TABLE 2.

Results of the three-way ANOVA to test the significance of variations in bacterial abundance and the relative abundance of bacterial groups (%VHNA, %HNA, and %LNA) associated with seasonal (month [June 2001, August 2001, October 2001, December 2001, and June 2002]), horizontal (station [stations 4, 5, 6, and 7]), and vertical (depth [upper and lower layers as defined in the text]) dimensions during the stratification period

Variable	Source of variation	DF	F	P
Total bacteria	Month	4	59	<0.001
	Station	3	2	0.173
	Depth	1	475	<0.001
%VHNA	Month	4	9	0.001
	Station	3	2	0.207
	Depth	1	256	<0.001
%HNA	Month	4	43	<0.001
	Station	3	23	<0.001
	Depth	1	355	<0.001
%LNA	Month	4	30	<0.001
	Station	3	25	<0.001
	Depth	1	552	<0.001