| air-borne microorganisms in the metropolitan area of graz, austria. | urban and rural regions are affected by different microorganism loads depending on their structure and utilization. at 7 sampling sites in the metropolitan area of graz, counts of airborne bacteria as well as yeasts and molds were conducted over a one-year period at two-week intervals. bacteria and yeasts/molds counts in a village area to the south of graz dominated by agriculture exceeded the corresponding counts in a suburban residential area fourfold (327 cfu/m3 air-bacteria) and twofold (185 ... | 1998 | 9524738 |