Introduction. Although airborne fungal diversity in tropical countries is known to be considerable, aerobiological research
to-date has identified only a part of the fungal mycobiota that may have an impact both on human health and on crops.
Previous studies in Havana city identified only 30 genera and 5 spore types; therefore,new research is required in these
latitudes. This study sought to investigate airborne spore levels in Havana, with a view to learning more about local fungal
diversity and assessing its influence in quantitative terms.
Materials and method. A Hirst type volumetric sampler was located on the rooftop of a building 35 meters above ground
level, in a busy area of the city. Sampling was carried out continuously (operating 24hours/day), at 10 L per minute during
the year 2015. The fungal spores were collected on a Melinex tape coated with a 2% silicone solution. The results were
expressed as spores per cubic meter (spores/m3) of air when to referring to daily values, and spores count if referring to
annual value.
Results. Fourteen new genera were identified in the course of volumetric sampling: six produce ascospores and eight
conidia. Morphobiometric characteristics were noted for all genera, and airborne concentrations were calculated. These
genera accounted for 56.4% of relative fungal frequency over the study year.
Conclusions. Many airbone fungi are primary causes of both respiratory disease and crop damage. These new findings
constitute a major contribution to Cuba’s aerobiological database.
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