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Organophosphate esters in surface soils from a heavily urbanized region of Eastern China: Occurrence, distribution, and ecological risk assessment
Tang, Jianfeng; Sun, Jing; Ke, Ziyan; Yin, Hongling; Yang, Lei; Yen, Haw; Li, Xinhu; Xu, Yaoyang
2021-10-15
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
Volume290Pages:-
AbstractIt is widely recognized that green infrastructures in urban ecosystems provides important ecosystem services, including air purification. The potential absorption of nitrogen oxides (NOx) by urban trees has not been fully quantified, although it is important for air pollution mitigation and the well-being of urban residents. In this study, four common tree species (Sophora japonica L., Fraxinus chinensis Roxb., Populus tomentosa Carriere, Sabina chinensis (L.)) in Beijing, China, were studied. The dual stable isotopes (N-15 and O-18) and a Bayesian isotope mixing model were applied to estimate the sources contributions of potential nitrogen sources to the roadside trees based on leaf and soil sampling in urban regions. The following order of sources contributions was determined: soil > dry deposition > traffic-related NOx. The capacity of urban trees for NOx removal in the city was estimated using a remote sensing and GIS approach, and the removal capacity was found to range from 0.79 to 1.11 g m(-2) a(-1) across administrative regions, indicating that 1304 tons of NOx could be potentially removed by urban trees in 2019. Our finding qualified the potential NOx removal by urban trees in terms of atmospheric pollution mitigation, highlighting the role of green infrastructure in air purification, which should be taken into account by stakeholders to manage green infrastructure as the basis of a nature-based approach.
Department城市与区域生态国家重点实验室
KeywordNOx removal Urban trees Stable isotope Source apportionment Atmospheric pollution mitigation Beijing
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46747
Collection城市与区域生态国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Environm & Hlth, 1799 Jimei Rd, Xiamen 361021, Peoples R China
2.Chinese Acad Sci, Ningbo Urban Environm Observat & Res Stn, Zhejiang Key Lab Urban Environm Proc & Pollut Con, Ningbo 315800, Peoples R China
3.Chengdu Univ Informat Technol, Coll Resources & Environm, Chengdu 610225, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China
6.[Yen, Haw
7.Auburn Univ, Sch Forestry & Wildlife Sci, Auburn, AL 36849 USA
8.Tongji Univ, Coll Architecture & Urban Planning, Shanghai 200082, Peoples R China
Recommended Citation
GB/T 7714
Tang, Jianfeng,Sun, Jing,Ke, Ziyan,et al. Organophosphate esters in surface soils from a heavily urbanized region of Eastern China: Occurrence, distribution, and ecological risk assessment[J]. ENVIRONMENTAL POLLUTION,2021,290:-.
APA Tang, Jianfeng.,Sun, Jing.,Ke, Ziyan.,Yin, Hongling.,Yang, Lei.,...&Xu, Yaoyang.(2021).Organophosphate esters in surface soils from a heavily urbanized region of Eastern China: Occurrence, distribution, and ecological risk assessment.ENVIRONMENTAL POLLUTION,290,-.
MLA Tang, Jianfeng,et al."Organophosphate esters in surface soils from a heavily urbanized region of Eastern China: Occurrence, distribution, and ecological risk assessment".ENVIRONMENTAL POLLUTION 290(2021):-.
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