Environmental factor | Factor level | Na | Survival period (h) | Swimming ratio (%) |
---|---|---|---|---|
Mean ± SD (Range) | Mean ± SD (Range) | |||
Temperature (± 0.1 °C) | 10 | 44b | 33.5 ± 28.0 (4–104)b | 72.6 ± 22.6 (12.5–96.2)b |
14 | 273 | 20.5 ± 17.7 (0–100) | 61.9 ± 24.5 (0–94.7) | |
18 | 280 | 17.3 ± 13.9 (0–72) | 61.4 ± 25.4 (0–93.8) | |
22 | 281 | 12.9 ± 9.0 (0–52) | 53.7 ± 26.3 (0–92.3) | |
26 | 232 | 9.5 ± 7.1 (0–32) | 43.9 ± 24.9 (0–85.7) | |
30 | 20 | 3.6 ± 2.2 (0–8) | 18.8 ± 10.3 (0–25.0) | |
pH (± 0.1) | 7.0 | 168 | 7.7 ± 7.0 (0–40) | 37.6 ± 22.9 (0–90.0) |
7.9 | 281 | 12.9 ± 9.0 (0–52) | 53.7 ± 26.3 (0–92.3) | |
Light regime (light:darkness) | 12:12 | 281 | 12.9 ± 8.7 (0–52) | 54.5 ± 23.5 (0–88. 9) |
0:24 | 268 | 12.8 ± 9.3 (0–48) | 57.1 ± 23.1 (0–90.0) | |
24:0 | 249 | 12.4 ± 7.5 (0–40) | 52.9 ± 24.7 (0–92.3) | |
Salinity(ppt)-Temperature (± 0.1 °C) | 27−18 | 134 | 12.9 ± 8.5 (0–36) | 57.7 ± 22.2 (0–88.9) |
36−18 | 128 | 15.8 ± 8.7 (4–40) | 62.6 ± 20.0 (12.5–90.0) | |
37−18 | 98 | 31.6 ± 19.1 (4–84) | 77.3 ± 21.2 (12.5–95.2) | |
38−18 | 122 | 26.1 ± 12.4 (4–56) | 76.5 ± 16.6 (12.5–92.9) | |
47−18 | 155 | 13.4 ± 9.5 (0–44) | 55.9 ± 28.2 (0–90.9) | |
27−22 | 128 | 13.3 ± 14.1 (0–76) | 48.5 ± 33.3 (0–90.9) | |
36−22 | 112 | 13.4 ± 6.5 (4–48) | 61.0 ± 17.0 (12.5–91.7) | |
37−22 | 123 | 13.9 ± 7.0 (4–32) | 61.6 ± 20.0 (25.0–87.5) | |
38−22 | 103 | 13.7 ± 10.6 (4–44) | 51.9 ± 25.5 (25.0–90.9) | |
47−22 | 97 | 15.6 ± 13.8 (0–44) | 53.3 ± 31.5 (0–90.9) |