Abstract
An aeropalynological study was performed in the Tan-Shui area of Taipei County during 1993. A total of 128 taxa belonging to 77 families were identified. The dominant pollen were of genera Broussonetia (73.7%), Trema (7.4%), Boehmeria (2.8%), and Ardisia (2.4%). There were two major pollen seasons: March to May and August to October. The major pollen types changed with seasons: tree pollen in spring, fern spores with some weed pollen in summer and weed pollen in autumn. The majority of collected pollen were of anemophilous species. There existed a diurnal variation in the amount of airborne pollen within a day: with the highest peak occurring in the morning. On the basis of the present study, a pollen calendar was provided for the Tan-Shui area.
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