Table 1. LIBSHUFF analysis of variability in CCA clone library community composition.

Library comparison	Significance	Notes
Time 2 days
27 °C vs ALL 2 days	P<0.002	T 2 days 29 °C subset of T 2 days 27 °C (P>0.01)
29 °C vs 31 °C	P=0.002
32 °C vs ALL 2 days	P<0.0002
Time 7 days
27 °C vs ALL 7 days	P<0.001	T 7 days 29 °C subset of T 7 days 27 °C (P>0.01)
32 °C vs ALL 7 days	P=0.0001
Between time
7 days 27 °C vs ALL 2 days	P=0.0001
7 days 29 °C vs 2 days 32 °C	P=0.0001
7 days 31 °C vs 2 days 29 °C	P<0.001
7 days 31 °C vs 2 days 32 °C	P=0.0001	T 2 days 32 °C subset of T 7 days 31 °C (P>0.01)
7 days 32 °C vs ALL 2 days	P=0.0001

Abbreviations: ALL, all other treatments; CCA, crustose coralline algae; T, time.

Only statistically significant comparisons are shown.

^**No significant differences were detected between any of the four sediment libraries.