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Table 3 Plasma δ13C and δ15N values calculated using species-specific regression equations (Table 2) for the Antarctic polar (PF, 51°S) and sub-tropical (STF, 42°S) fronts following the methods of Jaeger et al. [14]

From: A critical assessment of marine predator isoscapes within the southern Indian Ocean

Species δ13C (‰) δ15N (‰)
PF STF PF STF
Albatrosses
 Wandering −21.4 − 19.9 13.6 14.6
 Grey-headed −21.6 −19.4 10.3 10.4
 Sooty −21.1 − 20.5 12.2 12.3
Giant petrels
 Northern −21.4 −19.9 13.7 14.5
 Southern −22.6 −21.8 12.7 13.5