Table 1. Maximum likelihood estimate of the DD and CR listing effect on publication rate (β) in different species groups, and the significance level (p).
LC category represents the baseline publication trend with no listing effect; see the text for more information on the method.
| Group | β | p | |||
|---|---|---|---|---|---|
| DD | CR | LC | DD | CR | |
| All species | 2.014 | 1.666 | 1.508 | 0.002 | 0.210 |
| Vertebrates | 1.998 | 1.655 | 1.530 | 0.004 | 0.272 |
| Invertebrates | 2.189 | 1.849 | 1.344 | 0.140 | 0.386 |
| Fish | 1.967 | 1.595 | 1.414 | 0.018 | 0.368 |
| Amphibians | 4.203 | 1.477 | 1.482 | 0.000 | 0.576 |
| Reptiles | 2.885 | 2.035 | 0.902 | 0.000 | 0.006 |
| Birds | 5.681 | 2.482 | 1.608 | 0.000 | 0.000 |
| Mammals | 1.849 | 1.669 | 1.902 | 0.544 | 0.782 |