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Back-trajectories Show Export of Airborne Fungal Spores (Ganoderma sp.) From Forests to Agricultural and Urban Areas in England

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Sadyś, Magdalena, Skjøth, C. ORCID: https://orcid.org/0000-0001-5992-9568 and Kennedy, Roy (2014) Back-trajectories Show Export of Airborne Fungal Spores (Ganoderma sp.) From Forests to Agricultural and Urban Areas in England. Atmospheric Environment, 84. pp. 88-99. ISSN 1352-2310

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Abstract

We propose here the hypothesis that all of United Kingdom (UK) is likely to be affected by Ganoderma sp. spores, an important plant pathogen. We suggest that the main sources of this pathogen, which acts as a bioaerosol, are the widely scattered woodlands in the country, although remote sources must not be neglected. The hypothesis is based on related studies on bioaerosols and supported by new observations from a non-forest site and model calculations to support our hypothesis.

Hourly concentrations of Ganoderma sp. spores were measured from 2006 to 2010 using a 7-day volumetric spore trap at the city of Worcester. The concentrations peak during the night and early in the morning. This suggests that the main spore sources are located a few hours away with respect to air masses transport and reach urban areas thanks to air masses transport.

The back-trajectory analysis was applied to determine the location of Ganoderma sp. spore sources. The analysis of back-trajectories demonstrated that 78% of the air masses reached Worcester from a 180° arc direction from the East to West. Three episodes were selected for detailed investigation and they revealed that during the episodes air masses always passed main UK woodlands before the arrival in Worcester, independently of their origin, but the long distance transport under certain conditions might be possible.

Our studies suggest that the sources of UK Ganoderma sp. spores are mainly to be found in UK. Hence our studies suggest that research and mitigation strategies in UK should give their main attention to national sources, without neglecting the contribution from long distance transport.

Item Type:	Article
Additional Information:	Staff and students at the University of Worcester can access the full-text of the online published article via the official URL. External users should check availability with their local library or Interlibrary Requests Service. Originally deposited as National Pollen and Aerobiology Research Unit (NPARU)
Uncontrolled Discrete Keywords:	trajectories, HYSPLIT, spore concentration, long distance transport, seasonal pattern, diurnal pattern
Subjects:	Q Science > Q Science (General)
Divisions:	College of Health, Life and Environmental Sciences > School of Science and the Environment
Related URLs:	UNSPECIFIED Publisher
Depositing User:	Carsten Skjoth
Date Deposited:	17 Jan 2014 10:14
Last Modified:	17 Jun 2020 17:02
URI:	https://eprints.worc.ac.uk/id/eprint/2937

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