Table 1. Summary for the Material and Contamination Status for All Sampling Stations in Each Basin (Bothnian Sea, BS, and Northern Baltic Proper, NBP), Number of Individuals Analyzed Per Station, Embryo Aberration Percentage in the Population (Based on 24–50 Individuals Analyzed, Data Are Available from ICES DOME Database; https://data.ices.dk)a.
| contaminants |
|||||||
|---|---|---|---|---|---|---|---|
| basin | station | contaminated/reference | embryo aberrations, % | number of individuals | LmPAH (μg/kg dwt) | HmPAH (μg/kg dwt) | PLI (index) |
| BS | G 10 | R | 6.4 | 3 | 25 | 34 | 0.52 |
| BS | G 11 | R | 5.4 | 2 | 26 | 56 | 0.97 |
| BS | N 4-1 | R | 3.2 | 2 | 19 | 32 | 0.78 |
| BS | US 5 | C | 6.9 | 1 | 80 | 314 | 2.01 |
| BS | 57 | C | 21.8 | 2 | 27 100 | 31 500 | 2.71 |
| BS | 58 | C | 11.7 | 2 | 34 100 | 43 100 | 2.16 |
| BS | SU 4 | C | 8.9 | 2 | 573 | 557 | 1.99 |
| BS | Norrsundet | C | 10.7 | 10 | 626 | 397 | 0.78 |
| BS | KUD 64 | R | 7.2 | 1 | 6 | 8 | 0.41 |
| NBP | Gr Utsjö | R | 11.2 | 2 | 58 | 99 | 0.76 |
| NBP | 6025 | C | 9.1 | 1 | 220 | 249 | 1.67 |
| NBP | 6022 | C | 8.1 | 2 | 135 | 218 | 1.28 |
| NBP | 6004 | R | 3.8 | 1 | 39 | 41 | 1.00 |
| NBP | 6019 | R | 5.3 | 1 | 5 | 8 | 0.35 |
| NBP | Bråviken 6 | C | 8.6 | 4 | 97 | 157 | 1.41 |
| NBP | Bråviken 8 | C | 10.2 | 4 | 201 | 310 | 1.64 |
| NBP | St. Anna 6 | C | 8.5 | 4 | 247 | 488 | 1.47 |
| NBP | Gryt 1 | R | 43.1 | 1 | 22 | 41 | 0.52 |
| NBP | Gryt 3 | R | 9.4 | 2 | 115 | 151 | 0.41 |
a
Based on the contaminant levels, the stations were classified as heavily polluted (Contaminated; C) and relatively unpolluted (Reference; R) as described in Note S1. The total concentrations of low- and high-molecular PAHs (LmPAHs and HmPAHs, respectively) and pollution level index (PLI) for the trace metals in the sediments were also calculated to provide integrated estimates.