Relationship between Japanese Cedar and Cypress Pollen Counts and Meteorological Factors in Yamaguchi.

概要

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The amount of Japanese cedar and cypress pollen has been measured every spring for 10 years at JA Yamaguchi Shuto General Hospital. The total counts of cedar and cypress pollen and the day pollen scattering began have differed depending on the year.The relationship among pollen counts, meteorological factors and biophenomenological factors was investigated.A correlation was noted between the day pollen scattering began and the mean air temperature in January, February and August.No correlation was found between the total pollen counts and meteorological factors such as mean air temperature, maximum air temperature and sunshine duration in January, February, July and August.A correlation was evident between the day pollen scattering began and the day Japanese apricot trees came into bloom.No correlation was observed between the day pollen scattering began and biophenomenological factors such as the first day of singing of Japanese skylarks, the first day the large brown cicadas are heard and the day that cranes fly away from Yashiro.These findings suggest that forecasting cedar and cypress pollen scattering is not easy even when meteorological and biophenomenological factors are recorded.
耳鼻咽喉科臨床学会の論文