Table 2 Results of the drifter experiment
Trial no | Deployment period | Duration of deployment [h] | Distance covered [km] | Area searched [km2] | Travel speed [m min−1] | Maximum distance from the shoreline [km] | Number of fish detected | |
|---|---|---|---|---|---|---|---|---|
|  |  |  |  |  | Mean ± s.d. | Max |  |  |
#1 | Jan 26–29 | 67.5 h | 33.1 | 19.9 | 8.2 ± 5.8 | 25.5 | 6.6 | 4 |
#2 | Feb 1–2 | 5.9 h | 0.5 | 0.3 | 1.4 ± 1.4 | 5.1 | 0.2 | 0 |
#3 | Feb 2–5 | 48.5 h | 18.5 | 11.1 | 6.3 ± 3.5 | 16.0 | 6.7 | 7 |
#4 | Feb 5–9 | 83.4 h | 33.0 | 19.8 | 6.6 ± 3.5 | 17.7 | 6.8 | 4 |
#5 | Feb 9–10 | 1.4 h | 0.4 | 0.2 | 3.8 ± 1.2 | 5.3 | 0.3 | 1 |
#6 | Feb 12–15 | 97.1 h | 37.9 | 22.7 | 6.5 ± 4.1 | 22.4 | 8.3 | 3 |
#7 | Mar 25–26 | 3.4 h | 1.4 | 0.8 | 1.2 ± 1.6 | 6.0 | 0.6 | 1 |
#8a | Mar 26–28 | 49.9 h | 27.6 | 16.6 | 9.2 ± 4.3 | 21.4 | 5.3 | 0 |
#8b | Mar 28–31 | 68.5 h |  > 22.9 |  > 13.7 | 9.7 ± 7.9 | 26.4 | 4.8 | 0 |