Abstract:

The research on distribution of the microorganism groups in the air of some southern china forest area indicated: In the air over forest, moulds are the most species of microorganism, but in the urban areas, Bacterias are the majority one and its amount may be 100 times more than that of forests air or rather more; The number of microorganism in waterfall location are much less than that the other location in forests air, even sometime it is difficult to find them; The amount of microorganism, especially the bacteria, in the forests area with low aeroanion are more than that with high amount of aeroanion.

Key words: Forests area, Microorganism, Waterfall Anion