Abstract
Activities of the respiratory electron transport system (ETS),14C uptake, chlorophyll and temperature were determined at a station in the center of Donghu Lake. Seasonal fluctuations in ETS-activities ranged from 100 to 460 μg O2 h−1 · L−1. Production: respiration ratio (P/R) calculated from C uptake and ETS-activity, ranged from 0.2 to 6.8. The test on cultured algae ETS-activity revealed marked differences in different growth phases. ETS activity is suggested as an indicator of lake nutrient status.
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