Scientists tracked airborne pollen from the rare Spanish fir (Abies pinsapo) across seven years to understand when it pollinates and how weather affects pollen dispersal. They found pollination peaks March through June, driven by warmth and wind, but detected no significant long-term trend in pollen season timing or intensity.
1
Spanish fir pollen season runs from March to June, identifiable by its distinctively larger grain size compared to other members of the pine family.
2
Temperature and wind speed positively correlated with airborne pollen concentrations, while relative humidity showed a negative correlation.
3
No statistically significant trends in pollen season timing or intensity were detected across the 2018–2025 study period using multiple analysis methods.
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