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Figure 4. Total mercury concentration on dry weight (Hg, mg/kg dw) in crab (Cancer pagurus) caught at the wreck of U-864 (Ved vraket), four nautical miles north of the wreck (4 nm N) and four nautical miles south of the wreck (4 nm S) in 2020. Results are given for claw meat and hepatopancreas of raw crab. Boxplots show medians, quartiles, minimum and maximum values. No significant differences were found (Kruskal-Wallis ANOVA).
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