Table 2 Biometric variables of adult N. subnodosus scallops exposed to elevated temperatures (26 and 30 °C) during early development (spring) and advanced gonad maturation (summer) stages.
Variable | Spring | Summer | S | T | S × T | ||||
|---|---|---|---|---|---|---|---|---|---|
22 °C | 26 °C | 30 °C | 22 °C | 26 °C | 30 °C | p < 0.05 | p < 0.05 | p < 0.05 | |
Tissues wet weight (g) | 45.0 ± 2.9 | 42.8 ± 2.4 | 43.1 ± 3.8 | 48.7 ± 4.7 | 42.4 ± 2.6 | 48.5 ± 3.4 | NS | NS | NS |
Shell length (mm) | 79.5 ± 2.7 | 79.8 ± 2.3 | 78.4 ± 2.3 | 77.0 ± 2.1 | 73.0 ± 1.7 | 77.6 ± 2.1 | NS | NS | NS |
Shell height (mm) | 79.0 ± 2.2 | 76.6 ± 1.9 | 78.5 ± 1.9 | 77.4 ± 2.3 | 75.6 ± 1.4 | 78.8 ± 2.0 | NS | NS | NS |
Condition Index (CI, %) | 68.3 ± 6.8 | 66.5 ± 2.3 | 59.3 ± 2.5 | 67.4 ± 2.6 | 66.5 ± 2.3 | 65.2 ± 2.1 | NS | NS | NS |
Adductor Muscle Index (AMI, %) | 38.1 ± 1.0 | 36.9 ± 9.0 | 39.7 ± 0.8 | 36.2 ± 0.7 | 37.1 ± 0.6 | 38.6 ± 0.8 | NS | p < 0.01 | NS |
Gonadosomatic Index (GSI, %) | 6.0 ± 0.6 | 8.0 ± 1.2 | 8.1 ± 1.0 | 10.3 ± 1.1 | 11.1 ± 1.5 | 12.1 ± 2.0 | p < 0.05 | NS | NS |
Gonadal Mass Index (GMI) | 2.5 ± 0.32 | 3.3 ± 0.35 | 3.3 ± 0.039 | 4.4 ± 0.41 | 4.3 ± 0.55 | 3.33 ± 0.78 | p < 0.05 | NS | NS |
