Fig. 3From: A critical assessment of marine predator isoscapes within the southern Indian OceanDifference between wandering (WA), grey-headed (GHA) and sooty (SA) albatross as well as northern (NGP) and southern (SGP) giant petrel plasma δ13C (top right diagonal) and δ15N (bottom left diagonal) isoscapes. Differences were calculated by subtracting the isoscape of the species indicated on the vertical axis from the species indicated on the horizontal axis. Due to the small overlap between isoscapes of the giant petrels their comparison is not shownBack to article page