Species | N | δ13C (‰) | δ15N (‰) | Trophic position | δ15N [Glx] (‰) | δ15N [Phe] (‰) |
---|---|---|---|---|---|---|
Gentoo penguin | 5 | − 17.1 ± 0.4a | 14.7 ± 0.1a | 2.9 ± 0.2a | 22.8 ± 1.0a,b | 10.1 ± 1.0a |
Magellanic penguin | 5 | − 17.5 ± 0.4a | 14.3 ± 0.6a | 3.3 ± 0.3a,b | 23.7 ± 1.8a | 9.0 ± 0.8a |
Rockhopper penguin | 5 | − 18.1 ± 0.6a | 13.6 ± 0.2a,b | 3.2 ± 0.7a,b | 22.5 ± 1.5a,b | 8.0 ± 1.5a,b |
Thin-billed prion (all) | 11 | − 20.8 ± 3.1b | 11.9 ± 4.1b | 3.5 ± 0.4b,c | 18.6 ± 4.6b | 2.2 ± 2.7c |
Wilson’s storm-petrel | 4 | − 17.4 ± 0.6a | 16.1 ± 1.2a | 4.0 ± 0.1c | 24.4 ± 1.1a | 5.3 ± 1.0b |
ANOVA | F25,4 = 7.2, P < 0.001 | F25,4 = 4.1, P = 0.011 | F25,4 = 8.8, P < 0.001 | F25,4 = 4.3, P < 0.001 | F25,4 = 21.4, P < 0.001 |