Wetland Ecosystems

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  • Wetland Ecosystems

    1. 1. Wetland Ecosystems• Marine and Freshwater • Hydrology and water- logging • Soils flooded all or part of the year • Vegetation tolerant to low O2 and high amounts of H2O
    2. 2. Wetland Ecosystems• Marine and Freshwater • Hydrology and water- logging • Soils flooded all or part of the year • Vegetation tolerant to low O2 and high amounts of H2O
    3. 3. Wetland Ecosystems• Marine and Freshwater • Hydrology and water- logging • Soils flooded all or part of the year • Vegetation tolerant to low O2 and high amounts of H2O
    4. 4. Freshwater Wetlands• Marshes • Primary vegetation is herbaceous • Western end of Noxontown Pond • What herbivores and carnivores are likely here?
    5. 5. Freshwater Wetlands• Marshes • Primary vegetation is herbaceous • Western end of Noxontown Pond • What herbivores and carnivores are likely here?
    6. 6. Freshwater Wetlands• Marshes • Primary vegetation is herbaceous • Western end of Noxontown Pond • What herbivores and carnivores are likely here?
    7. 7. Freshwater Wetlands• Marshes • Primary vegetation is herbaceous • Western end of Noxontown Pond • What herbivores and carnivores are likely here?
    8. 8. Other Freshwater Wetlands• Swamps • Live trees primary vegetation • Trappe Point State Park, Laurel, DE • Bald Cypress • What animals live in a swamp like this? Eastern Bald Cypress
    9. 9. Freshwater Wetlands not found in DE• Bog • Poor drainage; acid pH • Low nutrients/low decomposition • Primary vegetation: Sphagnum moss • Bogs play a major role in The Great Heath, Mt. Desert Island,ME carbon sequestration
    10. 10. Freshwater Wetlands not found in DE• Bog • Poor drainage; acid pH • Low nutrients/low decomposition • Primary vegetation: Sphagnum moss • Bogs play a major role in The Great Heath, Mt. Desert Island,ME carbon sequestration
    11. 11. Freshwater Wetlands not found in DE• Bog • Poor drainage; acid pH • Low nutrients/low decomposition • Primary vegetation: Sphagnum moss • Bogs play a major role in The Great Heath, Mt. Desert Island,ME carbon sequestration
    12. 12. Freshwater Wetlands not found in DE• Bog • Poor drainage; acid pH • Low nutrients/low decomposition • Primary vegetation: Sphagnum moss • Bogs play a major role in The Great Heath, Mt. Desert Island,ME carbon sequestration
    13. 13. Marine Wetlands• Tidal Influence• Usually associated with estuaries• Temperate and Tropical• High NPP; rapid cycling of nutrients
    14. 14. Marine Wetlands• Tidal Influence• Usually associated with estuaries• Temperate and Tropical• High NPP; rapid cycling of nutrients
    15. 15. Delaware Salt Marshes• Appoquinimink River tidal basin (other side of spillway) & Bombay Hook• Do salt marshes have advantages over freshwater marshes?
    16. 16. Delaware Salt Marshes• Appoquinimink River tidal basin (other side of spillway) & Bombay Hook• Do salt marshes have advantages over freshwater marshes?
    17. 17. Delaware Salt Marshes• Appoquinimink River tidal basin (other side of spillway) & Bombay Hook• Do salt marshes have advantages over freshwater marshes?
    18. 18. Delaware Salt Marshes• Appoquinimink River tidal basin (other side of spillway) & Bombay Hook• Do salt marshes have advantages over freshwater marshes?
    19. 19. Mangrove Forests• Tropical Marine Wetlands • Mangrove trees primary vegetation • Protect coastline • Nursery areas • Impact of aquaculture (shrimp) • Found in Florida, too Palawan, Philippines
    20. 20. A Few Questions To Consider...• Why are wetlands important to to our coast?• What role do wetlands play in the hydrological cycle?• What animal species spend part or all of their lives in wetlands?
    21. 21. Two Final Questions...• How do humans impact wetlands?• What role do you think wetlands play in climate change? St. Andrew’s School

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