Table 2. Local-scale model summaries with individual models indicated for each model.

Estimated parameters, standard error (SE), bootstrapped 95% confidence intervals (95% CI), z-values, and p-values are reported for the relationship between α-diversity and environmental covariates.

Salinity R2 = 0.19 (GLM)
	Estimates	SE	95% CI	z-Value	p-Value
(Intercept)	−3.201	0.891	−4.94; −1.47	−3.6	<0.0001
Salinity	6.676	0.946	4.82; 8.52	7.06	<0.0001
Wave exposure (GAM) R2 = 0.12
	Estimates	SE		z-Value	p-Value
(Intercept)*	2.435	0.029		82.4	<0.0001
Ice scour (GLM) R2 = 0.05
	Estimates	SE	95% CI	z-Value	p-Value
(Intercept)	2.353	0.055	2.24; 2.46	42.7	<0.0001
Ice scour	−0.401	0.087	−0.57; −0.23	−4.59	<0.0001
Macroalgal cover (GLM) R2 = 0.14
	Estimates	SE	95% CI	z-Value	p-Value
(Intercept)	6.133	0.386	5.37; 6.89	15.9	<0.0001
Cover	−2.35	0.547	−3.42; −1.28	−4.3	<0.0001

*Approximate significance of locally weighted scatterplot wave exposure smoother: Estimated df = 8.40, p-value<0.0001.