Abstract
This is the first data from a pollen survey in Vigo, an Atlantic city in northwest Spain. The pollen calendar for Vigo is presented, as well as the pollination period for the nine most important allergenic plants. Through 1995, 30 083 pollen grains belonging to 52 taxa, were recorded using the Lanzoni VPPS 2000 volumetric spore-trap. The most relevant taxa found were: Urticaceae,Pinus, Poaceae andQuercus (75% of the total pollen),Betula, Castanea, Cupressaceae, Chenopodiaceae, Ericaceae, Myrtaceae,Olea, Plantago, Platanus andRumex (21%), and the final 4% was distributed mainly among pollen types, such as:Corylus, Alnus, Fabaceae, Compositae,Artemisia andCedrus. Of the total annual pollen count, 56% was found in March and April. Another, secondary peak was recorded in June corresponding to the flowering period of herbaceous species. The high pollen total of Urticaceae (7625 grains, 25% of the total) should be highlighted. The percentages ofOlea europaea (565 grains) should be noted as well, taking into account its geographical distribution.
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