Table 2.
EPA + DHA and persistent organic pollutant (POP) concentrations in the top five fish species in Ontario and Manitoba First Nations.
| Fish Species | Ontario | Manitoba | ||||||
|---|---|---|---|---|---|---|---|---|
| Fish Intake | EPA + DHA | DDE | PCBs | Fish Intake | EPA + DHA | DDE | PCBs | |
| g/day | g/100 g | ng/g | ng/g | g/day | g/100 g | ng/g | ng/g | |
| walleye | 5.6 (13.5) | 0.31 (0.05) | 2.69 (3.36) | 14.75 (19.44) | 3.7 (9.1) | 0.31 (0.05) | - | - |
| whitefish | 2.5 (9.6) | 1.24 (0.56) | 5.89 (7.21) | 14.56 (24.27) | 2.0 (8.1) | 1.24 (0.56) | 1.28 (0.79) | 0.21 (0.26) |
| lake trout | 1.1 (5.6) | 0.73 (0.14) | 26.65 (24.32) | 63.69 (83.54) | 1.4 (5.9) | 0.73 (0.14) | 11.73 (5.76) | 9.24 (2.58) |
| northern pike | 1.7 (7.5) | 0.27 (0.07) | 1.85 (1.94) | 8.98 (11.65) | 1.0 (4.0) | 0.27 (0.07) | 0.15 (0.31) | 0.03 (0.10) |
| yellow perch | 0.5 (2.8) | 0.25 (0.04) | 3.11 (4.18) | 33.18 (62.47) | 0.2 (1.7) | 0.25 (0.04) | - | - |
| subtotal | 11.5 (28.0) | 0.56 (0.42) | 6.28 (11.82) | 22.01 (40.49) | 8.4 (18.4) | 0.56 (0.42) | 1.06 (2.92) | 0.59 (2.21) |
| total | 14.7 (34.1) | 0.67 (0.48) | 10.08 (19.62) | 35.21 (68.06) | 10.7 (24.5) | 0.53 (0.28) | 2.05 (4.37) | 2.00 (5.40) |
Values are mean (SD); “-”: not detected; EPA: eicosapentaenoic acid, DHA: docosahexaenoic acid, DDE: dichlorodiphenyldichloroethylene; PCBs: polychlorinated biphenyls; unweighted estimates of fish intake.