Open Access
Table 5
The estimated LBSPR, selectivity parameters (Ls50 and Ls95), and the ratio of fishing to natural mortality rate (F/M). The estimated 95% confidence interval for each parameter is provided in brackets.
| Year | M | SPR (%) | Ls50 (cm) | Ls95 (cm) | F/M |
|---|---|---|---|---|---|
| 2018 | Mean | 31 (29-33) | 38.91 (38.21- 39.61) | 49.14 (48.13- 50.15) | 2.84 (2.50- 3.18) |
| Max | 41 (39-44) | 39.06 (38.38- 39.74) | 48.95 (47.99- 49.91) | 2.02 (1.76- 2.28) | |
| Min | 20 (18-22) | 38.73 (38.01- 39.45) | 49.36 (48.3- 50.42) | 4.47 (3.98- 4.96) | |
| 2019 | Mean | 27 (24-29) | 35.20 (34.67- 35.73) | 41.75 (40.91- 42.59) | 2.50 (2.18- 2.82) |
| Max | 36 (33-38) | 35.33 (34.8- 35.86) | 41.76 (40.93- 42.59) | 1.77 (1.52- 2.02) | |
| Min | 17 (16-18) | 35.06 (34.53- 35.59) | 41.73 (40.87- 42.59) | 3.96 (3.51- 4.41) | |
| 2020 | Mean | 16 (14-18) | 29.14 (28.38- 29.90) | 35.94 (34.65- 37.23) | 2.31 (2.01- 2.61) |
| Max | 23 (20-26) | 29.22 (28.45- 29.99) | 35.87 (34.6- 37.14) | 1.6 (1.37- 1.83) | |
| Min | 9 (8-10) | 29.06 (28.3- 29.82) | 36.02 (34.7- 37.34) | 3.75 (3.32- 4.18) | |
| 2021 | Mean | 17 (15-19) | 29.36 (28.53- 30.19) | 36.49 (35.09- 37.89) | 2.17 (1.88- 2.46) |
| Max | 25 (22-28) | 29.44 (28.61- 30.27) | 36.41 (35.04- 37.78) | 1.49 (1.26- 1.72) | |
| Min | 10 (9-11) | 29.27 (28.45- 30.09) | 36.58 (35.15- 38.01) | 3.54 (3.11- 3.97) | |
| 2022 | Mean | 8 (7-9) | 29.17 (28.68- 29.66) | 35.62 (34.84- 36.40) | 4.36 (3.95- 4.77) |
| Max | 11 (10-13) | 29.22 (28.73- 29.71) | 35.53 (34.76- 36.3) | 3.19 (2.87- 3.51) | |
| Min | 5 (4-5) | 29.13 (28.64- 29.62) | 35.72 (34.92- 36.52) | 6.7 (6.1- 7.3) |
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