1. Jeffrey L. Armstrong Orange County Sanitation Distric Tyler Baker TVA Jerad Bales USGS David Bayne Auburn University Joe Boyer Florida International University Charles Dvorsky Texas Don Dycus Tennessee Valley Authority Art Garceau Indiana George Harman Maryland Mike Hemsley Ocean.US Steven R. Johnston Galveston Bay Estuary Program Steve Jordan EPA Ron Klein Alaska Chris Knopp U.S. Forest Service Design Workgroup

2. Alfred Korndoerfer, Jr. New Jersey Gail Mallard FED-U.S. Geological Survey Thomas C. Malone IOOS Dan McKenzie EPA Brian D. Melzian, Ph.D. EPA Tony Olsen EPA Steven G. Paulsen, Ph.D. EPA Robert P. Schreiber ASCE Gene Lynn Sisk Alabama GeneTurner & Eric Swenson Louisiana State University Robert Ward Colorado State University Dave Whitall, Ph.D. NOAA Design Workgroup

3. Oxygen depletion Nutrient enrichment Toxic contamination Sedimentation Harmful algal blooms Habitat degradation Invasions by exotic species Status of coastal habitats Sources and quantities of marine debris Coral communities Management Issues

4. Components of These Issues • Defined in some (often tacit) conceptual model Sources Causes Issue Primary Effects Secondary Effects

5. Example: Excess Nutrients • Harmful Algal Blooms conceptual model Causes: Excess Nutrients Sources Excess Nutrients Primary Effects HABs Elevated Temperatures Secondary Effects: A.Benthic Mortalities B.Fish Kills C.Human Health Effects

6. Exclusive Economic Zones

7. National Estuary Programs

8. NERR: small blue in Delaware Bay

9. NCA Estuary and Marine

10. NPS: Assateague Island (pink)

11. HUC Regions

12. HUC Subregions (4-digit): coastal

13. HUC 6-digit: coastal

14. HUC 8-digit: Gulf Coast

15. HUC 8-digit: rivers in one

16. Matrix Coverage • Exclusive Economic Zone • Estuaries • Ocean- State & Territorial • Rivers • Level 1 • Level 2 • Level 3 • Level 4