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Published on: November 19, 2016
Pollen and mold spores. An atmospheric and field survey in Los Angeles
Abstract:
A two-year survey of pollen and mold spores by the gravity slide method revealed that there are no clear-cut tree, grass or weed pollen seasons in California. Pollen counts should be correlated with field studies to distinguish the various plants whose pollen have a similar appearance. Spores of Alternaria and Hormodendrum, whose importance in allergic disease of the respiratory tract has been well established for many years, were found all during the year. More hormodendrum spores were collected than the total of all other pollens combined.
Insights
California pollen seasons are not distinct. Mold spores like Alternaria and Hormodendrum are present year-round, with Hormodendrum being the most abundant airborne particle. Further studies are needed to identify specific plant pollens.
Area of Science:
- Environmental Science
- Allergology
- Botany
Background:
- Airborne pollen and mold spores are significant allergens.
- Understanding seasonal patterns of aeroallergens is crucial for managing allergic respiratory diseases.
Purpose of the Study:
- To investigate the seasonal distribution of pollen and mold spores in California.
- To assess the prevalence of specific aeroallergens throughout the year.
Main Methods:
- A two-year survey utilizing the gravity slide method for collecting airborne particles.
- Analysis of collected pollen and mold spore samples.
Main Results:
- No distinct seasonal patterns were observed for tree, grass, or weed pollens in California.
- Spores of Alternaria and Hormodendrum were detected year-round.
- Hormodendrum spores were more prevalent than all other collected pollens combined.
Conclusions:
- California's pollen seasons lack clear definition, necessitating correlation with field studies for accurate plant identification.
- Continuous presence of significant allergens like Alternaria and Hormodendrum highlights the need for year-round allergy management strategies.
