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Table 4
Mean and standard deviation in percentage of size classes as well as p-value from Wilcoxon rank-sum test. Comparison is done solely using DFAD data between trips where only DFAD data exist and trips where both SIF and DFAD data exist. *Vessel A is not included for monkfish as the vessel do not sea-pack monkfish.
| Species | Size class | p-value | Mean percent ± SD [%] only DFAD | Mean percent ± SD [%] SIF and DFAD |
|---|---|---|---|---|
| Cod | 1 | 0.875 | 22.7 ± 28.8 | 15.3 ± 14.1 |
| 2 | 0.276 | 26.3 ± 17.6 | 25.6 ± 12.3 | |
| 3 | 0.002 | 35.8 ± 17.0 | 29.9 ± 15.1 | |
| 4 | 0.006 | 28.1 ± 19.5 | 22.1 ± 11.5 | |
| 5 | 0.167 | 20.1 ± 27.6 | 12.6 ± 12.8 | |
| Hake | 1 | 0.004 | 36.6 ± 25.9 | 38.2 ± 17.8 |
| 2 | 0.999 | 54.4 ± 25.6 | 54.2 ± 20.1 | |
| 3 | 0.004 | 34.2 ± 34.2 | 14.4 ± 14.1 | |
| 4 | 0.080 | 33.4 ± 34.5 | 10.1 ± 11.7 | |
| Plaice | 1 | 0.007 | 32.1 ± 29.1 | 24.0 ± 25.4 |
| 2 | 0.520 | 29.1 ± 16.2 | 28.6 ± 12.6 | |
| 3 | 0.178 | 29.1 ± 18.0 | 30.4 ± 13.2 | |
| 4 | 0.821 | 31.6 ± 26.7 | 27.8 ± 17.5 | |
| Haddock | 1 | 0.006 | 43.8 ± 24.2 | 35.7 ± 20.9 |
| 2 | 0.006 | 52.9 ± 24.5 | 51.4 ± 18.4 | |
| 3 | 0.082 | 30.7 ± 27.4 | 26.3 ± 15.7 | |
| 4 | 0.707 | 34.6 ± 40.0 | 9.0 ± 6.3 | |
| Saithe | 1 | 0.056 | 30.9 ± 31.4 | 23.7 ± 28.6 |
| 2 | < 0.001 | 35.6 ± 33.9 | 16.6 ± 17.1 | |
| 3 | 0.234 | 40.6 ± 27.7 | 42.0 ± 22.7 | |
| 4 | 0.049 | 55.8 ± 27.5 | 46.8 ± 27.3 | |
| Lemon sole | 1 | 0.072 | 24.1 ± 23.8 | 16.3 ± 12.6 |
| 2 | 0.595 | 60.7 ± 16.4 | 60.3 ± 14.2 | |
| 3 | 0.038 | 34.5 ± 22.4 | 28.4 ± 13.9 | |
| Monkfish* | 1 | 0.138 | 23.1 ± 25.8 | 15.0 ± 10.9 |
| 2 | 0.186 | 25.0 ± 14.4 | 21.9 ± 10.0 | |
| 3 | 0.807 | 37.2 ± 15.7 | 36.9 ± 11.6 | |
| 4 | 0.004 | 34.9 ± 22.6 | 27.0 ± 14.1 | |
| 5 | < 0.001 | 27.1 ± 33.7 | 10.1 ± 14.5 | |
| Turbot | 1 | 0.820 | 36.2 ± 32.6 | 35.1 ± 30.9 |
| 2 | 0.083 | 34.6 ± 27.8 | 27.5 ± 20.4 | |
| 3 | 0.401 | 51.9 ± 24.9 | 48.5 ± 22.3 | |
| 4 | 0.013 | 30.8 ± 26.5 | 20.9 ± 15.6 | |
| Witch flounder | 1 | 0.889 | 30.8 ± 24.5 | 28.2 ± 18.3 |
| 2 | 0.012 | 67.4 ± 24.4 | 59.9 ± 19.6 | |
| 3 | 0.331 | 35.9 ± 27.3 | 28.7 ± 15.7 | |
| Wolffish | 1 | 0.940 | 52.7 ± 24.1 | 52.2 ± 22.6 |
| 2 | < 0.001 | 70.0 ± 28.7 | 58.4 ± 26.6 | |
| 3 | < 0.001 | 50.6 ± 44.9 | 6.3 ± 6.3 | |
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