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Pollen grains were identified using a Durham sampler in the atmosphere of Is parta during 1995 and 1996. During two years, a total of 15,660 pollen grains belonging to41 taxa, as well as unidentified pollen grains, were recorded. In 1995, 7357 pollen grains were identified and in 1996, 8303. Total pollen grains were 71% arboreal,25% non-arboreal plants, and 4% unidentified. In the region investigated, Pinus L., Cupressaceae, Gramineae, Platanus L., Quercus L., Artemisia L., Chenopodiaceae/Amaranthaceae, and Urticaceae were responsible for the greatest amounts of pollen. The pollen concentration reached its highest level in May.