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Microbial Ecology

, Volume 19, Issue 1, pp 53–62 | Cite as

Bacterial production in freshwater sediments: Cell specific versus system measures

  • Robert D. Fallon
  • Charles W. Boylen
Article

Abstract

Estimates of bacterial production based on total trichloroacetic acid (TCA)-precipitable [methyl-3H]thymidine incorporation and frequency of dividing cell (FDC) techniques were compared to sediment respiration rates in Lake George, New York. Bacterial growth rates based on thymidine incorporation ranged from 0.024 to 0.41 day−1, while rates based on FDC ranged from 1.78 to 2.48 day−1. Respiration rates ranged from 0.11 to 1.8μmol O2·hour−1·g dry weight sediment−1. Thymidine incorporation yielded production estimates which were in reasonable agreement with respiration rates. Production estimates based on FDC were 4- to 190-fold higher than those predicted from respiration rates.

Keywords

Growth Rate Respiration Respiration Rate Thymidine System Measure 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag New York Inc. 1990

Authors and Affiliations

  • Robert D. Fallon
    • 1
  • Charles W. Boylen
    • 2
  1. 1.CR&D DepartmentE.I. duPont de Nemours & Co.WilmingtonUSA
  2. 2.Department of Biology and Rensselaer Fresh Water InstituteRensselaer Polytechnic InstituteTroyUSA

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