Table 3 Comparison of seasonal and long-term variations in metal burdens (given as ng g−1 wet weight and dry weight) of blue mussels (Mytilus edulis Complex) from the Baltic Sea sampling site Darsser Ort
Darsser Ort | Season of annual minimum conc. | Season of annual maximum conc. | Annual range (ng g−1) ww/dw | Range over 17 years (ng g−1) ww/dw |
|---|---|---|---|---|
Cobalt | Summer | Winter | 28.0/412 | 31.7/465 |
Copper | Summer (2013 winter) | Winter (2013 summer) | 471/1643 | 364/3883 |
Cadmium | Summer | Winter | 37.3/1226 | 46.4/1516 |
Nickel | Summer | Winter | 67.8/1948 | 86.8/2329 |
Lead | Summer (2013 winter) | Winter (2013 summer) | 44.0/1064 | 165/2807 |
Mercury | Winter (2017 summer) | Summer (2017 winter) | 1.00/46.0 | 2.32/69.3 |
Methylmercury | Winter (2017 summer) | Summer (2017 winter) | 0.37/13.2 | 0.93/27.5 |
Arsenic | Summer (2013 winter) | Winter (2013 summer) | 1108/10,210 | 718/8938 |
Selenium | Summer (2013 winter) | Winter (2013 summer) | 374/1621 | 238/2449 |
Tributyltin | Summer (2013 winter) | Winter (2013 summer) | 0.66/7.80 | 1.47/28.6 |