Rate of oxygen consumption as a function of heart rate in barnacle geese
| Captive . | Period . | Equation of the line . | R2 . | Fdegrees of freedom . | P . |
|---|---|---|---|---|---|
| Whole-animal | Feb | V̇O2=0.27(±0.02), fH –5.62 (±6.6) | 0.87 | F1,29=139.6 | P<0.001 |
| May | V̇O2=0.35(±0.04), fH –17.1 (±8.7) | 0.79 | F1,26=73.31 | P<0.001 | |
| July–Aug | V̇O2=0.28(±0.02), fH –6.64 (±6.6) | 0.88 | F1,44=140.72 | P<0.001 | |
| Aug–Sep | V̇O2=0.38(±0.04), fH –39.1 (±10.7) | 0.86 | F1,28=86.23 | P<0.001 | |
| Sep–Oct | V̇O2=0.22(±0.02), fH –22.7 (±6.34) | 0.83 | F1,28=82.95 | P<0.001 | |
| Nov | V̇O2=0.22(±0.02), fH –0.83 (±5.3) | 0.88 | F1,30=130.4 | P<0.01 | |
| Mass-specific | Feb | V̇O2=0.14(±0.01), fH –3.23 (±3.8) | 0.90 | F1,29=109.2 | P<0.001 |
| May | V̇O2=0.20(±0.02), fH –9.52 (±5.3) | 0.91 | F1,26=61.17 | P<0.001 | |
| July–Aug | V̇O2=0.14(±0.01), fH –2.24 (±3.6) | 0.94 | F1,44=111.7 | P<0.001 | |
| Aug–Sep | V̇O2=0.22(±0.02), fH –22.72 (±6.3) | 0.83 | F1,28=82.95 | P<0.001 | |
| Sep–Oct | V̇O2=0.26(±0.01), fH –16.31 (±2.8) | 0.96 | F1,37=398.5 | P<0.001 | |
| Nov | V̇O2=0.12(±0.01), fH +0.117 (±3.0) | 0.91 | F1,30=120.8 | P<0.001 | |
| Wild | |||||
| Whole-animal | – | V̇O2=1.92(±0.25), fH –181.13 (±38) | 0.67 | F1,24=12.90 | P<0.001 |
| Mass-specific | – | V̇O2=1.04(±0.14), fH –99.51 (±21.1) | 0.60 | F1,24=109.3 | P<0.001 |
| Captive | |||||
| Mass-specific | Pooled line | V̇O2=0.20(±0.01), fH –9.31 (±3.7) | 0.79 | F1,182=257.6 | P<0.001 |
| Captive . | Period . | Equation of the line . | R2 . | Fdegrees of freedom . | P . |
|---|---|---|---|---|---|
| Whole-animal | Feb | V̇O2=0.27(±0.02), fH –5.62 (±6.6) | 0.87 | F1,29=139.6 | P<0.001 |
| May | V̇O2=0.35(±0.04), fH –17.1 (±8.7) | 0.79 | F1,26=73.31 | P<0.001 | |
| July–Aug | V̇O2=0.28(±0.02), fH –6.64 (±6.6) | 0.88 | F1,44=140.72 | P<0.001 | |
| Aug–Sep | V̇O2=0.38(±0.04), fH –39.1 (±10.7) | 0.86 | F1,28=86.23 | P<0.001 | |
| Sep–Oct | V̇O2=0.22(±0.02), fH –22.7 (±6.34) | 0.83 | F1,28=82.95 | P<0.001 | |
| Nov | V̇O2=0.22(±0.02), fH –0.83 (±5.3) | 0.88 | F1,30=130.4 | P<0.01 | |
| Mass-specific | Feb | V̇O2=0.14(±0.01), fH –3.23 (±3.8) | 0.90 | F1,29=109.2 | P<0.001 |
| May | V̇O2=0.20(±0.02), fH –9.52 (±5.3) | 0.91 | F1,26=61.17 | P<0.001 | |
| July–Aug | V̇O2=0.14(±0.01), fH –2.24 (±3.6) | 0.94 | F1,44=111.7 | P<0.001 | |
| Aug–Sep | V̇O2=0.22(±0.02), fH –22.72 (±6.3) | 0.83 | F1,28=82.95 | P<0.001 | |
| Sep–Oct | V̇O2=0.26(±0.01), fH –16.31 (±2.8) | 0.96 | F1,37=398.5 | P<0.001 | |
| Nov | V̇O2=0.12(±0.01), fH +0.117 (±3.0) | 0.91 | F1,30=120.8 | P<0.001 | |
| Wild | |||||
| Whole-animal | – | V̇O2=1.92(±0.25), fH –181.13 (±38) | 0.67 | F1,24=12.90 | P<0.001 |
| Mass-specific | – | V̇O2=1.04(±0.14), fH –99.51 (±21.1) | 0.60 | F1,24=109.3 | P<0.001 |
| Captive | |||||
| Mass-specific | Pooled line | V̇O2=0.20(±0.01), fH –9.31 (±3.7) | 0.79 | F1,182=257.6 | P<0.001 |
Data are a result of general linear model analysis, values are presented as whole-animal and mass-specific values of rate of oxygen consumption (±s.e.m.), and relate to Fig. 2for captive geese and Fig. 3for wild birds