Table 2.
Parameter estimates and standard errors (s.e.) for the model ‘species+lat+lat:species+farm’ (see table 1) explaining variation in the persistence times of six mammal species introduced to islands in the New Zealand archipelago.
| parameter | estimate | s.e. | |
|---|---|---|---|
| intercept | 0.346 | 0.156 | |
| latitude | −0.006 | 0.003 | |
| farming | unfarmed | 0 | — |
| farmed | 0.018 | 0.019 | |
| species | cat | 0 | — |
| goat | 0.240 | 0.281 | |
| pig | 0.041 | 0.255 | |
| possum | 1.890 | 0.996 | |
| rabbit | −0.203 | 0.189 | |
| sheep | 0.517 | 0.376 | |
| lat:species | cat | 0 | — |
| goat | −0.006 | 0.006 | |
| pig | −0.001 | 0.006 | |
| possum | −0.040 | 0.022 | |
| rabbit | 0.004 | 0.004 | |
| sheep | −0.012 | 0.007 | |
| ln(scale) | −2.395 | 0.209 |