Table 1. Parameter estimates used in simulation model for kereru. Means and standard deviations are based on the range of published values. Only one published estimate for juvenile survival is available.
| |
| |
|
Parameter |
Symbol |
Estimate |
Mean |
SD |
Species |
Source |
| |
|
Population size |
N |
|
|
|
|
|
|
Population growth rate |
λ |
|
|
|
|
|
|
Adult survival |
SA |
0.96 |
0.90 |
0.09 |
parea |
Powlesland et al. (1995) |
|
|
|
0.83 |
|
|
kereru |
Clout et al. (1995) |
|
Juvenile survival |
SJ |
0.87 |
... |
... |
parea |
Flux et al. (2001) |
|
Proportion of adults breeding |
B |
0.62 |
0.79 |
0.25 |
kereru |
Powlesland et al. (2003) |
|
|
|
0.91 |
|
|
parea |
Powlesland et al. (1995) |
|
|
|
1.00 |
|
|
parea |
Powlesland et al. (1995) |
|
|
|
0.44 |
|
|
parea |
Powlesland et al. (1997) |
|
|
|
1.00 |
|
|
parea |
Flux et al. (2001) |
|
Nest success |
F |
0.63 |
0.67 |
0.10 |
kereru |
Pierce and Graham (1995) |
|
|
|
0.75 |
|
|
kereru |
Powlesland et al. (2003) |
|
|
|
0.64 |
|
|
parea |
Powlesland et al. (1995) |
|
|
|
0.65 |
|
|
parea |
Powlesland et al. (1995) |
|
|
|
0.54 |
|
|
parea |
Powlesland et al. (1995) |
|
|
|
0.82 |
|
|
parea |
Flux et al. (2001) |
|
| |
|