Lab report in Microbial Ecology:

Group: Maria -xristina Zerma, Dimosthenis Zairis

In this column Winogradsky, used sediment and egg and water from beach Anavros in Volos.

Day 1 :

During the first day , the column was sealed and placed in a bright place , at room conditions

Second week:

During the second week , an increase in turbidity of the water. The turbidity due to increased phytoplankton cells. 

As shown in the photo below shows a pale green color.

 
Third week

 
During the third week , the turbidity of the water was reduced significantly and the water surface formed plates.
 

 
 
Fourth week
 

After the fourth week, the precipitate gradually column acquired along the length of black simultaneously,
 the water column is also colored black.