| A Watershed Analysis of China Lake |
| Presentation Overview |
| Study Objectives |
| Slide 4 |
| The Value of Maine Lakes |
| China Lake |
| China Lake Formation |
| The Watershed |
| Municipal Jurisdiction |
| Historical Land Use |
| China Lake Dam Water Level |
| Fish Population of China Lake |
| Manipulated Fish Species |
| Invasive Species |
| Natural Eutrophication |
| Eutrophic Lakes |
| Anthropogenic Influence
on Eutrophication |
| Stratification and Turnover |
| Algal Blooms |
| Slide 20 |
| Sample Site Locations |
| China Lake Bathymetry |
| Water Quality Measurements |
| Physical and Biological Parameters |
| Historic Temperature |
| Dissolved Oxygen Profile |
| Summary of Bloom Parameters |
| Summary of Bloom Parameters |
| Chemical Parameters |
| pH Profile |
| Alkalinity |
| Surface Nitrates |
| Nitrate Profile |
| Nitrates in Local Lakes |
| Total Phosphorus |
| Slide 36 |
| Historic Phosphorus |
| Nutrient Loading |
| Slide 39 |
| Geographic Information System |
| GIS Analysis |
| Uses of GIS Analysis |
| Land Use Analysis |
| Land Use Analysis Methods |
| China Lake Watershed 1965 |
| Georeferencing |
| China Lake Watershed 2003 |
| Land Use Classifications |
| Agricultural Land |
| Residential and Commercial/Municipal |
| Forest and Wetlands |
| Reverting Land |
| Creating Polygons |
| Land Use Maps |
| Lake Quality Impacts: Agriculture |
| Lake Quality Impacts: Forest |
| Lake Quality Impacts: Reverting |
| Lake Quality Impacts: Wetlands |
| Lake Quality Impacts: Residential |
| Lake Quality Impacts: Commercial/Municipal |
| Lake Quality Impacts: Roads |
| Map of Land Use Change |
| Land Use Summary |
| GIS Models |
| Slide 65 |
| Septic Suitability |
| Slope Data |
| Soil Septic Suitability |
| Weighted Overlay |
| Septic Suitability |
| Erosion Potential |
| Soil K-factor Map |
| Land Use Erosion Risk Map |
| Weighted Overlay |
| Potential Impact of Erosion |
| Proximity to Lake |
| Proximity to Streams |
| Weighted Overlay |
| Potential Impact of Erosion |
| Slide 80 |