Seasonal pattern of ammonium (methylamine) uptake by phytoplankton in an oligotrophic lake

  title={Seasonal pattern of ammonium (methylamine) uptake by phytoplankton in an oligotrophic lake},
  author={Marolyn J. Parson and Bruce C. Parker},
Our primary objective was to determine if a relationship existed between seasonal change in phytoplankton and high affinity for (K m) or uptake rates (V maX) of ammonium which might explain seasonal phytoplankton succession in oligotrophic ecosystems. We measured ammonium uptake using [14C]-methylamine and estimatedK m andV max using Hanes Plots at 2-week intervals during 6 months of thermal stratification in Mountain lake, Virginia (37° 22′ N, 80° 32′ W). Community composition, nutrient levels… CONTINUE READING
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