Fig. 6. The relationship between heart rate (beats min–1) and rate
of oxygen consumption (ml O2 h–1
kg–1) in Steller sea lions
[
O2=(0.19fH±0.02)–(4.12±1.68),
r2=0.69] shown, for comparison, with that determined in
other pinniped species (Fedak,
1986; Williams et al.,
1991; Butler et al.,
1992; Boyd et al.,
1995,
1999).