Table 6.

Specific conversion rates of nitrifying bacteria in the active shell

In situ conditionsIncubation conditions
SampleSpecific conversion rate (10−4 pmol · cell−1 · h−1)SampleSpecific conversion rate (10−4 pmol · cell−1 · h−1)
AORaNORbAORNOR
A12.5 ± 2.40.2 ± 0.1A19.2 ± 9.90.5 ± 0.2
A22.7 ± 2.30.2 ± 0.1A29.7 ± 11.80.5 ± 0.5
A300.1 ± 0.05A3ammonium 2.8 ± 0.40.1 ± 0.05
A3nitrite 00.7 ± 0.8
  • a Ammonium oxidation rate (± SD) per NSO1225-positive cell.

  • b Nitrite oxidation rate (± SD) per NSR826/NSR1156-positive cell.