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Table 3
Mean intensity (I), Abundance (A) and Maximum number of black spots per fish (M) of the different geographic areas, eastern English Channel (EEC), Southern Bight of the North Sea (SBNS), eastern North Sea (ENS), central North Sea (CNS), and western North Sea (WNS) (mean ± SD). (–) No sampled individual.
| EEC |
SBNS |
ENS |
CNS |
WNS |
All areas |
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| I | A | M | I | A | M | I | A | M | I | A | M | I | A | M | I | A | M | ||
| 2019 | Whiting | 43.2 ± 57.4 | 23.8 ± 42.6 | 555 | 48.7 ± 81.2 | 13.4 ± 42.6 | 454 | 16.0 ± 22.1 | 3.2 ± 9.9 | 68 | 7.3 ± 8.5 | 1.1 ± 3.3 | 28 | 4.2 ± 2.9 | 0.6 ± 1.1 | 10 | 32.4 ± 30.2 | 8.7 ± 15.6 | 555 |
| Sprat | 1.0 ± 0.0 | 0.1 ± 0.0 | 1 | 1.0 ± 0.0 | 0.0 ± 0.0 | 1 | 1.7 ± 0.8 | 0.3 ± 0.8 | 3 | 1.0 ± 0.0 | 0.1 ± 0.0 | 1 | 2.0 ± 2.0 | 0.1 ± 0.4 | 3 | 1.4 ± 0.4 | 0.1 ± 0.1 | 3 | |
| Herring | 0.0 | 0.0 | 0 | 1.5 ± 0.7 | 0.2 ± 0.3 | 3 | 1.3 ± 0.5 | 0.1 ± 0.5 | 2 | 2.6 ± 1.8 | 0.5 ± 0.8 | 8 | 1.7 ± 1.3 | 0.1 ± 0.4 | 3 | 1.9 ± 0.8 | 0.2 ± 0.3 | 8 | |
| Pout | 114.4 ± 167.7 | 20.5 ± 71.0 | 608 | 10.3 ± 18.2 | 2.1 ± 8.1 | 74 | – | – | – | 27.8 ± 51.5 | 8.5 ± 28.6 | 105 | 22.0 ± 20.4 | 3.8 ± 8.5 | 45 | 47.0 ± 53.0 | 9.4 ± 23.7 | 608 | |
| Dab | 3.3 ± 4.5 | 0.3 ± 1.4 | 10 | 12.5 ± 21.0 | 0.6 ± 4.7 | 23 | 2.8 ± 1.4 | 0.55 ± 1.4 | 6 | 3.4 ± 3.4 | 0.4 ± 1.2 | 10 | 0.0 | 0.0 | 0 | 4.1 ± 2.5 | 0.4 ± 0.8 | 23 | |
| Flounder | 3.4 ± 2.8 | 1.6 ± 1.9 | 14 | 12.0 ± 7.9 | 5.1 ± 5.1 | 64 | 7.0 ± 4.0 | 4.1 ± 4.0 | 33 | 16.6 ± 26.3 | 12.2 ± 22.5 | 148 | 1.0 | 0.5 | 1 | 9.3 ± 5.3 | 4.8 ± 3.9 | 148 | |
| Plaice | 0.0 | 0.0 | 0 | 2.4 ± 1.9 | 0.5 ± 0.9 | 8 | 1.4 ± 0.6 | 0.4 ± 0.6 | 3 | 1.4 ± 0.5 | 0.2 ± 0.2 | 2 | 3.0 | 0.1 | 3 | 1.9 ± 0.7 | 0.2 ± 0.3 | 8 | |
| 2020 | Whiting | 27.9 ± 47.6 | 11.2 ± 30.1 | 229 | 25.3 ± 72.0 | 9.1 ± 43.1 | 180 | 69.6 ± 58.1 | 20.4 ± 58.1 | 339 | 181.2 ± 5.8 | 35.7 ± 2.6 | 1104 | 5.5 ± 5.0 | 0.3 ± 1.1 | 10 | 60.9 ± 35.2 | 16.7 ± 18.4 | 1104 |
| Pout | 3.0 ± 147.9 | 1.0 ± 87.0 | 7 | 42.0 ± 10.5 | 14.8 ± 6.2 | 306 | – | – | – | 55.8 ± 46.1 | 11.6 ± 21.0 | 257 | 7.8 ± 20.4 | 0.8 ± 6.5 | 25 | 32.0 ± 22.1 | 8.6 ± 11.4 | 306 | |
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