Table 3. Composition of litter (%) in different locations on the seafloor of European waters.
| Location | Derelict fishing gear | Glass | Metal | Plastic | Other items | Clinker |
| ATLANTIC | ||||||
| Continental slopes | ||||||
| North Faroe-Shetland Channel | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| North-East Faroe-Shetland Channel | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Continental shelf | ||||||
| Norwegian Margin | 80.0 | 0.0 | 0.0 | 20.0 | 0.0 | 0.0 |
| Submarine canyons | ||||||
| Dangeard & Explorer Canyons | 72.2 | 0.0 | 0.0 | 16.7 | 11.1 | 0.0 |
| Nazaré Canyon | 37.1 | 0.0 | 17.1 | 25.7 | 20.0 | 0.0 |
| Lisbon Canyon | 9.2 | 0.0 | 1.5 | 86.2 | 3.1 | 0.0 |
| Setúbal Canyon | 8.7 | 4.3 | 4.3 | 30.4 | 52.2 | 0.0 |
| Cascais Canyon | 9.1 | 0.0 | 0.0 | 54.5 | 36.4 | 0.0 |
| Guilvinec Canyon | 43.8 | 0.0 | 0.0 | 43.8 | 6.3 | 6.3 |
| Whittard Canyon | 28.6 | 7.1 | 14.3 | 42.9 | 0.0 | 7.1 |
| Seamounts, banks and mounds | ||||||
| Anton Dohrn Seamount | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 |
| Condor Seamount | 85.5 | 14.5 | 0.0 | 0.0 | 0.0 | 0.0 |
| Josephine Seamount | 42.9 | 28.6 | 14.3 | 0.0 | 14.3 | 0.0 |
| Hatton Bank | 87.5 | 0.0 | 12.5 | 0.0 | 0.0 | 0.0 |
| Rockall Bank | 33.3 | 0.0 | 66.7 | 0.0 | 0.0 | 0.0 |
| Rosemary Bank | 66.7 | 0.0 | 33.3 | 0.0 | 0.0 | 0.0 |
| Pen Duick Alpha/Beta Mound | 75.0 | 0.0 | 25.0 | 0.0 | 0.0 | 0.0 |
| Darwin Mounds | 10.0 | 0.0 | 15.0 | 60.0 | 15.0 | 0.0 |
| Ocean ridges | ||||||
| North Charlie Gibbs Fracture Zone | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 |
| South Charlie Gibbs Fracture Zone | 0.0 | 28.6 | 28.6 | 28.6 | 14.3 | 0.0 |
| Wyville-Thomson Ridge | 85.7 | 0.0 | 14.3 | 0.0 | 0.0 | 0.0 |
| MEDITERANEAN | ||||||
| Continental slopes | ||||||
| Calabrian Slope (Central Med.) | 13.2 | 0.0 | 8.4 | 36.2 | 26.6 | 15.5 |
| Western Mediterranean Slope | 21.6 | 0.6 | 0.2 | 12.1 | 0.6 | 64.9 |
| Crete-Rhodes Ridge (E. Med.) | 1.6 | 9.3 | 6.0 | 17.0 | 20.5 | 45.5 |
| Blanes slope (NW Med.) | 2.3 | 7.9 | 8.4 | 12.6 | 11.6 | 57.1 |
| Continental shelf | ||||||
| Gulf of Lion (NW Med.) | 0.0 | 0.0 | 0.0 | 88.9 | 11.1 | 0.0 |
| Submarine canyons | ||||||
| Blanes Canyon (NW Med.) | 3 (0.2) | 3 (4.9) | 6 (2.2) | 78 (76.3) | 9 (1.7) | 0 (14.7) |
| Gulf of Lion Canyons (NW Med.) | 0.0 | 0.0 | 0.0 | 67.3 | 32.7 | 0.0 |
| Deep basins | ||||||
| Algero-Balearic Basin (W. Med.) | 16.5 | 0.8 | 29.6 | 14.0 | 2.1 | 37.0 |
| Crete-Rhodes Ridge (E. Med.) | 0.0 | 9.7 | 25.0 | 19.5 | 7.2 | 38.5 |
| Calabrian Basin (Central Med.) | 0.5 | 6.7 | 0.7 | 5.9 | 36.1 | 50.1 |
| ARCTIC | ||||||
| Continental slope | ||||||
| HAUSGARTEN, station IV | 2.5 | 2.5 | 2.5 | 60 | 32.5 | 0 |
*Numbers in parentheses refer to trawl surveys.