Effects of temperature, hypoxia and activity on the metabolism of juvenile Atlantic cod
Schurmann, H.; Steffensen, J.F. (1997). Effects of temperature, hypoxia and activity on the metabolism of juvenile Atlantic cod. J. Fish Biol. 50(6): 1166-1180
In: Journal of Fish Biology. Fisheries Society of the British Isles: London,New York,. ISSN 0022-1112; e-ISSN 1095-8649, more
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| Keywords |
Biological stress
Developmental stages > Juveniles
Diseases > Human diseases > Hypoxia
Environmental effects > Temperature effects
Metabolism > Animal metabolism
Gadus morhua Linnaeus, 1758 [WoRMS]
Marine/Coastal |
| Authors | | Top |
- Schurmann, H.
- Steffensen, J.F.
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| Abstract |
Standard metabolic rate (SMR), active metabolic rate (AMR) and critical oxygen saturation (Scrit) were measured in Atlantic cod Gadus morhua at 5, 10 and 15°C. The SMR was 35.5, 57.0 and 78.2 mg O2 kg-1 h-1 and Scrit was 16.5, 23.2 and 30.3%, at 5, 10 and 15°C, respectively. Previously reported SMR for Atlantic cod from arctic waters at 4° C was twice that measured at 5°C in the present study. A possible intraspecific latitudinal difference in the SMR is discussed. The AMR was 146.6, 197.9 and 200.4 mg O2 kg-1 h-1 and the critical swimming speed (U crit) was 1.6, 1.7 and 1.9 at 5, 10 and 15°C, respectively. The maximum oxygen consumption was found to be associated with exercise, rather than recovery from exercise as previously reported in another study of cod metabolism. |
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