Scientific Investigations Report 2013–5001
Figure 3. Land cover and potential sources of organic carbon that contribute disinfection by-product precursors to the Clackamas River, Oregon. (Photographs show (A) irrigated container nursery in the Deep Creek basin, (B) blue-green algae bloom in North Fork Reservoir, (C) timber harvest unit in the Eagle Creek basin, (D) regrowth forest in the Oak Grove Fork basin, (E) filamentous green algae in the Collawash River, (F) riparian forest in the Collawash River basin, (G) timber harvest unit adjacent to North Fork Reservoir, and (H) row crops in the Rock Creek basin.) |
First posted February 11, 2013 For additional information contact: Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge. |