Table 2.
Mean ± SD and range provided for each dive variable in each dive phase cluster
| Descent 1 | Descent 2 | Descent 3 | Ascent 1 | Ascent 2 | Ascent 3 | |
|---|---|---|---|---|---|---|
| Dive maximum | 452.7 ± 199.0 | 393.0 ± 139.7 | 494.6 ± 246.9 | 372.3 ± 113.7b | 584.1 ± 200.5a | 277.6 ± 67.28c |
| depth (m) | 202.1–1190.2 | 208.1–828.4 | 204.1–1081.9 | 205.8–751.8 | 204.1–1190.2 | 202.1–482.5 |
| Dive minimum | 16.60 ± 3.40 | 17.43 ± 2.58 | 16.01 ± 3.84 | 17.95 ± 1.90b | 14.36 ± 3.54c | 19.32 ± 1.22a |
| temperature (°C) | 6.79–21.87 | 9.48–21.20 | 7.75–21.37 | 10.89–21.37 | 6.79–20.70 | 14.78–21.87 |
| Mean descent | 1.00 ± 0.68a | 0.71 ± 0.41b | 0.55 ± 0.39c | 0.75 ± 0.55b | 1.19 ± 0.59a | 0.43 ± 0.38c |
| vertical velocity (m/s) | 0.045–2.898 | 0.043–1.754 | 0.006–1.613 | 0.022–2.624 | 0.006–2.898 | 0.042–2.164 |
| Mean ascent | 0.31 ± 0.18 | 0.26 ± 0.16 | 0.30 ± 0.17 | 0.26 ± 0.14b | 0.39 ± 0.16a | 0.13 ± 0.10c |
| vertical velocity (m/s) | 0.003–0.941 | 0.012–0.850 | 0.015–0.980 | 0.024–0.980 | 0.009–0.941 | 0.003–0.489 |
| Dive minimum | 3.94 ± 0.44 | 4.04 ± 0.38 | 3.74 ± 0.48 | 4.10 ± 0.33b | 3.67 ± 0.43c | 4.22 ± 0.26a |
| dissolved oxygen (mL/L) | 2.83–4.66 | 2.98–4.63 | 2.92–4.49 | 2.83–4.62 | 2.85–4.52 | 3.19–4.66 |
| Duration (min) |
5.84 ± 3.01e
1.97–22.02 |
6.92 ± 2.77d
3.98–18.05 |
10.70 ± 5.83c
3.98–32.00 |
12.62 ± 6.87b
2–56.1 |
17.30 ± 6.97a
6–51.95 |
12.83 ± 6.22b
4–36.02 |
Differing lowercase letters indicate significant differences between clusters determined from general linear hypotheses post hoc test with Tukey's contrasts. First five rows compare descent and ascent clusters independently, while row six (Duration) compares all six clusters.