Regional and seasonal variation of airborne pollen and spores among the cities of South China

Rahman, Ananna, Luo, Chuanxiu, Chen, Bishan, Haberle, Simon, Khan, Md Hafijur Rahaman, Jiang, Weiming, Xiang, Rong, Liu, Jianguo, Wang, Lisha, Lin, Gang, Yang, Mingxi and Thilakanayaka, Vidusanka ORCID: (2020) Regional and seasonal variation of airborne pollen and spores among the cities of South China. Acta Ecologica Sinica, 40 (4). pp. 283-295. ISSN 1872-2032

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The composition and relative abundance of airborne pollen in urban areas of south China are strongly influenced by geographical location, vegetation, climate, and sampling device. This paper summarizes the latest reports on air pollen for 12 major cities in southern China from 1986 to 2017. The most significant taxa across all sites are Pinaceae, Poaceae, Cupressaceae, and Platanus, making up over 50% of the total airborne pollen in urban environments throughout the years. Clear shifting has been observed from long pollen seasons in the tropics to shorter periods in the south middle and north subtropical regions. There is also a discernible shift in the initiation and length of the pollen season towards higher latitudes. Both reflect the strong influence of solar radiation incidence on pollen production during spring and summer months in the southern urban areas. In this study, the comparison between airborne pollen and meteorological data indicates that the airborne pollen concentration was positively related to temperature but negatively related to precipitation and relative humidity. This study reveals that the consistent wind speed over the year had a very little but positive effect on pollen and spore concentration. The active sampler (volumetric method) in Guangzhou and Zhanjiang collected more spore and pollen species than the passive sampler (gravity method) in other cities. Understanding the future potential impacts of climate change on the phenological cycles and range of allergenic species is a critical step in the advancement of aerobiology studies in south China.

Item Type: Article
Additional Information: Funding Information: We thank our research colleagues from the South China Sea Institute of Oceanology (SCSIO). We gratefully acknowledge the editor and two anonymous reviewers for their valuable comments. This study was jointly funded by the Research Program of Guangzhou Science, Technology, and Innovation Commission (contract number 201510010043), the National Natural Science Foundation of China (grants NSFC 41876062, NSFC 41676047, NSFC 41661144003, and 91228207), the Strategic Priority Research Program of the Chinese Academy of Sciences (grant no. XDA11030104), and Innovative Development Fund projects of Innovation Research Institute on South China Sea Ecological and Environmental Engineering, Chinese Academy of Sciences (No. ISEE2018PY02). Publisher Copyright: © 2019 Ecological Society of China. Published by Elsevier B.V. All rights reserved.
Uncontrolled Keywords: airborne pollen and spore,guangzhou,meteorological parameters,seasonal variation,ecology, evolution, behavior and systematics,ecology,sdg 13 - climate action ,/dk/atira/pure/subjectarea/asjc/1100/1105
Faculty \ School: Faculty of Science > School of Environmental Sciences
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Depositing User: LivePure Connector
Date Deposited: 01 Feb 2023 15:30
Last Modified: 09 Mar 2024 09:30
DOI: 10.1016/J.CHNAES.2019.05.012

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