Table 3. Apparent movement.
| Lake1 | |||
| Habitat type | N Trial | False movement (m * pos -1 ) | |
| SubmDense (SD) | 4/15 | 0.60 | (0.79) |
| SubmAbove (SA) | 15/15 | 0.78 | (2.33) |
| OpenShallow (OS) | 45/45 | 0.27 | (0.53) |
| OpenDeep (OD) | 50/50 | 0.09 | (0.24) |
| EmerLoose (EL) | 14/15 | 3.49 | (7.86) |
| EmerDense (ED) | 1/15 | 4.45 | - |
| Lake2 | |||
| Habitat type | N Trial | False movement (m * pos -1 ) | |
| OpenShallow (OS) | 38/38 | 0.04 | (0.07) |
| OpenDeep (OD) | 57/57 | 0.02 | (0.03) |
| EmerLoose (EL) | 14/14 | 0.28 | (0.31) |
| EmerDense (ED) | 5/14 | 0.67 | (0.33) |
Apparent movement per obtained position calculated as average of trial means grouped by habitat category. Standard deviation of trial means are given in brackets. NTrial indicates number of trials yielding positions / number of trials in each habitat type.