| annual variation of fungal spores in atmosphere of porto: 2003. | the seasonal distribution of fungal spore concentration in the city of porto, portugal, was continuously studied, from 1 january to 31 december 2003, using a 7-day volumetric burkard trap. in portugal, aerobiological studies are scarce, and to our knowledge there are no published data on the atmospheric concentration of fungal spores. the aim of this work therefore is to initiate the aeromycological studies in porto. the total airborne spore concentration fluctuated between 2 and 2,198 spores/m( ... | 2005 | 16457491 |