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Fig. 9. Log-transformed diving metabolic rate (DMR) plotted against dive duration
for all dives. Also indicated is the boundary defined by quantile regression
of the 95th percentile plus upper and lower 95% confidence limits to this
line. The regression is significant at P<0.05. The thick, broken
line represents the relationship between maximum possible aerobic log DMR and
dive duration, based on maximum utilisation of body oxygen stores during the
dive.