| Richness | ||||||
Predictors | edf | Chi.sq | p | ||||
Smooth term (NH4, NO3) | 0.002 | 0.001 | 0.57 | ||||
Smooth term (canopy) | 2.97 | 21.03 | < 0.001 | ||||
Smooth term (precipitation) | 0.97 | 11.82 | < 0.001 | ||||
Smooth term (age) | 1.11 | 20.04 | < 0.001 | ||||
Smooth term (pH) | 0.89 | 5.62 | 0.008 | ||||
Tensor product smooth term (longitude, latitude, year) | 31.53 | 179.08 | < 0.001 | ||||
Parametric coefficient | Â | Â | Â | ||||
 | Estimate | Std. error | z-value | p | |||
Intercept | 7.49 | 0.38 | 19.48 | < 0.001 | |||
Fixed effect (forest type) | 2.20 | 0.53 | 4.15 | < 0.001 | |||
Deviance explained = 36.6% |