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 effectEstimateSELower 95% CI*Upper 95% CI*
Intercept−6.5620.534−7.662−5.563
Year0.1010.0270.0490.155
Day0.0910.0410.0110.172
Fish0.2810.1360.0160.549
Water depth−3.7820.649−5.102−2.553
Elevation0.5970.1050.3900.803
Watershed0.5600.2910.0021.146
Precipitation0.3440.696−1.0201.717
Fish × year0.1110.0380.0380.187
Depth × year−0.0050.006−0.0180.007
Elevation × year−0.0040.020−0.0440.036
Watershed × year−0.0290.045−0.1180.059
  • * 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.