THE CHEMISTRY OF PHOSPHATE AND NITROGEN COMPOUNDS IN SEDIMENTS This page intentionally left blank The Chemistry of Phosphate and Nitrogen Compounds in Sediments by Han L.…

1. My talk today is about using weirs as a conservation practice to manage sediment and phosphorus pollution. 1 2. The Mississippi River watershed drains half the continental…

Slide 1The Science Behind the Phosphorus Risk Index Wes Jarrell, Professor and Head Natural Resources and Environmental Sciences, UIUC March 2, 2005 Slide 2 -from Robertson…

Slide 1 Additional Questions, Resources, and Moving Forward Science questions raised in the development of a science assessment Effect of Conservation Tillage Systems on…

Slide 1 Common Monitoring Parameters Slide 2 Step 1 Consider purpose/objectives of monitoring Assess use attainment Characterize watershed Identify pollutants and sources…

For more information: [email protected] We gratefully acknowledge USGS for support of stream gauging, and cooperation of land owners and conservationists in the watershed.…