Our Watershed

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This slideshow is designed to teach the different parts of the watershed, explain what a watershed is and review possible threats to watersheds.

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  • Our Watershed

    1. 1. Our Watershed Oh to precious water
    2. 2. Today’s objectives <ul><li>Define a watershed </li></ul><ul><li>Label the different parts of a watershed and explain its role in the watershed </li></ul><ul><li>Label Pennsylvania’s major watersheds. </li></ul><ul><li>Weigh environmental effects of human activities within a watershed. </li></ul>
    3. 3. Water in our lives <ul><li>List all the ways that you used water today </li></ul><ul><li>What would we do without water? </li></ul>
    4. 5. What is a watershed? <ul><li>A watershed is the land area that drains water to a particular stream, river, or lake. It is a land feature that can be identified by tracing a line along the highest elevations between two areas on a map, often a ridge. </li></ul>
    5. 8. Water ways <ul><li>River </li></ul><ul><li>Lake </li></ul><ul><li>Pond </li></ul><ul><li>Stream </li></ul><ul><li>Creek </li></ul><ul><li>Groundwater </li></ul>
    6. 9. Amazing wetlands <ul><li>What is a wetland? </li></ul><ul><ul><li>EPA’s definition “those areas that are inundated or saturated by surface or ground water at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions. Wetlands generally include swamps, marshes, bogs and similar areas.&quot; </li></ul></ul>
    7. 10. Wetlands short definition <ul><li>Areas that </li></ul><ul><ul><li>Hold water during the main growing portion of the year </li></ul></ul><ul><ul><li>Have hydric soil </li></ul></ul><ul><ul><li>Have hydric plants (hydrophytes) </li></ul></ul>
    8. 11. Why do we care? <ul><li>Wetlands act as a natural sponge </li></ul><ul><ul><li>They hold excess water </li></ul></ul><ul><ul><li>They also hold excess pollutants and nutrients. </li></ul></ul>
    9. 12. Human effects <ul><li>Damming of waterways </li></ul><ul><li>The straitening of waterways </li></ul><ul><ul><li>Speeds up water </li></ul></ul><ul><li>The dredging of waterways </li></ul><ul><ul><li>Affects water temps and aquatic life </li></ul></ul><ul><li>What about the vegetation on the side of the river or creek? </li></ul><ul><ul><li>The Riparian Zone </li></ul></ul>
    10. 13. Riparian Zone <ul><li>The land beside a body of water. </li></ul><ul><li>Buffer </li></ul>
    11. 14. What is in the fence?
    12. 15. Concrete watershed?

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