Table 6.
Best-fit function and concavity of best-fit decline curves in medium life-history speed populations affected by increasing, fixed pressure (F3), under different scenarios of time-series quality degradation
| Best-fit function (out of 1000 simulations) | Concavity (out of 1000 simulations) | |||||
|---|---|---|---|---|---|---|
| Degradation type | Specific degradation | Linear (%) | Quadratic (%) | Exponential (%) | Concave (%) | Convex (%) |
| Years either side of pressure | 25 (None) | 1.7 | 98.3 | 0 | 1 | 99 |
| Years either side of pressure | 20 | 15.5 | 84.5 | 0 | 5.8 | 94.2 |
| Years either side of pressure | 15 | 14.4 | 85.5 | 0.1 | 6.6 | 93.4 |
| Years either side of pressure | 10 | 13.7 | 86 | 0.3 | 5.5 | 94.5 |
| Years either side of pressure | 5 | 4.2 | 95.5 | 3 | 7 | 93 |
| Years after pressure | 20 | 15.4 | 84.5 | 0.1 | 7.8 | 92.2 |
| Years after pressure | 15 | 16.9 | 82.8 | 0.3 | 8.8 | 91.2 |
| Years after pressure | 10 | 16.9 | 82.7 | 0.4 | 6.2 | 93.8 |
| Years after pressure | 5 | 4.9 | 94 | 1.1 | 10.3 | 89.7 |
| Years before pressure | 20 | 12.5 | 87.5 | 0 | 3.7 | 96.3 |
| Years before pressure | 15 | 11.1 | 88.8 | 0.1 | 5.4 | 94.6 |
| Years before pressure | 10 | 12.5 | 87.5 | 0 | 5.5 | 94.5 |
| Years before pressure | 5 | 11.6 | 88.4 | 0 | 3.3 | 96.7 |
| Years before pressure | 2 | 12.4 | 87.5 | 0.1 | 5.6 | 94.4 |
| Years between monitoring | 1 | 13.9 | 85.9 | 0.2 | 8.1 | 91.9 |
| Years between monitoring | 2 | 14.3 | 85.5 | 0.2 | 6.5 | 93.5 |
| Years between monitoring | 3 | 10.1 | 89.8 | 0.1 | 6.1 | 93.9 |
| Years between monitoring | 5 | 9.9 | 89.8 | 0.3 | 5.4 | 94.6 |
| Years between monitoring | 8 | 5.8 | 94.2 | 0 | 0.7 | 99.3 |
| Magnitude of observation error | 1 | 4.3 | 95.6 | 0.1 | 8 | 92 |
| Magnitude of observation error | 1.5 | 4.7 | 95 | 0.3 | 7.6 | 92.4 |
| Magnitude of observation error | 2 | 3.7 | 95.8 | 0.5 | 11.2 | 88.8 |
| Magnitude of observation error | 2.5 | 3.8 | 96.1 | 0.1 | 11 | 89 |