布达佩斯木本植物与气溶胶细颗粒物和铜的相互作用

Haimei Chen, L. Kardos, Veronika Szabó, M. Diószegi, P. Honfi
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引用次数: 0

摘要

环境颗粒物质污染是主要关注的问题,因为它对人类健康和世界上大多数人口生活在城市地区产生重大影响。重金属是颗粒物中最受关注的成分,而铜是一种与交通高度相关的排放元素,其过量会导致毒性作用。另一方面,木本植物有助于消除城市地区的空气污染。我们的目的是:(1)比较城市木本植物叶片表面捕获环境细颗粒物的能力;(2)获取叶片表面的Cu浓度负荷。因此,我们的研究结果将为未来的城市规划提供有关空气污染修复的科学知识。研究了布达佩斯地区木本植物与重金属污染的关系。在不同交通密度下采集了4种木本植物。结果表明,在城市环境中,毛白椴和平台槭比黄曲霉和七叶树更有利于铜的积累。在不同的交通密度和采样次数下,铜的累积量在种间没有变化。这是因为,通过转运,木本植物不仅从空气中吸收铜,也从土壤中吸收铜。此外,细颗粒物的长距离运输和长期悬浮也是造成空气污染的重要原因。结果表明,木本植物是布达佩斯市区重要的植物修复元素。在中欧城市地区种植毛茛和桔黄是修复环境重金属污染的理想植物。但是环境条件因地而异。因此,为了将结果应用于不同的地点,需要进行全面的研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Woody Plants Interaction with Aerosol Fine Particulate Matters and Copper in Budapest
Ambient particulate matter pollution is the primary concern as it has a significant impact on human health and the majority of the world's population lives in urban areas. Heavy metals are the most concerning component of particulate matter, and Cu is a highly traffic-related emission element whose overabundance results in toxic effects. Woody plants, on the other hand, contribute to the removal of airborne pollution in urban areas. Our aims are (1) to compare urban woody plants abilities to capture ambient fine particulate matter on leaf surface; and (2) to access the Cu concentration loads on their leaf surfaces. Consequently, our results will provide scientific knowledge for future urban planning concerning air pollution remediation. We investigated the relationship between woody plants and heavy metal pollution in Budapest. Four woody plant species were sampled at different traffic densities. Their Cu contents in the leaf and branch were measured, our results show that Tilia tomentosa and Acer platanoides are better options for ambient Cu accumulation than Fraxinus excelsior and Aesculus hisppocastanus in urban environments. At different traffic densities and sampling times, however, Cu accumulation did not vary across species. This is because, through translocation, woody plants absorb Cu not only from the air but also from the soil. Furthermore, it is also because of the long-distance transportation and long-term suspension of fine particulate matter. From the obtained results, we can conclude that woody plants are important phytoremediation elements in the urban area of Budapest. Planting T. tomentosa and A. platanoides in urban areas of central Europe will be promising for ambient heavy metal pollution phytoremediation. But environmental conditions differ from one place to another. Therefore, a comprehensive study is required in order to apply the results to different locations.
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