Research on Airborne Fungus Spores in Finland

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Abstract
The Finnish Aerobiology Group has with Hirst-Burkard spore traps collected airspores since 1974 in Turku (S. Finland), and since 1976 also in Oulu (65°N) and in Utsjoki, at the Kevo Subarctic Research Station (ca. 70°N). The spore maxima in the years 1974, 1975 and 1976 were quite different, although the spore seasons were almost the same. The commonest spore type in Turku was Cladosporium, altogether 53% of all. The percentage of Cladosporium spores in Oulu was only 16 and at Kevo only 4 of all the spores. The most important spore type in Oulu was that of different kinds of hyaline ascospores (1-, 2- and many-celled). Their percentage in Turku was 19 and at Kevo 14. The commonest spore type at Kevo was that of different kinds of coloured basidiospores, 31% of all. The corresponding reading in Oulu was 11% and in Turku 6%. The spore maxima in summer 1976 were in Turku on July 23rd (ca. 77 000 spores/m3), in Oulu on July 29th (ca. 23000), and at Kevo on August 30th (ca. 23 000 spores/m3). All these figures are daily mean values.

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