Summary
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1.
Mytilus edulis acclimated its rates of oxygen consumption when maintained at reduced oxygen tensions for periods in excess of five days.
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2.
Acclimation was complete down to approximately 55 mm Hg\(P_{O_2 } \); at slightly lower oxygen tensions (51, 49 and 43 mm Hg) acclimation was complete in one experiment and partial in two others.
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3.
The capacity to acclimate oxygen consumption was not affected by a reduction in ration nor by an increase in temperature (10 to 22 °C).
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4.
Mussels that were acclimated to reduced oxygen tension (40–80 mm Hg), and then exposed to\(P_{O_2 } \) of less than 20 mm Hg for two or five hours, had depressed rates of oxygen uptake when subsequently “recovered” to 40–80 mm Hg.
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5.
These results are discussed in the context of biochemical studies of anaerobic metabolism in mussels from the same experiments.
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Bayne, B.L., Livingstone, D.R. Responses ofMytilus edulis L. to low oxygen tension: Acclimation of the rate of oxygen consumption. J Comp Physiol B 114, 129–142 (1977). https://doi.org/10.1007/BF00688964
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DOI: https://doi.org/10.1007/BF00688964