Characteristics and determinants of ambient fungal spores in Hualien, Taiwan

Hsiao Man Ho, Carol Y. Rao, Hsiao Hsien Hsu, Yueh Hsiu Chiu, Chi Ming Liu, H. Jasmine Chao

Research output: Contribution to journalArticle

98 Citations (Scopus)

Abstract

Characteristics and determinants of ambient aeroallergens are of much concern in recent years because of the apparent health impacts of allergens. Yet relatively little is known about the complex behaviors of ambient aeroallergens. To address this issue, we monitored ambient fungal spores in Hualien, Taiwan from 1993-1996 to examine the compositions and temporal variations of fungi, and to evaluate possible determinants. We used a Burkard seven-day volumetric spore trap to collect daily fungal spores. Air pollutants, meteorological factors, and Asian dust events were included in the statistical analyses to predict fungal levels. We found that the most dominant fungal categories were ascospores, followed by Cladosporium and Aspergillus/ Penicillium. The majority of the fungal categories had significant diurnal and seasonal variations. Total fungi, Cladosporium, Ganoderma, Arthrinium/Papularia, Cercospora, Periconia, Alternaria, Botrytis, and PM10 had significantly higher concentrations (p10), relative humidity, rainfall, atmospheric pressure, total hydrocarbons, carbon monoxide, nitrogen dioxide, and sulfur dioxide. Most of the fungal categories had higher levels in 1994 than in 1995-96, probably due to urbanization of the study area. In this study, we demonstrated complicated interrelationships between fungi and air pollution/meteorological factors. In addition, long-range transport of air pollutants contributed significantly to local aeroallergen levels. Future studies should examine the health impacts of aeroallergens, as well as the synergistic/antagonistic effects of weather, and local and global-scale air pollutions.

Original languageEnglish
Pages (from-to)5839-5850
Number of pages12
JournalAtmospheric Environment
Volume39
Issue number32
DOIs
Publication statusPublished - Oct 2005

Fingerprint

Fungi
spore
health impact
fungus
Air pollution
atmospheric pollution
Health
Allergens
Aspergillus
Sulfur dioxide
long range transport
nitrogen dioxide
Air
sulfur dioxide
carbon monoxide
Carbon monoxide
atmospheric pressure
diurnal variation
Atmospheric pressure
Rain

Keywords

  • Aeroallergens
  • Aerobiology
  • Asian dust storms
  • Fungi

ASJC Scopus subject areas

  • Atmospheric Science
  • Environmental Science(all)
  • Pollution

Cite this

Characteristics and determinants of ambient fungal spores in Hualien, Taiwan. / Ho, Hsiao Man; Rao, Carol Y.; Hsu, Hsiao Hsien; Chiu, Yueh Hsiu; Liu, Chi Ming; Chao, H. Jasmine.

In: Atmospheric Environment, Vol. 39, No. 32, 10.2005, p. 5839-5850.

Research output: Contribution to journalArticle

Ho, Hsiao Man ; Rao, Carol Y. ; Hsu, Hsiao Hsien ; Chiu, Yueh Hsiu ; Liu, Chi Ming ; Chao, H. Jasmine. / Characteristics and determinants of ambient fungal spores in Hualien, Taiwan. In: Atmospheric Environment. 2005 ; Vol. 39, No. 32. pp. 5839-5850.
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AB - Characteristics and determinants of ambient aeroallergens are of much concern in recent years because of the apparent health impacts of allergens. Yet relatively little is known about the complex behaviors of ambient aeroallergens. To address this issue, we monitored ambient fungal spores in Hualien, Taiwan from 1993-1996 to examine the compositions and temporal variations of fungi, and to evaluate possible determinants. We used a Burkard seven-day volumetric spore trap to collect daily fungal spores. Air pollutants, meteorological factors, and Asian dust events were included in the statistical analyses to predict fungal levels. We found that the most dominant fungal categories were ascospores, followed by Cladosporium and Aspergillus/ Penicillium. The majority of the fungal categories had significant diurnal and seasonal variations. Total fungi, Cladosporium, Ganoderma, Arthrinium/Papularia, Cercospora, Periconia, Alternaria, Botrytis, and PM10 had significantly higher concentrations (p10), relative humidity, rainfall, atmospheric pressure, total hydrocarbons, carbon monoxide, nitrogen dioxide, and sulfur dioxide. Most of the fungal categories had higher levels in 1994 than in 1995-96, probably due to urbanization of the study area. In this study, we demonstrated complicated interrelationships between fungi and air pollution/meteorological factors. In addition, long-range transport of air pollutants contributed significantly to local aeroallergen levels. Future studies should examine the health impacts of aeroallergens, as well as the synergistic/antagonistic effects of weather, and local and global-scale air pollutions.

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