Table 3.
Results of linear mixed‐effects models testing the effects of functional diversity on aboveground carbon stock
| Fixed effects | Random effects (variance) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Est. | SE | df | t | Pr (>|t|) | Sp.rich. | Slope | Rsd. | Marg. R 2 | AIC | |
| (Intercept) | 11.76 | 0.16 | 2.98 | 71.90 | <0.001 | 0.00 | 0.05 | 0.15 | 0.09 | 30.74 |
| Fric | 103.06 | 56.38 | 24.19 | 1.83 | 0.079 | |||||
| (Intercept) | 12.92 | 0.48 | 25.97 | 27.11 | <0.001 | 0.00 | 0.03 | 0.15 | 0.13 | 37.96 |
| Feve | −1.66 | 0.75 | 24.58 | −2.21 | 0.037 | |||||
| (Intercept) | 11.75 | 0.27 | 8.16 | 43.48 | <0.001 | 0.00 | 0.05 | 0.17 | 0.01 | 40.77 |
| Fdis | 1.00 | 1.57 | 25.82 | 0.64 | 0.528 | |||||
| (Intercept) | 12.30 | 0.446 | 22.51 | 27.577 | <0.001 | 0.01 | 0.02 | 0.16 | 0.03 | 41.95 |
| Fdiv | −0.64 | 0.686 | 25.47 | −0.935 | 0.359 | |||||
| (Intercept) | 11.77 | 0.22 | 4.18 | 53.14 | <0.001 | 0.00 | 0.06 | 0.17 | 0.02 | 38.38 |
| RaoQ | 3.82 | 4.66 | 25.80 | 0.82 | 0.42 | |||||
| (Intercept) | 12.97 | 0.43 | 24.83 | 30.08 | <0.001 | 0.00 | 0.04 | 0.12 | 0.27 | 23.83 |
| Fric | 135.59 | 50.64 | 23.15 | 2.68 | 0.013 | |||||
| Feve | −2.03 | 0.68 | 23.32 | −2.97 | 0.006 | |||||
Est., coefficient estimates; SE, standard errors; Sp.rich., species richness; Rsd., residual variance; Marg. R 2, marginal R square; Fric, functional richness; Feve, functional evenness; Fdis, functional dispersion; Fdiv, functional divergence; RaoQ, Rao quadratic entropy.