Abstract
The effects of nitrate availability and the presence of Glyceria maxima on the composition and activity of the
dissimilatory nitrate-reducing bacterial community were studied in the laboratory. Four different concentrations
of NO₃⁻, 0, 533, 1434, and 2,905 µg of NO₃⁻-N g of dry sediment⁻¹, were added to pots containing
freshwater sediment, and the
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