TABLE 3.
Nonlinear curve fitting statistics for survivorship curves fitted to a power curve (#survivors – a × ageb) for recruiting populations at Parker Point, Thomson Bay, and Stark Bay between 2014 and 2018.
| Location | Curve fit | a | b | t | p | Pseudo R 2 | 95% lower | 95% upper |
|---|---|---|---|---|---|---|---|---|
| Parker Point | Power #survivors = a × ageb | 214.8 ± 28.1 | −0.939 ± 0.072 |
a = 7.635 b = 0.072 |
a = <.001 b = <.001 |
.9029 |
a = 156.9 b = −1.087 |
a = 272.7 b = −0.791 |
| Thomson Bay | Power #survivors = a × ageb | 197.9 ± 33.5 | −0.712 ± 0.077 |
a = 5.898 b = −9.293 |
a = <.001 b = <.001 |
.7617 |
a = 129.5 b = −0.869 |
a = 266.3 b = −0.556 |
| Stark Bay | Power #survivors = a × ageb | 72.4 ± 17.1 | −0.486 ± 0.094 |
a = 17.124 b = 0.094 |
a = <.001 b = <.001 |
.4763 |
a = 37.5 b = −0.676 |
a = 107.3 b = −0.295 |
Note: Pseudo‐R‐squared statistic calculated using the Nagelkerke (Cragg and Uhler) method.