Appendix A. Average values for δ13C (±SE), δ15N (±SE) and molar ratio C:N (±SE) for each species by region., and for δ13C for each fatty acid, by species and study site.
TABLE A1. Average values for δ13 C (±SE), δ15 N (±SE) and molar ratio C:N (±SE) for each species by region.
| Species | McMurdo-Cape Armitage | Cape Evans – Razorback Island | ||||||
| N | δ15 N (±SE) | δ13 C (±SE) | C:N (±SE) | N | δ15 N (±SE) | δ13 C (±SE) | C:N (±SE) | |
| Clione antarctica (pteropod) | 7 | 4.90 (0.31) | -28.74 (0.28) | 8.80 (0.21) | 1 | 4.64 | -28.74 | 7.76 |
| Paramoera walkeri (amphipod) | 5 | 6.62 (0.12) | -24.48 (0.94) | 5.97 (0.46) | 4 | 5.94 (0.43) | -19.09 (2.39) | 5.91 (0.16) |
| Laternula elliptica (bivalve) | 8 | 6.63 (0.23) | -24.72 (0.17) | 4.24 (0.05) | 10 | 7.49 (0.31) | -23.87 (0.16) | 4.24 (0.05) |
| Cnemidocarpa verrucosa (ascidian) | 13 | 8.04 (0.19) | -25.62 (0.15) | 4.38 (0.03) | 10 | 7.49 (0.22) | -25.15 (0.32) | 4.41 (0.09) |
| Flabelligera mundata (polychaete) | 5 | 6.99 (0.15) | -17.03 (0.69) | 4.69 (0.06) | 6 | 4.68 (0.26) | -16.90 (0.65) | 4.97 (0.06) |
| Odontaster validus (asteroid) | 10 | 8.07 (0.30) | -19.72 (0.80) | 4.64 (0.14) | 10 | 8.43 (0.23) | -15.55 (0.49) | 4.92 (0.05) |
| Sterechinus neumayeri (echinoid) | 10 | 9.01 (0.30) | -15.62 (1.03) | 4.02 (0.08) | 5 | 9.38 (0.30) | -14.46 (0.21) | 3.96 (0.03) |
| Urticinopsis antarctica (anemone) | 13 | 9.44 (0.31) | -22.73 (0.59) | 4.65 (0.28) | 15 | 11.18 (0.44) | -15.67 (0.65) | 3.85 (0.02) |
| Glyptonotus antarcticus (amphipod) | 6 | 11.97 (0.13) | -22.36 (0.32) | 3.81 (0.03) | 5 | 11.17 (0.14) | -20.05 (0.25) | 3.85 (0.03) |
| Amauropsis rossiana (gastropod) | 2 | 9.70 (0.09) | -21.20 (0.15) | 4.17 (0.08) | 4 | 8.37 (0.33) | -22.63 (0.56) | 4.34 (0.04) |
| Parborlasia corrugatus (nemertean) | 10 | 10.82 (0.35) | -21.54 (0.15) | 4.19 (0.03) | 10 | 10.26 (0.22) | -20.66 (0.30) | 4.15 (0.04) |
| Colossendeis sp. (pycnogonid) | 5 | 10.37 (0.39) | -26.06 (0.34) | 5.9 (0.24) | 7 | 9.81 (0.67) | -25.47 (0.29) | 5.13 (0.11) |
| Perknaster fuscus antarcticus (asteroid) | 8 | 9.54 (0.49) | -22.08 (0.37) | 4.89 (0.13) | 2 | 8.88 (0.51) | -20.90 (0.18) | 4.78 (0.04) |
| Diplasterias brucei (asteroid) | 1 | 8.37 | -23.61 | 5.16 | 7 | 10.10 (0.39) | -23.04 (0.39) | 5.30 (0.17) |
| Trematomus pennellii (fish) | 5 | 11.77 (0.32) | -23.09 (0.68) | 3.90 (0.02) | 5 | 11.41 (0.25) | -22.14 (0.48) | 4.16 (0.03) |
| Trematomus bernacchii (fish) | 5 | 12.22 (0.37) | -23.82 (0.77) | 4.16 (0.14) | 5 | 11.33 (0.22) | -22.11 (0.25) | 4.19 (0.08) |
| Pagothenia borchgrevinki (fish) | 4 | 10.06 (0.35) | -25.99 (0.31) | 3.93 (0.06) | ||||
| Euphausia crystallorophias (euphausid) | 1 | 6.71 | -27.01 | 4.79 | ||||
| Adamussium colbecki (bivalve) | 4 | 5.94 (0.25) | -24.77 (0.09) | 3.83 (0.06) | ||||
TABLE A2. δ13 C for each fatty acid, by species and study site.
