Fig. 5.

Concentrations of Barium (A), Cadmium (B), and Lead (C) by collection depth as in Fig. 2. N/A = not analyzed in Aleutian study (Burger et al., 2014). Error bars are standard errors; **, †, †† indicate statistics as in Fig. 2 except for barium (panel A) where ** indicates P = 0.05.