An annual study of airborne pollen in northern Mexico City |
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Authors: | Irene Bronillet Tarragó |
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Institution: | (1) Tecualiapan # 36-IX-6, 04320 Mexico, D.F., Mexico |
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Abstract: | An investigation of airborne pollen in northern Mexico City was carried out for one year. A total of 24 taxa were identified
and classified according to the growing form in pollen of trees, weeds and grasses. Pollen grains were recorded all year round
with a peak in December. The trees group showed the highest quantity of pollen as well as taxa diversity, although its peak
period was in the dry season. The weeds and grasses emitted a larger quantity of pollen in the rainy season. The dominant
taxa wereAlnus, Casuarina, Compositae and Gramineae. As for their relation with meteorological parameters, we found that the increase of pollen concentration
was related to high temperatures, low relative humidity and high wind speed, the latter causing an increase of airborne pollen
with no dilution at all. The hours with the highest pollen concentration where from 16:00 to 18:00. |
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Keywords: | Aerobiology Airborne pollen Mexico |
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