| Species | Site | 14:0 | 16:0 | 16:1ω7 | 18:0 | 18:1ω7 | 18:1ω9 | 20:4ω6 | 20:5ω3 | 22:6ω3 |
| Phyllophora antarctica | Cape Evans | -43.22 | ||||||||
| SIMCO | McMurdo Station | -31.75 | -26.88 | -28.02 | ||||||
| SIMCO | Razorback Island | -26.69 | -21.46 | -20.16 | -22.23 | -23.24 | ||||
| SIMCO | Cape Evans | -25.35 | -23.52 | -24.14 | -23.18 | -20.94 | -24.08 | |||
| SIMCO | Cape Bird | -22.70 | -20.31 | -19.34 | -20.46 | -18.38 | -18.86 | |||
| Clione antarctica | Cape Armitage | -33.81 | -30.56 | -32.16 | -32.94 | -31.98 | -33.96 | |||
| Clione antarctica | Cape Armitage | -34.38 | -29.28 | -30.20 | -29.38 | -30.09 | -31.57 | |||
| Clione antarctica | Cape Armitage | -34.61 | -29.87 | -32.91 | -31.25 | -33.19 | -35.67 | -33.30 | ||
| Clione antarctica | Cape Armitage | -34.26 | -29.90 | -31.55 | -30.93 | -32.07 | -31.98 | -33.73 | -33.30 | |
| Paramoera walkeri | Cape Armitage | -30.07 | -27.43 | -25.84 | -25.71 | |||||
| Paramoera walkeri | Razorback Island | -30.69 | -30.51 | -33.62 | ||||||
| Paramoera walkeri | Cape Bird | -20.50 | -21.51 | -20.47 | -24.68 | -23.97 | -25.99 | |||
| Laternula elliptica | Cape Armitage | -30.92 | -22.96 | -29.97 | -30.50 | -29.32 | -29.42 | -30.66 | ||
| Laternula elliptica | Razorback Island | -30.29 | -28.37 | -29.32 | -30.26 | -30.24 | ||||
| Laternula elliptica | Cape Evans | -31.33 | -31.16 | -32.13 | -30.29 | -30.03 | -31.25 | |||
| Cnemidocarpa verrucosa | Cape Armitage | -28.86 | -29.13 | -27.70 | -31.85 | -30.65 | -30.25 | -31.48 | -31.13 | |
| Cnemidocarpa verrucosa | Cape Evans | -30.06 | -28.88 | -33.55 | -30.90 | -31.24 | -30.51 | |||
| Flabelligera mundata | Cape Armitage | |||||||||
| Flabelligera mundata | Razorback Island | -15.15 | ||||||||
| Flabelligera mundata | Cape Evans | |||||||||
| Odontaster validus | Cape Armitage | -22.29 | -29.85 | -25.80 | ||||||
| Odontaster validus | Razorback Island | -15.31 | -18.37 | -14.12 | -25.07 | -20.66 | ||||
| Odontaster validus | Cape Evans | -15.93 | -13.82 | -23.32 | -19.37 | |||||
| Odontaster validus | Granite Harbour | -14.87 | -8.63 | -15.67 | -14.02 | -18.78 | -17.51 | |||
| Sterechinus neumayeri | Cape Armitage | -19.02 | -19.67 | -19.82 | -25.04 | -24.38 | ||||
| Sterechinus neumayeri | Cape Evans | -21.44 | -20.50 | -15.15 | -23.82 | -21.00 | ||||
| Sterechinus neumayeri | Granite Harbour | -16.17 | ||||||||
| Urticinopsis antarctica | Cape Armitage | -29.85 | -28.59 | -30.03 | -31.17 | -30.87 | ||||
| Urticinopsis antarctica | Razorback Island | -13.39 | -18.31 | -15.97 | -24.03 | -22.53 | -24.76 | |||
| Urticinopsis antarctica | Cape Evans | -19.20 | -18.35 | -18.49 | -23.25 | -25.34 | ||||
| Glyptonotus antarcticus | Cape Armitage | -26.35 | -24.09 | -27.92 | -29.39 | -28.04 | -29.77 | |||
| Glyptonotus antarcticus | Cape Evans | -23.86 | -20.61 | -24.98 | -20.88 | -27.49 | -29.11 | |||
| Parborlasia corrugatus | Cape Armitage | -27.19 | -27.12 | -29.74 | -27.63 | -29.56 | -30.41 | |||
| Parborlasia corrugatus | Razorback Island | -26.68 | -26.27 | -24.57 | -28.31 | -30.85 | ||||
| Parborlasia corrugatus | Cape Evans | -25.86 | -23.95 | -25.50 | -27.89 | -24.46 | -25.52 | -27.38 | -30.49 | |
| Parborlasia corrugatus | Granite Harbour | -18.00 | -15.61 | -19.97 | -27.69 | |||||
| Pagothenia borchgrevinki | Cape Armitage | -29.64 | -30.42 | -31.90 | -28.12 | -30.53 | -30.60 | |||
| Trematomus pennellii | Cape Armitage | -26.82 | -24.42 | -27.96 | -27.99 | -31.29 | -31.11 | |||
| Trematomus pennellii | Razorback Island | -24.24 | -20.56 | -21.96 | -28.01 | -24.22 | -24.58 | -30.43 | ||
| Trematomus bernacchii | Cape Armitage | -33.92 | -30.30 | -30.99 | -30.71 | -31.54 | -31.35 | |||
| Trematomus bernacchii | Razorback Island | -26.29 | -24.15 | -18.32 | -25.65 | -21.52 | -23.03 | -29.59 | ||
| Trematomus bernacchii | Cape Bird | -32.88 | -32.94 | -32.80 | -32.00 | -33.96 | -35.06 | -33.31 | ||
| Trematomus bernacchii | Granite Harbour | -33.56 | -29.91 | -30.76 | -32.80 | -33.05 | -36.10 | -34.18 |