Airborne Microorganisms Fluctuations Over the Gulf of Gdańsk Coastal Zone (Southern Baltic)
K. Kruczalak*, K. Olańczuk-Neyman*, R. Marks**
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* Hydro- and Environmental Engineering Faculty, Technical University of Gdańsk
ul. Narutowicza 11/12, 80-952 Gdańsk, Poland
** Institute of Marine Sciences, University of Szczecin, Wąska 13, 71-415 Szczecin, Poland
Pol. J. Environ. Stud. 2002;11(5):531-536
A one-year record of airborne microorganisms content in the region of the seaside resort in Sopot and in a few locations along the coastline of the Gulf of Gdansk are presented. The air samples were collected by means of filtration method using an apparatus produced by Sartorius. In addition, several investigations were performed to compare the results of three sampling methods: sedimentation method according to Polish Regulation [1], filtration, and impaction. The total number of mesophilic, psychrophilic bacteria and fungi concentrations in air were determined. Between January and December 1998 the number of mesophilic bacteria in air varied from a few to 308 CFU/m3 (CFU-Colony Forming Units), while the number of psychrophilic bacteria varied from 1 to 190 CFU/m3. The respective fungi content varied from 5 to 1100 CFU/m3. The monthly and seasonal geometrical mean values were calculated showing that the maximum seasonal occurrence of studied groups of microorganisms were observed at different times
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