| Slide 1 |
| Presentation Overview |
| Anna Sommo |
| The Value of Maine Lakes |
| General Characteristics of Maine Lakes |
| Watershed Definition |
| Geographical Perspective of Threemile Pond |
| The History of Threemile Pond |
| Aquatic Flora and Fauna |
| Invasive Plants |
| Eutrophication |
| Turnover |
| Study Objectives |
| Water Quality |
| Overview |
| Sample Site Locations |
| Dissolved Oxygen |
| Dissolved Oxygen |
| Physical Measurements: Selected Results |
| Physical Measurements: Selected Results |
| Chemical Tests: Selected Results |
| Chemical Tests: Selected Results |
| Nutrient Loading |
| Nitrates and Nitrites |
| Phosphorus |
| Phosphorus |
| Phosphorus |
| Phosphorus Deposition |
| Historical Total Phosphorus- Threemile Pond |
| August 2003 Phosphorus Readings |
| Phosphorus for Surrounding Lakes in Recent Years |
| September 2003 Phosphorus Readings |
| Tributary Water Quality |
| Tributary Data for Sept. 2003 |
| Water Budget -Flushing Rate |
| Land Use Kelly Welch |
| Overview |
| Watershed Land Use |
| Regional Land Use Trends |
| Maps |
| Methods |
| Slide 42 |
| Land Use Classifications |
| Wetlands |
| Forests |
| Slide 46 |
| Cleared Land |
| Agricultural |
| Commercial and municipal |
| Residential |
| Patterns of Land Use in the
Threemile Pond Watershed |
| Percent of the watershed covered by each land use category |
| Land Use Summary |
| Intermission |