Influence of meteorological parameters and PM2.5 on the level of culturable airborne bacteria and fungi in Abadan, Iran

IF 2.2 3区环境科学与生态学 Q2 BIOLOGY

Aerobiologia Pub Date : 2022-03-31 DOI:10.1007/s10453-022-09744-9

Fariba Keishams, Gholamreza Goudarzi, Yaghoub Hajizadeh, Mohammad Hashemzadeh, Hakimeh Teiri

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引用次数: 1

Abstract

In recent years, monitoring of airborne bacteria and fungi concentrations has obtained increasing universal attraction not only for influences on ecological balance but also for evaluating their public health consequences. In this study, we aimed to investigate culturable airborne bacteria and fungi levels in different sites of Abadan, and their association with meteorological parameters and PM_2.5 levels. Abadan is one of the most industrialized cities in the southwest of Iran where over the current decade has experienced lots of dust storm episodes. In total, 400 air samples were collected in 6 months (autumn and winter) using a single-stage viable Andersen cascade impactor for sampling airborne bacteria and fungi and portable DustTrak Aerosol Monitor 8520 for measuring PM_2.5 concentrations and meteorological parameters. Microbial concentrations showed a significant difference between various sites over the study period with averages of 569.57 ± 312.64 and 482.73 ± 242.86 CFU/M³ for bacteria and fungi, respectively. The air temperature had a significant effect on the concentration of both airborne bacteria and fungi. A significant positive correlation between relative humidity and fungi but no correlation between relative humidity and bacteria concentrations were observed. The average airborne PM_2.5 concentrations of all sites among the study period was 93.24 ± 116.72 μg/m³. The atmospheric bacterial and fungal communities were strongly positively correlated with the ambient PM_2.5 level. The levels of airborne bacteria and fungi along with PM_2.5 in the air of the city were relatively higher than the recommended levels. Therefore, the best course of action is needed to control emission sources. Further studies are also needed to evaluate the clinical analysis of the health effects of exposure to these pollutants.

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气象参数和PM2.5对伊朗阿巴丹可培养空气细菌和真菌水平的影响

近年来，空气中细菌和真菌浓度的监测越来越受到普遍关注，不仅对生态平衡的影响，而且对评估其对公共健康的影响。在这项研究中，我们旨在调查阿巴丹不同地区可培养的空气传播细菌和真菌水平，以及它们与气象参数和PM2.5水平的关系。阿巴丹是伊朗西南部工业化程度最高的城市之一，在过去的十年里，这里经历了多次沙尘暴。在6个月（秋冬）内，使用单级可行的Andersen级联冲击器对空气中的细菌和真菌进行采样，并使用便携式DustTrak气溶胶监测仪8520测量PM2.5浓度和气象参数，总共收集了400个空气样本。研究期间，不同地点的微生物浓度存在显著差异，平均值为569.57 ± 312.64和482.73 ± 细菌和真菌分别为242.86 CFU/M3。空气温度对空气中细菌和真菌的浓度都有显著影响。相对湿度与真菌之间存在显著的正相关性，但相对湿度与细菌浓度之间没有相关性。研究期间，所有地点的平均空气PM2.5浓度为93.24 ± 116.72μg/m3。大气细菌和真菌群落与环境PM2.5水平呈正相关。该市空气中的空气传播细菌和真菌以及PM2.5水平相对高于建议水平。因此，需要采取最佳行动来控制排放源。还需要进一步的研究来评估暴露于这些污染物对健康影响的临床分析。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Aerobiologia 环境科学-环境科学

CiteScore

4.50

自引率

15.00%

发文量

审稿时长

18-36 weeks

期刊介绍： Associated with the International Association for Aerobiology, Aerobiologia is an international medium for original research and review articles in the interdisciplinary fields of aerobiology and interaction of human, plant and animal systems on the biosphere. Coverage includes bioaerosols, transport mechanisms, biometeorology, climatology, air-sea interaction, land-surface/atmosphere interaction, biological pollution, biological input to global change, microbiology, aeromycology, aeropalynology, arthropod dispersal and environmental policy. Emphasis is placed on respiratory allergology, plant pathology, pest management, biological weathering and biodeterioration, indoor air quality, air-conditioning technology, industrial aerobiology and more. Aerobiologia serves aerobiologists, and other professionals in medicine, public health, industrial and environmental hygiene, biological sciences, agriculture, atmospheric physics, botany, environmental science and cultural heritage.