Table 1.
ROV video transects location, length and water depth.
| Location | Track | Coordinates | Depth range min - max (m) | Total length (m) | Analyzed length (m) | Litter items (n) | Litter abundance (items/10 m) | Litter size | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Start | End | |||||||||||||
| Latitude | Longitude | Latitude | Longitude | S | M | L | ||||||||
| SGC | Dive-05 | 38°03′26.3″N | 15°37′31.9“E | 38°03′08.9“N | 15°37′50.0“E | 478 | 518 | 1051 | 924 | 253 | 2.7 | 139 | 92 | 22 |
| SGC | Dive-06 | 38°03′32.6″N | 15°38′31.4″E | 38°03′50.7″N | 15°38′17.5″E | 243 | 276 | 818 | 784 | 192 | 2.5 | 106 | 64 | 22 |
| SAC | Dive-08 | 38°04′37.8″N | 15°37′24.1″E | 38°04′15.3″N | 15°37′38.9″E | 275 | 314 | 1215 | 1161 | 141 | 1.2 | 95 | 36 | 10 |
| SAC | Dive-10 | 38°03′44.2″N | 15°37′13.2″E | 38°03′59.5″N | 15°37′07.1″E | 508 | 524 | 701 | 516 | 71 | 1.4 | 40 | 25 | 6 |
| TC-1 | Dive-11 | 38°07′16.5″N | 15°33′04.3″E | 38°07′26.8″N | 15°32′47.4″E | 518 | 581 | 1778 | 1742 | 2298 | 13.2 | 1116 | 1066 | 116 |
| TC-1 | Dive-18 | 38°07′30.6″N | 15°32′26.2″E | 38°07′43.9″N | 15°32′23.9″E | 384 | 424 | 723 | 670 | 651 | 9.7 | 388 | 242 | 21 |
| TC-2 | Dive-19 | 38°08′13.0″N | 15°32′50.4″E | 38°08′28.4″N | 15°32′51.9″E | 337 | 381 | 722 | 623 | 351 | 5.6 | 213 | 102 | 36 |
The length of the analysed video, the number of litter items counted, their abundance and size class are also reported. SGC – San Gregorio channel; SAC – Sant’Agata channel; TC-1 – Tremestieri channel 1; TC-2 – Tremestieri channel 2. For litter size: S = small items <10 cm; M = medium items 10–50 cm; L = large items >50 cm.