|Table of Contents|

Study on Blockingdust Effect of Roadside Tree in Yangzhou City(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年15期
Page:
114-117
Research Field:
Publishing date:

Info

Title:
Study on Blockingdust Effect of Roadside Tree in Yangzhou City
Author(s):
YU Li-li1; LIANG Hui-ying2; HE Xiao-di3; CHEN Feng-lin4
1.Yangzhou College of Environment and Resources，Yangzhou,Jiangsu 225127；
2.The Office of the Qujiang Street in Guangling District of Yangzhou City，Yangzhou，Jiangsu 225003；
3.Yangzhou University，Yangzhou，Jiangsu 225009；
4.Yangzhou Taihua Collor Garden Tudying and Exploiting Limited Company，Yangzhou，Jiangsu 225009
Keywords:
urban of Yangzhou city; outside trees; blockingdust effect
PACS:
S 731.8
DOI:
-
Abstract:
Taking Yangzhou city road greening tree species as test material，the effects of the dust indicator species，locations，and seasonal factors on the evaluation of foliar dust retention effect were studied.The results showed that leaf dust-retention measurement values to a certain extent can objectively reflect the environmental particulates in the air content，the particulates content of Wenchang Road was the maximum，followed by the campus，the park was smallest，the result was closely related to the impact of the sampling locations；evergreen shrub leaves stagnation large quantity of dust，for the performance of the ground dust interception capability was strong.Dust-retention capacity index was not consistent，because it had many influence factors，such as leaf area，crown of tree density，the amount of whole leaf number and leaf tissue structure.In tree species：the amount of each leaf Dust (mg) and the amount of per unit area Dust (g/m2) was consistent,the result was Magnolia grandiflora>Platanus acerifolia>Ginkgo biloba>Pterocarya stenoptera>Ligustrum lucidum>Cinnamomum camphora，to the amount of dust-dry weight (mg/g) changed greatly，the result was Pterocarya stenoptera>Ginkgo biloba>Platanus acerifolia>Magnolia grandiflora>Ligustrum lucidum>Cinnamomum camphora；compared with the overall index,the dust-retention ability of deciduous tree species was best.Only the amount of per unit area of dust-retention of Magnolia grandiflora linn was the highest.In Shrub species：dust leaf amount (mg)，the amount of dust-dry weight (mg/g) were the largest for Viburnum awabuki，While the unit area of dust-retention(g/m2) for Buxus sinica was largest.Dust species between the amount of seasonal change and straw burning air pollution dynamics has obvious relevance，in which Magnolia grandiflora linn has the highest value in May，others were in October.

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Last Update: 2014-08-28