Summary
This work presents a calendar of pollen types found in the atmosphere of Chittagong University Campus, Chittagong, Bangladesh, recorded over the period of March 1988–February 1990. A total of 9,225 pollen/cm2 was encountered and classified in 36 pollen types belonging to 26 families. The pollen concentration showed three peak periods, March, October and November and each period was dominated by a specific pollen type. Low frequency of pollen was probably due to heavy rainfall which washed down the pollen. January and February were also marked by lower abundance of pollen and was probably due to the low rate of flowering. This study clearly showed four airborne pollen seasons from October to November, December to February, March to April and June to September. The dominant pollen types were Poaceae, followed by Amaranthaceae, Arecaceae, Asteraceae and Cyperaceae. The pollen calendar was provided to show the range of flowering with the period of occurrence in air of the area studied.
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Badya, K.K., Pasha, M.K. A pollen calendar for Chittagong University Campus, Chittagong (Bangladesh). Aerobiologia 7, 62–68 (1991). https://doi.org/10.1007/BF02450019
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DOI: https://doi.org/10.1007/BF02450019