Estimations of Bacterial Growth Rates in Natural Waters1

AUTOR(ES)

Jannasch, Holger W.

RESUMO

Specific growth rates as low as 0.005 hr−1 (generation times of 20 to 200 hr) of aquatic bacteria in natural waters have been calculated from significant differences between dilution rates and washout rates in a chemostat. The measured growth rates were affected by the treatment of the water samples (type of sterilization) and by competition with the natural microflora for the unknown growth-limiting substrate.

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