Table 2. Analysis of deviance table from GLM of microborer colonization of calcite blocks at each of the three study sites.

Df, degrees of freedom; Resid. Df, Residual degrees of freedom; Resid. Dev., Residual deviance.

Factor/source	Df	Deviance	Resid. Df	Resid. Dev.	F	Pr(>F)
Surface area
Site	2	12.11	97	32.75	29.84	<0.001
Block(Site)	17	13.02	80	19.73	3.78	<0.001
Total residuals			99	44.86
Depth
Site	2	7.12	597	259.26	9.48	<0.001
Block(Site)	17	13.02	580	193.91	10.24	<0.001
Total residuals			599	266.37
Erosion
Site	2	39.38	597	535.94	35.18	<0.001
Block(Site)	17	236.84	580	299.10	24.89	<0.001
Total residuals			599	575.32