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Table 6
ANCOVA output for the effect of year, vessel and size class as well as remaining effect of log-transformed landings from DFAD and residuals.
| Species | Term | df | Sum of squares | F-value | p-value |
|---|---|---|---|---|---|
| Cod | log(DFAD) | 1 | 65411.5 | 1.701 * 105 | <0.001 |
| Size class | 5 | 10.6 | 5.490 | <0.001 | |
| Vessel | 4 | 35.5 | 23.083 | <0.001 | |
| Year | 1 | 2.1 | 5.441 | 0.019 | |
| Residuals | 1902 | 731.5 | |||
| Hake | log(DFAD) | 1 | 26669.1 | 91823.644 | <0.001 |
| Size class | 5 | 2.3 | 1.591 | <0.001 | |
| Vessel | 4 | 12.9 | 11.144 | <0.001 | |
| Year | 1 | 1.8 | 6.207 | <0.001 | |
| Residuals | 777 | 225.7 | |||
| Plaice | log(DFAD) | 1 | 41100.6 | 86700.459 | <0.001 |
| Size class | 5 | 18.6 | 7.831 | <0.001 | |
| Vessel | 4 | 14.9 | 7.874 | <0.001 | |
| Year | 1 | 1.7 | 3.581 | 0.059 | |
| Residuals | 1019 | 483.1 | |||
| Haddock | log(DFAD) | 1 | 20513.9 | 64726.260 | <0.001 |
| Size class | 5 | 1.5 | 4.579 | <0.001 | |
| Vessel | 4 | 0.4 | 1.398 | 0.233 | |
| Year | 1 | 0.1 | 0.258 | 0.611 | |
| Residuals | 863 | 273.5 | |||
| Saithe | log(DFAD) | 1 | 28087.3 | 117068.100 | <0.001 |
| Size class | 5 | 92.5 | 0.771 | <0.001 | |
| Vessel | 4 | 15.4 | 16.000 | <0.001 | |
| Year | 1 | 4.8 | 20.000 | 0.571 | |
| Residuals | 736 | 176.6 | |||
| Lemon sole | log(DFAD) | 1 | 20182.6 | 183262.301 | <0.001 |
| Size class | 4 | 3.7 | 8.292 | <0.001 | |
| Vessel | 4 | 2.1 | 4.694 | <0.001 | |
| Year | 1 | 1.5 | 13.782 | <0.001 | |
| Residuals | 905 | 99.7 | |||
| Monkfish | log(DFAD) | 1 | 29525.7 | 145400.713 | <0.001 |
| Size class | 6 | 64.4 | 52.859 | <0.001 | |
| Vessel | 4 | 70.3 | 86.536 | <0.001 | |
| Year | 1 | 0.1 | 0.356 | 0.551 | |
| Residuals | 1208 | 245.3 | |||
| Turbot | log(DFAD) | 1 | 10539.5 | 108462.110 | <0.001 |
| Size class | 5 | 3.8 | 7.881 | <0.001 | |
| Vessel | 4 | 0.8 | 2.145 | 0.073 | |
| Year | 1 | 0.1 | 0.082 | 0.774 | |
| Residuals | 930 | 90.4 | |||
| Witch flounder | log(DFAD) | 1 | 12335.2 | 110089.201 | <0.001 |
| Size class | 4 | 1.0 | 2.213 | 0.066 | |
| Vessel | 4 | 2.2 | 4.965 | <0.001 | |
| Year | 1 | 0.1 | 0.718 | 0.397 | |
| Residuals | 626 | 70.1 | |||
| Wolffish | log(DFAD) | 1 | 10820.2 | 93123.94261 | <0.001 |
| Size class | 4 | 2.3 | 4.852 | <0.001 | |
| Vessel | 4 | 1.9 | 4.182 | 0.002 | |
| Year | 1 | 0.2 | 1.464 | 0.228 | |
| Residuals | 595 | 69.1 | |||
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