America's Watershed Initiative

Billions have been invested in reducing agricultural nonpoint source pollution, making it critical to measure the water quality benefits of wetland easements under the Wetland Reserve Program (WRP) and Agricultural Conservation Easement Program (ACEP). This study examines newly restored wetlands in the Mississippi River Basin, finding reduced ammonia and total Kjeldahl nitrogen concentrations locally and downstream. Local phosphorus levels temporarily rise after restoration, likely due to soil...