The Company of Biologists

Table 1.

Summarized data for all seals

Variable	Mean ±s.d.^{^*}
Mass at weighing	92.4±20.9
Mass-specific metabolic rate (ml O₂ kg⁻¹min⁻¹)
W-phase^{^†}	3.466±1.102
S-phase^{^‡}	2.751±1.002
Mean REWL (g H₂O min⁻¹)
W-phase^{^†}	0.075±0.013
S-phase^{^‡}	0.044±0.006
Mean MWP (g H₂O min⁻¹)
W-phase^{^†}	0.155±0.030
S-phase^{^‡}	0.121±0.016
Mean water loss ratio (REWL/MWP)
W-phase^{^†}	0.492±0.093
S-phase^{^‡}	0.372±0.070
Mean water loss per breath (g)
W-phase^{^†}	0.013±0.003
S-phase^{^‡}	0.015±0.004
Mean apnea duration (min)	5.14±1.10
Mean temperature (°C)	19.37±1.53
Mean absolute humidity (g H₂O m⁻³)	9.040±0.801

Variable	Mean ±s.d.^{^*}
Mass at weighing	92.4±20.9
Mass-specific metabolic rate (ml O₂ kg⁻¹min⁻¹)
W-phase^{^†}	3.466±1.102
S-phase^{^‡}	2.751±1.002
Mean REWL (g H₂O min⁻¹)
W-phase^{^†}	0.075±0.013
S-phase^{^‡}	0.044±0.006
Mean MWP (g H₂O min⁻¹)
W-phase^{^†}	0.155±0.030
S-phase^{^‡}	0.121±0.016
Mean water loss ratio (REWL/MWP)
W-phase^{^†}	0.492±0.093
S-phase^{^‡}	0.372±0.070
Mean water loss per breath (g)
W-phase^{^†}	0.013±0.003
S-phase^{^‡}	0.015±0.004
Mean apnea duration (min)	5.14±1.10
Mean temperature (°C)	19.37±1.53
Mean absolute humidity (g H₂O m⁻³)	9.040±0.801

REWL, respiratory evaporative water loss; MWP, metabolic water production.

Data presented are for 13 seals (5 male, 8 female). Values listed are mean± s.d. of the mean values for each of the individual seals.

No apneas exceeding 1 min.

Breathing intervals contained apneas of 1 min or more.