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Seasonal variability of metabolically active bacterioplankton in the euphotic zone of a hypertrophic lakeSommaruga R, Conde D![]()
ABSTRACT: We studied the seasonal variation in the abundance of metabolically active bacteria (cells with an active electron transport system based on the INT-reduction method) and the proportion of active cells in the euphotic zone of a hypertrophic lake with the
objective of determining the main factors related to their dynamics. The annual average proportion of active cells was ~47% and changed from ~17% in winter to 100% in autumn. Both total direct counts (range: 1.5 to 20.4
KEY WORDS: INT method · Bacterial activity · Temperature · Bacterivory · Cell-specific activity · Lakes
Published in AME Vol.
13, No. 3
(1997) on September 11
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