A study of Gramineae and Urticaceae pollen in the Derby area |
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| Authors: | Julie M Corden Wendy M Millington |
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| Institution: | (1) The Midlands Asthma and Allergy Research Association, 12 Vernon Street, UK-DE1 1FT Derby, UK |
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| Abstract: | Summary Gramineae and Urticaceae seasonal variations and diurnal rhythms for Derby in 1986, 1987 and 1988 are shown and discussed.The time of highest hourly concentration of Gramineae for Derby in June was 1900 hours. Maximum hourly counts for June of Urticaceae pollen occurred between 1400 and 1600 hours.Urticaceae has a second period of high concentration in August. Gramineae and Urticaceae pollens from 1969–1990 show no significant long term trends. |
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| Keywords: | diurnal rhythms Gramineae pollen trends Urticaceae |
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