含水量出现先下降后上升的趋势,比叶重和脯氨酸含量则呈现先增加后降低趋势,且3种植物叶片秋季相对含水量、比叶重和脯氨酸含量均高于夏季。相关性分析表明,3种植物滞尘能力与车流量呈极显著正相关关系。 S812.5; 以兰州城区乔木(槐树和榆树)、灌木(杜鹃和黄杨)、草本(黑麦草和三叶草)3类植物为试材,研究其滞尘量的差异及蒙尘后的生理响应.结果表明:不同绿化植物的滞尘能力差异显著,3种植物平均单位面积滞尘量表现为乔木＞灌木＞草本;不同绿化植物叶面滞尘量达到饱和时间夏季约为12 d、秋季约9d,且3种植物秋季叶片平均滞尘量大于夏季叶片滞尘量;对叶面尘粒径分析表明,叶面尘中滞留的颗粒物中大多数是TSP(悬浮颗粒物),同时对PM10和PM25均有一定量的吸收,降尘物中PMz5、PM10和TSP相对含量均以乔木最高、灌木和草本较低,其中PM2.5和PM10含量在乔木、灌木和草本之间的差异均达到显著水平,而3种植物TSP含量的差异并不显著;随着叶片蒙尘时间的延长,相对含水量出现先下降后上升的趋势,比叶重和脯氨酸含量则呈现先增加后降低趋势,且3种植物叶片秋季相对含水量、比叶重和脯氨酸含量均高于夏季.相关性分析表明,3种植物滞尘能力与车流量呈极显著正相关关系. |
| Author | 杨丽 |
| AuthorAffiliation | 内蒙古农业大学职业技术学院,内蒙古包头014109 |
| AuthorAffiliation_xml | – name: 内蒙古农业大学职业技术学院,内蒙古包头,014109 |
| Author_FL | YANG Li |
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| Author_xml | – sequence: 1 fullname: 杨丽 |
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| ClassificationCodes | S812.5 |
| ContentType | Journal Article |
| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Study on dust retention capacity of different green plants in Lanzhou city |
| DocumentTitle_FL | Study on dust retention capacity of different green plants in Lanzhou city |
| EndPage | 39 |
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| Keywords | 季节变化 兰州城区 滞尘效应 绿化植物 |
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| Notes | 44-1267/S YANG Li （Vocational and Technical College, Inner Mongolia Agricultural University, Baotou 014109, China） Taking three green plants including arbors（Locust tree and Ulmus pumila）,shrubs（Rhododendron and Buxus microphylla）,herbs（Lolium perenne and Trifolium repens）as experimentals material,the differences of dust retention quantity and physiological response after dust were studied.The results showed that the dust retention capacity of these green plants were significantly different,and the average unit area dust catching quantity orderedas arbors shrubs herbs.The amount of foliar dust of three green plants reached saturation time about 12 days in summer,and 9 days in autumn,the amount of dust retention of three green plants in autumn was greater than that in summer.The dust particle size analysis showed that foliar dust retention of particles in most was TSP,while PM10 and PM2.5 had a certain amount of adsorption.The relative content of PM2.5,PM10 and TSP in arbors was top,in shrubs and herbs was,low P |
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| PublicationTitle | 广东农业科学 |
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| Publisher | 内蒙古农业大学职业技术学院,内蒙古包头,014109 |
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| Snippet | 以兰州城区乔木（槐树和榆树）、灌木（杜鹃和黄杨）、草本（黑麦草和三叶草）3类植物为试材,研究其滞尘量的差异及蒙尘后的生理响应。结果表明：不同绿化植物的滞尘能力差异显... S812.5; 以兰州城区乔木(槐树和榆树)、灌木(杜鹃和黄杨)、草本(黑麦草和三叶草)3类植物为试材,研究其滞尘量的差异及蒙尘后的生理响应.结果表明:不同绿化植物的滞尘能力差异... |
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| SubjectTerms | 兰州城区 季节变化 滞尘效应 绿化植物 |
| Title | 兰州城区不同绿化植物滞尘效应分析 |
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