Table 9. Values used in the calculation of the Filter/Recovery Metabolic rate (F/RMR; equation 5).
Parameter | Symbol | Unit | Computational | Blue | Fin | Humpback | Reference |
(1) Morphology | |||||||
Body length | Lbody | m | 25 | 20 | 14 | [39] | |
Body mass | Mc | kg | 92,671 | 52,584 | 35,692 | [39] | |
Body volume | Uc | m3 | 86.4 | 45.9 | 31.5 | ||
Body surface area | Abody | m2 | SA = 0.08Mc 0.65 | 131.5 | 87.1 | 68.2 | [14] |
Fluke total surface area (m2) | Afluke | m2 | 9.19 | 6.26 | 10.43 | [14] [24] | |
(2) Oxygen stores | |||||||
O2 stores (Lungs) | |||||||
Total lunge capacity | TLC | l | 0.1 X Mc 0.96 | 5865 | 3404 | 2347 | Kooyman, 1989 |
Diving lunge volume | DLV | l | 0.75 X TLC | 4399 | 2553 | 1760 | Goforth, 1986 |
Total O2 in lungs | Olung | l | 0.15 X DLV | 660 | 383 | 264 | Kooyman, 1989 |
O2 stores (muscle) | |||||||
Muscle mass | Mm | %Mc | 39.4 | 45.6 | 30.6 | [39] | |
Muscle mass | Mm | kg | 36,512 | 23,978 | 10,922 | ||
Myoglobin | Mb | g | 34 g kg−1 | 1,241,421 | 815,262 | 371,340 | Noren & Williams, 2000 |
O2 combining capacity | ηO | 1 g−1 Mb | 0.0013 | 0.0013 | 0.0013 | Kooyman, 1989 | |
Total O2 in muscle | Omuscle | l | 1614 | 1060 | 483 | ||
O2 stores (Blood) | |||||||
Blood volume | BV | l | 0.127 l kg-1 | 11,769 | 6,678 | 4,533 | Ridgway et al., 1984 |
Arterial volume | AV | l | 0.33BV | 3,884 | 2,204 | 1,496 | Lenfant et al., 1970 |
Venous volume | VV | l | 0.67BV | 7,885 | 4,474 | 3,037 | Lenfant et al., 1970 |
Arterial haemoglobin | AHB | g | 209 g l−1 | 811,723 | 460,593 | 312,633 | Ridgway et al., 1984 |
Venous haemoglobin | VHB | g | 209 g l−1 | 1,648,043 | 935,144 | 634,740 | Ridgway et al., 1984 |
O2 combining capacity | ηO | 1 g−1 Mb | 0.0013 | 0.0013 | 0.0013 | ||
arterial blood O2 | ABO | l | 98% saturation | 1034 | 587 | 398 | Kooyman, 1989 |
venous blood O2 | VBO | l | 75% saturation | 1656 | 940 | 638 | Kooyman, 1989 |
Total O2 in blood | Oblood | l | ABO + VBO | 2690 | 1527 | 1036 | |
Total Body O2 stores | Obody | l | Olung + Omuscle + Oblood | 4964 | 2969 | 1783 | |
Liters/min burned at BMR rate | l O2/min | Obody/4.0Mc 0.74 | 2.98 | 2.98 | 2.98 | [24] |