Table 5
Parameter values obtained by refitting the B-H model including steepness (h) for Micropogonias megalops in NGC. Output values are shown for SS– R for LCA full 1995–2020 time series (26 yr) and for shorter time series lengths (15 to 25 yr). Value α the is number of recruits per spawner interpreted as the productivity parameter, β is a control parameter on the level of density-dependence, h is steepness parameter, σ is standard deviation and LL is loglikelihood function. Mean, minimum and maximum recruitment values (millions) for the species are also shown.
| SS-R Series | Length (years) | α | β | h | σ | LL | Mean | Min | Max |
|---|---|---|---|---|---|---|---|---|---|
| 1995–2020 | 26 | 194.07 | 5,450.57 | 0.29 | 0.20 | 4.91 | 57.76 | 11.73 | 107.92 |
| 1996–2020 | 25 | 195.07 | 5,332.03 | 0.28 | 0.20 | 4.23 | 59.37 | 11.69 | 108.06 |
| 1997–2020 | 24 | 197.30 | 5,181.05 | 0.27 | 0.21 | 3.61 | 60.89 | 11.61 | 108.33 |
| 1998–2020 | 23 | 198.36 | 5,200.03 | 0.27 | 0.21 | 3.00 | 61.76 | 11.55 | 108.38 |
| 1999–2020 | 22 | 202.13 | 5,419.45 | 0.27 | 0.21 | 3.10 | 62.01 | 11.30 | 108.24 |
| 2000–2020 | 21 | 207.69 | 5,690.34 | 0.27 | 0.21 | 2.76 | 63.12 | 11.07 | 108.64 |
| 2001–2020 | 20 | 214.93 | 5,916.84 | 0.26 | 0.22 | 2.30 | 64.99 | 10.85 | 109.33 |
| 2002–2020 | 19 | 225.67 | 6,318.08 | 0.26 | 0.22 | 1.90 | 67.09 | 10.56 | 110.28 |
| 2003–2020 | 18 | 241.20 | 6,946.68 | 0.26 | 0.22 | 1.44 | 70.21 | 18.24 | 111.68 |
| 2004–2020 | 17 | 277.85 | 8,504.52 | 0.26 | 0.23 | 1.22 | 73.15 | 18.44 | 114.25 |
| 2005–2020 | 16 | 377.13 | 12,881.90 | 0.25 | 0.22 | 1.45 | 75.95 | 16.83 | 118.60 |
| 2006–2020 | 15 | 1,407.82 | 58,704.48 | 0.25 | 0.20 | 2.53 | 79.61 | 35.27 | 128.27 |
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