Table 2.
Univariate models explaining variation in invasion success and impact
| Variable | Posterior mean | Low 95% CI | Upper 95% CI | P MCMC | DIC | ΔDIC |
|---|---|---|---|---|---|---|
| Establishment (0,1) | ||||||
| SR | −0.36 | −1.29 | 0.55 | 0.450 | 225.30 | 31.34 |
| MPD | −5.06 | −24.63 | 17.80 | 0.254 | 223.63 | 29.67 |
| ND | 9.42 | 5.87 | 12.89 | <0.001 | 193.96 | 0.00 |
| RFD | 4.54 | 2.74 | 6.46 | <0.001 | 199.13 | 5.17 |
| Success (ln-transformed density) | ||||||
| SR | −0.50 | −1.74 | 0.71 | 0.435 | 1920.40 | 82.42 |
| MPD | 6.55 | −56.67 | 72.08 | 0.710 | 1896.19 | 58.21 |
| ND | 15.27 | 11.87 | 18.63 | <0.001 | 1849.68 | 11.71 |
| RFD | 4.24 | 2.92 | 5.68 | <0.001 | 1886.29 | 48.31 |
| Impact (change in the native community structure) | ||||||
| SR | 1.15 | −1.24 | 3.52 | 0.349 | 1672.89 | 73.03 |
| MPD | 29.76 | 6.53 | 50.00 | 0.025 | 1658.23 | 58.37 |
| ND | 15.47 | 9.03 | 21.93 | <0.001 | 1655.14 | 55.28 |
| RFD | 8.67 | 6.33 | 11.16 | <0.001 | 1622.13 | 22.27 |
The best univariate models were selected by the DIC, and compared to the best multivariate models in Table 1 using ΔDIC. These best models are highlighted in bold
DIC deviance information criterion