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Research | Open Access

Characteristics and chemical reactivity of biogenic volatile organic compounds from dominant forest species in the Jing-Jin-Ji area, China

Ying Lin1, Xiaoxiu Lun1( ), Wei Tang2, Zhongzhi Zhang2, Xiaoxi Jing1, Chong Fan1, Qiang Wang1
College of Environmental Science and Engineering, Beijing Forestry University, 100083, Beijing, China
Institute of Atmospheric Environment, Chinese Research Academy of Environmental Sciences, 100012, Beijing, China
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Abstract

Background

Biogenic volatile organic compounds (BVOCs) play an essential role in tropospheric atmospheric chemical reactions. There are few studies conducted on BVOCs emission of dominant forest species in the Jing-Jin-Ji area of China. Based on the field survey, forest resources data and the measured standard emission factors, the Guenther model developed in 1993 (G93) was applied in this paper to estimate the emission of BVOCs from several dominant forest species (Platycladus orientalis, Quercus variabilis, Betula platyphylla, Populus tomentosa, Pinus tabuliformis, Robinia pseudoacacia, Ulmus pumila, Salix babylonica and Larix gmelinii) in the Jing-Jin-Ji area in 2017. Then the spatiotemporal emission characteristics and atmospheric chemical reactivity of these species were extensively evaluated.

Results

The results showed that the total annual BVOCs emission was estimated to be 70.8 Gg Cdyear-1, consisting 40.5 % (28.7 Gg Cdyear-1) of isoprene, 36.0 % (25.5 Gg Cdyear-1) of monoterpenes and 23.4 % (16.6 Gg Cdyear-1) of other VOCs. The emissions from Platycladus orientalis, Quercus variabilis, Populus tomentosa and Pinus tabulaeformis contributed 56.1 %, 41.2 %, 36.0 % and 31.1 %, respectively. The total BVOCs emission from the Jing-Jin-Ji area accounted for 61.9 % and 1.8 % in summer and winter, respectively. Up to 28.8 % of emission was detected from Chengde followed by Beijing with 24.9 %, that mainly distributed in the Taihang Mountains and the Yanshan Mountains. Additionally, the Robinia pseudoacacia, Populus tomentosa, Quercus variabilis, and Pinus tabulaeformis contributed mainly to BVOCs reaction activity.

Conclusions

The BVOCs emission peaked in summer (June, July, and August) and bottomed out in winter (December, January, and February). Chengde contributed the most, followed by Beijing. Platycladus orientalis, Quercus variabilis, Populus tomentosa, Pinus tabulaeformis and Robinia pseudoacacia represent the primary contributors to BVOCs emission and atmospheric reactivity, hence the planting of these species should be reduced.

Keywords

Biogenic volatile organic compounds (BVOCs)IsopreneMonoterpenesJing-Jin-Ji areaSpatiotemporal characteristicsChemical reactivity

References

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Forest Ecosystems
Volume 8 Issue 4,
December 2021
Article number: 52
DOI: 10.1186/s40663-021-00322-y

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Cite this article:
Lin Y, Lun X, Tang W, et al. Characteristics and chemical reactivity of biogenic volatile organic compounds from dominant forest species in the Jing-Jin-Ji area, China. Forest Ecosystems, 2021, 8(4): 52. https://doi.org/10.1186/s40663-021-00322-y

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Received: 22 October 2020
Accepted: 03 June 2021
Published: 01 August 2021
© The Author(s) 2021.

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