Station number | Average concentrations (µg/g) dry weight | |||
Winter | Spring | Summer | Autumn | |
1 | 5.70 | 4.30 | 2.81 | 4.20 |
2 | 4.40 | 3.20 | 1.60 | 2.8 |
3 | 0.44 | 0.18 | 0.09 | 0.20 |