TABLE 6.

P-test results and Φ_ST values for community comparisons made in this study

Comparison	P value	ΦST value
Same temp, different chemistry, same spring
AS103 Fe vs AS103 Fe-S	0.0001	0.433
AS103 S vs AS103 Fe-S	0.0001	0.794
Different temp, same chemistry, same spring
RM-70 vs RM-65	0.0001	0.236
RM-70 vs RM-60	0.0001	0.524
RM-65 vs RM-60	0.0001	0.207
A102-70 vs AS102-65	NSa	0.090
A102-65 vs AS102-60	NS	0.009
A102-70 vs AS102-60	0.0008	0.086
A101-70 vs AS101-65	0.0001	0.075
Same temp, different chemistry, different springs
RM-65 vs AS101-65	0.0001	0.593
RM-60 vs AS102-60	0.0001	0.681
Different temp, same chemistry, different springs
RM-70 vs AS103 Fe	0.0001	0.274
RM-65 vs AS103 Fe	0.0001	0.244
A101-60 vs AS102-60	0.0001	0.124

^aNS, not significant.