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- The effects of acute hypoxia and hypercapnia on oxygen consumption of the freshwater European eel
- University of Copenhagen
- Universidade Estadual Paulista (UNESP)
- When exposed to hypoxia, eels Anguilla anguilla were able to regulate and maintain VO2 down to a water oxygen tension (PWO2) of about 25 mmHg, a value far below those reported in other studies. When exposed to hypercapnia, eels showed a depression in VO2 as water carbon dioxide tension (PWCO2) increased. Faced with combined hypoxia-hypercapnia, eels showed an increase in their sensitivity to hypoxia, and the critical oxygen tension increased to 40-45 mmHg. The possible mechanisms underlying these responses were discussed, and the implications of such findings for extensive culture of eels were highlighted.
- Journal of Fish Biology, v. 50, n. 4, p. 759-769, 1997.
- Anguilla anguilla
- European freshwater eel
- oxygen consumption
- Acesso restrito
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