September 14 Columns

 Week 1 Growth- 14 September 2018

During our first week, we see that the sediment layer has settled to the bottom of the jars.  No other stratification layers have developed at this point.  We also see some condensation gathering on the cling wrap.  

Figure 1: Control 

   

Figure 2: Salinity 4%

Figure 3: Salinity 8%

Figure 4: Salinity 12%

Figure 5: All Winogradsky Columns

Salinity	Stratification Layers	Height
Control	Water	3.5 cm
	Sediment Mixture	11.6 cm
4%	Water	3.1 cm
	Sediment Mixture	11 cm
8%	Water	3.3 cm
	Sediment Mixture	11.7 cm
12%	Water	3.1 cm
	Sediment Mixture	11.9 cm