| Today�s Presentation: Part II |
| Buffer Strips |
| Michelle Presby |
| Definition and Purpose |
| Permanently-vegetated land | |
| Interception of materials from runoff | |
| Stabilize shoreline | |
| Habitat and corridors for wildlife | |
| Importance of riprap |
| Buffer Strip Survey |
| % shoreline | |
| Plant composition | |
| Buffer depth | |
| Slope rating |
| Buffer Strip Survey |
| Each factor assigned weighted value | |
| Converted to buffer quality rating |
| Good: 76-100% quality rating |
| Acceptable: 51-75% quality rating |
| Fair: 26-50% quality rating |
| Poor: 0-25% quality rating |
| Slide 10 |
| Slide 11 |
| Buffer Conclusions |
| 69% fair and poor buffer quality ratings | |
| Significant sediment and pollutant runoff | |
| Western shoreline remediation |
| Macrophytes |
| Michelle Presby |
| Ecological Benefits of Aquatic Plants |
| Biological oxygen demand in lakes | |
| Fauna habitat and food source | |
| Anchor substrate |
| Why Do a Macrophyte Survey? |
| Community awareness | |
| Invasive aquatic plant prevention | |
| Implications for fauna composition |
| Survey Methods |
| Most Common Macrophyte Species |
| Invasive Plant |
| Purple loosestrife at 4 separate points | |
| Non-dominant, very few individuals | |
| Hand-pull before flowering occurs |
| Water Chemistry |
| Andrew Young |
| Study Sites |
| Sites 1 through 5 were studied all summer | |
| Site 6 added | |
| Sites A, B and C are tributary sites |
| "Lake water quality is dependent..." |
| Lake water quality is dependent on many parameters | |
| Stratification in summer and winter, mixing during spring and fall |
| Temperature and DO |
| Slide 23 |
| Slide 24 |
| Projected Anoxia |
| Sediment Loading |
| Tributary Phosphorus |
| Water Chemistry |
| Historical Transparency |
| Transparency |
| Historical Phosphorus Data |
| Site 1 Phosphorus |
| Phosphorus Trends |
| Fall Algal Bloom |
| Water and Phosphorus Budgets |
| Michael Ambrogi |
| Why Calculate the Water Budget? |
| Water Budget Equation |
| Water Budget Results |
| Why Calculate the Phosphorus Model? |
| Phosphorus Sources |
| External Sources: Land Uses |
| External Sources: Septic Systems |
| External Loading Results |
| Land Use vs. Phosphorus |
| % Land Use | |
| % Phosphorus |
| Internal & External Loading Results |
| Internal Cycling |
| Future Projections |
| Kelly McKone |
| General Information |
| Mean Household Size |
| Growth Constraints |
| Factors Promoting Development |
| 1957 2007 |
| Proposed Zoning Code |
| Slide 54 |
| Future Projections |
| Future Development Projections |
| Recommendations |
| Megan Schafer |
| Land Use and Lake Recommendations |
| Buffer Strips |
| Roads |
| Wastewater Disposal Systems |
| Aquatic Plants |
| Community Awareness and Education |
| Acknowledgements |
| Roy Bouchard | |
| Russell Cole | |
| David Firmage | |
| Larry Fleury | |
| Manny Gimond | |
| Tracey Greenwood | |
| David Halliwell | |
| Robert A. Johnson | |
| Charles Jones | |
| D. Whitney King | |
| Michelle LePage | |
| Ian McCullough | |
| Carl Snow | |
| Questions? |
| Slide 66 |