Abstract
Abstract The effect of NaCl, the main component of road de‐icer salt, on amylase, cellulase and urease activity and synthesis in diverse river sediments was determined. Only urease activity was significantly reduced by concentrations of up to 500 μg g−1 Cl− ions. The results suggest that amylase and cellulose breakdown in river sediments is unlikely to be impaired by NaCl, while urea hydrolysis appears more sensitive to Cl concentrations likely to occur in river sediments polluted with de‐icer salt.
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