北京不同树种吸滞PM2.5特征研究

赵云阁; 谷建才; 刘海龙; 鲁绍伟; 赵东波; 陈  波; 陈鹏飞; 李少宁

引用本文:	赵云阁,谷建才,刘海龙,等.北京不同树种吸滞PM2.5特征研究[J].灌溉排水学报,2017,36(3):.
	ZHAO Yunge,GU Jiancai,LIU Hailong,et al.北京不同树种吸滞PM2.5特征研究[J].灌溉排水学报,2017,36(3):.

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北京不同树种吸滞PM2.5特征研究
赵云阁，谷建才，刘海龙，鲁绍伟，赵东波，陈波，陈鹏飞，李少宁
河北农业大学林学院，河北保定071000；.北京市西山试验林场，北京 100093；北京市农林科学院林业果树研究所北京林果业生态环境功能提升协同创新中心，北京 100093

摘要:

以北京市6种常见树种为研究对象，测定不同园林绿化区PM2.5吸附量和质量浓度，探究绿化树种叶片在不同地区吸附PM2.5的变化规律及其与PM2.5质量浓度间关系。结果表明，不同树种叶片单位面积PM2.5吸附量差异显著，且在不同地点叶片吸附量变化规律基本表现为由“近郊—城区”逐渐下降，各树种叶片PM2.5的吸附量均与大气中PM2.5质量浓度呈正相关关系，其中，柳树（p<0.05）、杨树（p<0.05）和油松（p<0.01）相关性显著；不同地点大气PM2.5质量浓度变化为西山森林公园（108.238 μg/m3）>松山自然保护区（80.522 μg/m3）>北京植物园（76.905 μg/m3）>南海子公园（74.153 μg/m3），表明树种叶片PM2.5吸附量随空气污染的加重而增加。

关键词: 绿化树种； PM2.5；质量浓度；吸附量

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Characteristics of PM2.5 Absorption of 6 Tree Species and Its Relationship with Atmospheric PM2.5 Concentration in Beijing

ZHAO Yunge, GU Jiancai, LIU Hailong, LU Shaowei, ZHAO Dongbo, CHEN Bo, CHEN Pengfei, LI Shaoning

College of Forestry, Agricultural University of Hebei, Baoding 071000, China;.Xishan Experimental Forest Farm of Beijing, Beijing 100093, China; Forestry and Pomology Institute, Beijing Academy of Agricultural and Forestry Sciences Beijing Collaborative Innovation Center for Eco-environmental Improvement with Forestry and Fruit Trees, Beijing 100093, China

Abstract:

In order to explore the variation of PM2.5 adsorption on the leaves of green tree species in different regions and their relationship with PM2.5 mass concentration, the six common tree species of Beijing city were used as the research object and PM2.5 adsorption capacity and its mass concentration were determined respectively in different regions. The results showed that PM2.5 of different tree species adsorption capacity of per unit leaf area were obviously different. And the PM2.5 adsorption capacity of leaves tended to decrease from suburban to urban. There was significant correlation between the PM2.5 adsorption of leaves and PM2.5 concentration in the atmosphere, especially the Salix babylonica (p<0.05), Populus (p<0.05) and Pinustabuliformis(p<0.01); PM2.5 concentration in different areas decreased in the order of Xishan Forest Park (108.238 μg/m3), Songshan Nature Reserve (80.522 μg/m3), Beijing Botanical Garden (76.905 μg/m3), Nanhaizi Park(74.153 μg/m3). The PM2.5 adsorption capacity in tree species increased along with the increase of air pollution.

Key words: greening tree species; PM2.5; concentration; adsorption capacity