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.

From: Increasing densities of Pacific crown-of-thorns starfish (Acanthaster cf. solaris) at Lizard Island, northern Great Barrier Reef, resolved using a novel survey method

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