Table 1 Summary of Scooter-Assisted Large Area Diver-based (SALAD) surveys conducted at Lizard Island during 2019–2022, with survey distance and survey area per survey year.
Year | No. of surveys (n) | Cumulative distance of survey paths (m) | Combined survey area (Ha) | Recorded no. of CoTS | Inferred no. of CoTS (CoTS + sets of scars) |
|---|---|---|---|---|---|
2019 | 36 | 40,744 | 19.72 | 34 | 91 |
2020 | 38 | 42,332 | 21.17 | 26 | 77 |
2021 | 22 | 33,096 | 16.54 | 52 | 111 |
2022 | 34 | 19,999 | 10.00 | 85 | 161 |
Total | 130 | 136,171 | 67.43 | 197 | 440 |