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Nutrient and Solids Controls in Virginia's Chesapeake Bay Tributaries

Published: June 01, 2002

A model package including a watershed model, an atmospheric loading model, a hydrodynamic model, and a eutrophication model are used to evaluate the benefit of nutrient and solids load controls on the Virginia tributaries to the Chesapeake Bay. Quantities examined include nutrients, solids, chlorophyll, anoxic volume, mesozooplankton, benthos, light attenuation, and submerged aquatic vegetation. Nutrient load controls are beneficial in reducing chlorophyll concentration and anoxic volume but produce no major benefits for zooplankton and benthos. Load controls benefit aquatic vegetation biomass, but more extensive solids controls are required to restore widespread SAV distribution.

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