Fig. 2From: Fish biomarkers from a different perspective: evidence of adaptive strategy of Abramis brama (L.) to chemical stressActivity of enzymes determined in liver and brain of two populations of A. brama. Box and whiskers plots present median, interquartile ranges, minimum and maximum values. N = 14 (reference population) and N = 11 (exposed population). Asterisks annotate statistically significant difference between the populations, as determined by Mann–Whitney U test. Levels of significance were *p < 0.05 and ****p < 0.0001Back to article page