Table 4.
The five samples with highest cadmium concentration out of the entire dataset (1733 samples). Three were from the Shallow Lakes group and two were from the Potholes group, n = number of replicates.
Wetland description | Cd concentration in sample, μmol g−1 | Average for the same wetland, μmol g−1 |
---|---|---|
Shallow lake in Windom region, MN | 0.013 (1.46 mg kg−1) | 0.006 (0.67 mg kg−1), n = 5 |
Shallow lake in Red Lake region, MN | 0.013 (1.46 mg kg−1) | 0.006 (0.67 mg kg−1), n = 5 |
Shallow lake in Red Lake region, MN | 0.013 (1.46 mg kg−1) | 0.005 (0.56 mg kg−1), n = 8 |
Pothole in central ND | 0.012 (1.35 mg kg−1) | 0.005 (0.56 mg kg−1), n = 5 |
Pothole in northeast ND below the Pembina escarpment | 0.011(1.24 mg kg−1) | 0.005 (0.56 mg kg−1), n = 5 |