Table 2.

Results of Tukey’s Post Hoc Pairwise Comparisons of the Relationship Between California Mussel Length (mm) and Log-Transformed Proportion of Mussels (Slopes of Each Size Spectra), Between Each (A) Ecological and Temporal Context and (B) Occupation Time on the South Coast and Central Coast

Model Region	Pairwise Comparison	P
(A) Modern-Ancient
Log10 (Proportion) of mussels ~ Length + Context + Length*Context
South Coast	Modern without Sea Otters—Ancient	0.72
	Modern with Sea Otters—Ancient	0.003*
	Modern with Sea Otters—Modern without Sea Otters	0.008*
Central Coast	Modern without Sea Otters—Ancient	0.13
	Modern with Sea Otters—Ancient	0.0009*
	Modern with Sea Otters—Modern without Sea Otters	0.034*
(B) Modern
Log10(Proportion) of mussels ~ Length + Occupation time + Length*Occupation time
South Coast	0–5	0.98
	0–20	0.32
	0–40	0.20
	5–20	0.43
	5–40	0.25
	20–40	0.90
Central Coast	0–4	0.028*
	0– 6–8	0.23
	0–21	< 0.0001*
	0–37	0.42
	4– 6–8	0.90
	4–21	0.0001*
	4–37	0.71
	6– 8–21	< 0.0001*
	6– 8–37	1.0
	21–37	< 0.0001*

Significant results are starred.