Table 2 Impacts of forest type on shrub layer aboveground biomass, estimated using LMM assuming log-normal distribution. AICc = 409.1, AICcfull = 489.1, AICc0 = 490.8. Significant variables were italicized
From: How do invasive trees impact shrub layer diversity and productivity in temperate forests?
Variable | Estimate | SE | t value | Pr(> |t|) |
|---|---|---|---|---|
(Intercept) | 7.2691 | 0.2990 | 24.3090 | < 0.0001 |
type = Pinus rich | 0.8913 | 0.3023 | 2.9490 | 0.0037 |
type = Pinus rich-Ps | 1.7319 | 0.3534 | 4.9010 | 0.0000 |
type = Pinus poor | 0.3780 | 0.4630 | 0.8160 | 0.4155 |
type = Pinus poor-Ps | 1.3588 | 0.3473 | 3.9130 | 0.0001 |
type = Q. petraea | 0.4136 | 0.3425 | 1.2080 | 0.2291 |
type = Q. rubra | − 1.0216 | 0.3730 | − 2.7390 | 0.0069 |
type = Quercus-Acer-Tilia | 1.1584 | 0.3563 | 3.2510 | 0.0014 |
type = Robinia | 1.2176 | 0.3922 | 3.1050 | 0.0023 |
Random effects SD: | Block | 0.497 | Residuals | 0.778 |