Table 2
Monthly Catch Per Unit Effort and Detection Probability and water quality parameters for each surveying method. Trapping CPUE is the total number of crayfish caught in traps, divided by the total number of traps deployed. Both RUV and BRUV CPUE is the sum of MaxN for all B/RUV deployments made during a survey (maximum number of individuals on screen throughout a deployment) divided by the total number of camera deployments for each gear.
| Month / Year | Trapping detection probability | Trapping CPUE | BRUV detection probability | BRUV CPUE | RUV detection probability | RUV CPUE | No. traps | Survey date average air temp (°C) |
|---|---|---|---|---|---|---|---|---|
| Oct-22 | 0.50 | 0.96 | 22 | 16.0 | ||||
| Nov-22 | 0.31 | 0.43 | 35 | 6.1 | ||||
| Dec-22 | 0.20 | 0.29 | 35 | 6.1 | ||||
| Jan-23 | 0.00 | 0.00 | 49 | 7.1 | ||||
| Feb-23 | 0.61 | 1.08 | 1.00 | 1.00 | 49 | 4.0 | ||
| Mar-23 | 0.80 | 3.10 | 49 | 8.6 | ||||
| Apr-23 | 0.27 | 0.31 | 0.00 | 0.00 | 0.00 | 0.00 | 49 | 14.0 |
| May-23 | 0.41 | 0.55 | 0.50 | 2.00 | 1.00 | 1.50 | 49 | 19.0 |
| Jun-23 | 0.47 | 1.10 | 0.50 | 1.50 | 1.00 | 1.00 | 49 | 17.0 |
| Jul-23 | 0.86 | 2.53 | 1.00 | 1.00 | 0.00 | 0.00 | 49 | 17.0 |
| Aug-23 | 0.39 | 1.16 | 0.00 | 0.00 | 0.00 | 0.00 | 49 | 16.0 |
| Sep-23 | 0.65 | 1.39 | 0.50 | 0.50 | 0.50 | 1.00 | 49 | 13.0 |
| Oct-23 | 0.69 | 1.90 | 49 | 12.0 | ||||
| Jan-24 | 0.02 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 49 | 0.7 |
| Feb-24 | 0.61 | 1.31 | 1.00 | 1.50 | 1.00 | 1.00 | 49 | 10.0 |
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