![]() ![]() Canonical correspondence analysis provides not only a comprehensive assessment of the impact of meteorological factors on specific spore combinations in the air, but also informative graphical presentations of the results, illustrating the correlation between the occurrence of particular spore taxa and meteorological variables.įungal spores are an ever-present component of the air with concentrations and compositions known to fluctuate according to the complex interaction between biological and environmental factors such as: geographical location, air pollution, weather conditions, human activity and local source of vegetation. In that year, the above-mentioned parameter had the lowest value in comparison to other years. The highest values of the total variance in the spore data, explained by the statistically significant variables, were found in 2010 (32.3 %), with the highest contribution of mean air temperature (23.8 %). The meteorological factors impacted spore composition differently in different years, when analysis was done for each year separately. The largest amount of the total variance was explained in this period by the mean air temperature (9.2 %). The CCA results indicated that all statistically significant variables accounted for 15.3 % of the total variance in the spore data in the 4 years. Analyses were conducted for the data collected during the 4 year (2007–2010) and, in order to show the dynamics of such relationships, for each year separately. The aim of the study was to determine functional relationships between composition of air spora and meteorological factors, using multivariate statistical technique: canonical correspondence analysis (CCA).
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