Table 4 Proportion of micronuclei (MN) and binuclei (BN) in ‰ and EROD activity  ±  standard deviation (SD) in pmol/min/mg for caged (CF) and field-captured (FF) fish at the respective time points
|  | Sampling site | Species | Time point | MN (‰) | BN (‰) | EROD activity  ±  SD (pmol/min/mg) | n |
|---|---|---|---|---|---|---|---|
CF monitoring | HC1 | O. mykiss | Apr 16 | 0.194 | 0.361 | 1.140 ± 0.926 | 20 |
HC2 | O. mykiss | Apr 16 | 0.500 | 0 | 0.687 ± 0.397a | 19 | |
N1 | O. mykiss | Apr 16 | 0.429 | 0 | 0.481 ± 0.313a | 15 | |
N2 | O. mykiss | Apr 16 | 0.472 | 0 | 0.246 ± 0.149b | 18 | |
N3 | O. mykiss | Apr 16 | 0.361 | 0.083 | 0.531 ± 0.333a | 17 | |
N6 | O. mykiss | Apr 16 | 0.500 | 0.107 | 0.424 ± 0.153ab | 14 | |
FF monitoring | N1 | S. trutta f. fario | Jun 16 | 0.278c | 0 | 1.512 ± 0.336a | 10 |
N1 | S. trutta f. fario | Sep 16 | 0 | 0 | 0.578 ± 0.270b | 9 | |
N2 | S. trutta f. fario | Sep 16 | 0 | 0.444c | 0.457 ± 0.360b | 9 | |
N2 | L. cephalus | Jun 16 | 0.100 | 0 | 0.624 ± 0.456 | 10 | |
N6 | L. cephalus | Jun 16 | 0.222 | 0.056 | 0.541 ± 0.219 | 9 | |
N6 | L. cephalus | Sep 16 | 0.167 | 0.083 | 0.625 ± 0.326 | 10 | |
N1 | B. barbatula | Jun 16 | 0.111 | 0 | 0.097 ± 0.095 | 10 | |
N1 | B. barbatula | Sep 16 | 0.100 | 0 | 0.132 ± 0.051 | 9 | |
N2 | B. barbatula | Jun 16 | 0 | 0 | 0.108 ± 0.179 | 10 | |
N2 | B. barbatula | Sep 16 | 0.150 | 0.050 | 0.111 ± 0.068 | 10 | |
N3 | B. barbatula | Jun 16 | 0 | 0.050 | 0.199 ± 0.161 | 10 | |
N3 | B. barbatula | Sep 16 | 0 | 0.100 | 0.207 ± 0.099 | 10 | |
N6 | B. barbatula | Jun 16 | 0.250 | 0 | 0.147 ± 0.180 | 9 | |
N6 | B. barbatula | Sep 16 | 0.278 | 0 | 0.149 ± 0.118 | 9 |