Table S2.

Parameter estimates for the fixed effects in the full generalized linear mixed effects model used to describe trends in frog populations during 1993–2012

Fixed effect	Estimate	SE	Lower 95% CI*	Upper 95% CI*
Intercept	−6.562	0.534	−7.662	−5.563
Year†	0.101	0.027	0.049	0.155
Day†	0.091	0.041	0.011	0.172
Fish†	0.281	0.136	0.016	0.549
Water depth†	−3.782	0.649	−5.102	−2.553
Elevation†	0.597	0.105	0.390	0.803
Watershed†	0.560	0.291	0.002	1.146
Precipitation	0.344	0.696	−1.020	1.717
Fish × year†	0.111	0.038	0.038	0.187
Depth × year	−0.005	0.006	−0.018	0.007
Elevation × year	−0.004	0.020	−0.044	0.036
Watershed × year	−0.029	0.045	−0.118	0.059

^*The importance of predictor variables in affecting frog abundance is determined based on whether 95% CIs include zero.

^†The 95% CIs of variables with important effects do not include zero.