| δ 15N ± CI | δ 13C ± CI | ||
---|---|---|---|---|
 | Summer (n = 10) | Autumn (n = 8) | Summer (n = 10) | Autumn (n = 8) |
Muscle | 13.3 ± 0.1 | 14.5 ± 1.4 | -29.6 ± 0.0 | -27.1 ± 1.6 |
Intestine | 12.2 ± 0.1 | 14.3 ± 0.8 | -30.0 ± 0.1 | -27.6 ± 2.1 |
Liver | 12.5 ± 0.2 | 14.4 ± 0.9 | -30.8 ± 0.1 | -29.5 ± 2.6 |
P. laevis | 11.4 ± 0.1 | 13.5 ± 1.2 | -29.5 ± 0.1 | -27.9 ± 1.7 |
Eustrongylides sp. | – | 16.3 ± 0.7 | – | -26.7 ± 0.7 |