Retention of phosphorus from simulated run-off within forested streamside management zones (SMZs) of the Piedmont
White, W. J.
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This project investigated the retention of phosphorus and clay in 5m (wide) x 10m (deep) plots located in streamside management zones in commercial timber to which simulated runoff was applied from a tank and dispenser system. The purpose of the project was to quantify the filtering/adsorption benefits of SMZs with respect to phosphorus and clay. Plots were located on five slopes ranging from 2%-20% and either had an undisturbed forest floor or had the forest floor removed. Surface water samples were collected at 0, 2, 4, 6, and 10 meters within the SMZ during a 1-hour runoff simulation and analyzed for total phosphorus concentrations.