The effect of acclimation state and rapid cold-hardening (RCH) on the supercooling point, osmolality and water content of Belgica antarctica
| . | Summer-acclimatized larvae . | . | Cold-acclimated larvae . | |
|---|---|---|---|---|
| . | Control (4°C) . | RCH (−5°C/1 h) . | Control (4°C) . | |
| Supercooling point (°C) | −8.6±0.9a (12) | −8.8±0.4a (12) | −6.6±0.3b (30) | |
| Osmolality (mOsm kg−1) | 373±29a (4) | 390±4a (4) | 417±18a (7) | |
| Water content (g g−1 dry mass) | 2.56±0.11 (10) | — | 2.61±0.06 (12) | |
| . | Summer-acclimatized larvae . | . | Cold-acclimated larvae . | |
|---|---|---|---|---|
| . | Control (4°C) . | RCH (−5°C/1 h) . | Control (4°C) . | |
| Supercooling point (°C) | −8.6±0.9a (12) | −8.8±0.4a (12) | −6.6±0.3b (30) | |
| Osmolality (mOsm kg−1) | 373±29a (4) | 390±4a (4) | 417±18a (7) | |
| Water content (g g−1 dry mass) | 2.56±0.11 (10) | — | 2.61±0.06 (12) | |
Different letters indicate significant differences between treatments(ANOVA, Bonferroni-Dunn test, P<0.05). Values are means ±s.e.m., with sample size in parentheses.