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Ability of typical greening tree species to purify NO2 under different environmental factors

文献类型： 外文期刊

作者： Fang, Jiaxing 1 ; Li, Shaoning 1 ; Wang, Mengxue 1 ; Zhao, Na 1 ; Xu, Xiaotian 1 ; Li, Bin 1 ; Zhang, Junjie 1 ; Liu, Chen 1 ; Zhang, Qin 1 ; Lu, Shaowei 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Forestry & Pomol, Beijing 100093, Peoples R China

2.Natl Forest & Grassland Adm, Beijing Yanshan Forest Ecosyst Res Stn, Beijing 100093, Peoples R China

3.Shenyang Agr Univ, Forestry Coll, Shenyang 110866, Peoples R China

关键词： Greening tree species; Nitrogen oxides; Purification; Environmental factors; One-time fumigation experiment

期刊名称：ATMOSPHERIC POLLUTION RESEARCH （ 影响因子：3.5； 五年影响因子：3.7 ）

ISSN： 1309-1042

年卷期： 2025 年 16 卷 2 期

页码：

收录情况： SCI

摘要： Trees can uptake nitrogen dioxide(NO2) and purify atmosphere, but the complex variation of environmental factors affects the ability of trees to purify NO2. In this study, we conducted a one-time fumigation experiment on four typical greening tree species in China, including Japanese pagoda tree (Styphnolobium japonicum), Ginkgo (Ginkgo biloba), Manchurian red pine (Pinus tabuliformis), and Bunge's pine (Pinus bungeana), to analyze the impact of environmental factors on the ability of the trees to remove NO2 from the air by quantifying their performance under different conditions of temperature, relative humidity, and wind speed. The results showed the following: (1) Broadleaf trees were more effective at purification compared with coniferous trees. (2) With the increase of temperature, the average purification rate of each tree species showed a decreasing and then increasing trend; except Bunge's pine, the purification amount per unit leaf area of each tree species showed an increasing and then decreasing trend. (3) With increasing relative humidity, the purification of NO2 per unit leaf area in coniferous trees increased, while the trend in broadleaf trees decreased and then increased; the average purification rate of all the tree species, except Ginkgo, also decreased and then increased. (4) Temperature inhibited plant NO2 purification capacity, relative humidity promoted plant NO2 purification capacity, and wind speed had less ability to influence. (5) Multiple linear regression equations were successfully established to predict the ability of trees to purify NO2 under different environmental factors. The study provides an important reference to purify atmosphere.

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