| Region | Decreasing (nº of locations) | No trend (nº of locations) | Increasing (nº of locations) | TOTAL (nº of locations) | Decreasing_% | No trend_% | Increasing_% |
|---|---|---|---|---|---|---|---|
| Greater North Sea (227) | 43 | 180 | 4 | 227 | 18.94 | 79.3 | 1.76 |
| Baltic Sea (469) | 33 | 414 | 22 | 469 | 7.04 | 88.27 | 4.69 |
| IBI* and Celtic Seas (415) | 7 | 402 | 6 | 415 | 1.69 | 96.87 | 1.45 |
| Mediterranean Sea (99) | 2 | 97 | 99 | 2.02 | 97.98 | 0.0 | |
| Black Sea (14) | 14 | 14 | 0.0 | 100.0 | 0.0 | ||
| Oceanic NEA* and Macaronesia (18) | 18 | 18 | 0.0 | 100.0 | 0.0 |