Postmortem Health and Pollution Investigations on Harbor Seals (Phoca vitulina) of the Islands Helgoland and Sylt

Figure 2

Comparison of blood concentrations of selected organic contaminants with other studies. Means or medians (North Sea) and minimum and maximum concentrations. Number of investigated seals given in parentheses. Data for seals from the Elbe estuary taken from Kakuschke et al. [12], for seals from the North Sea from Weijs et al. [38].