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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
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
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
Freshwater Wetlands
•   Marshes

    •   Primary vegetation is
        herbaceous

    •   Western end of
        Noxontown Pond

    •   What herbivores and
        carnivores are likely
        here?
Freshwater Wetlands
•   Marshes

    •   Primary vegetation is
        herbaceous

    •   Western end of
        Noxontown Pond

    •   What herbivores and
        carnivores are likely
        here?
Freshwater Wetlands
•   Marshes

    •   Primary vegetation is
        herbaceous

    •   Western end of
        Noxontown Pond

    •   What herbivores and
        carnivores are likely
        here?
Freshwater Wetlands
•   Marshes

    •   Primary vegetation is
        herbaceous

    •   Western end of
        Noxontown Pond

    •   What herbivores and
        carnivores are likely
        here?
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
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
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
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
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
Marine Wetlands
•   Tidal Influence

•   Usually
    associated with
    estuaries

•   Temperate and
    Tropical

•   High NPP;
    rapid cycling of
    nutrients
Marine Wetlands
•   Tidal Influence

•   Usually
    associated with
    estuaries

•   Temperate and
    Tropical

•   High NPP;
    rapid cycling of
    nutrients
Delaware Salt Marshes
•   Appoquinimink
    River tidal basin
    (other side of
    spillway) &
    Bombay Hook

•   Do salt marshes
    have advantages
    over freshwater
    marshes?
Delaware Salt Marshes
•   Appoquinimink
    River tidal basin
    (other side of
    spillway) &
    Bombay Hook

•   Do salt marshes
    have advantages
    over freshwater
    marshes?
Delaware Salt Marshes
•   Appoquinimink
    River tidal basin
    (other side of
    spillway) &
    Bombay Hook

•   Do salt marshes
    have advantages
    over freshwater
    marshes?
Delaware Salt Marshes
•   Appoquinimink
    River tidal basin
    (other side of
    spillway) &
    Bombay Hook

•   Do salt marshes
    have advantages
    over freshwater
    marshes?
Mangrove Forests

•   Tropical Marine
    Wetlands
    •   Mangrove trees primary
        vegetation

    •   Protect coastline

    •   Nursery areas

    •   Impact of aquaculture
        (shrimp)

    •   Found in Florida, too
                                  Palawan, Philippines
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?
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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Wetland Ecosystems

  • 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. 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. 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. Freshwater Wetlands • Marshes • Primary vegetation is herbaceous • Western end of Noxontown Pond • What herbivores and carnivores are likely here?
  • 5. Freshwater Wetlands • Marshes • Primary vegetation is herbaceous • Western end of Noxontown Pond • What herbivores and carnivores are likely here?
  • 6. Freshwater Wetlands • Marshes • Primary vegetation is herbaceous • Western end of Noxontown Pond • What herbivores and carnivores are likely here?
  • 7. Freshwater Wetlands • Marshes • Primary vegetation is herbaceous • Western end of Noxontown Pond • What herbivores and carnivores are likely here?
  • 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. 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. 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. 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. 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. Marine Wetlands • Tidal Influence • Usually associated with estuaries • Temperate and Tropical • High NPP; rapid cycling of nutrients
  • 14. Marine Wetlands • Tidal Influence • Usually associated with estuaries • Temperate and Tropical • High NPP; rapid cycling of nutrients
  • 15. Delaware Salt Marshes • Appoquinimink River tidal basin (other side of spillway) & Bombay Hook • Do salt marshes have advantages over freshwater marshes?
  • 16. Delaware Salt Marshes • Appoquinimink River tidal basin (other side of spillway) & Bombay Hook • Do salt marshes have advantages over freshwater marshes?
  • 17. Delaware Salt Marshes • Appoquinimink River tidal basin (other side of spillway) & Bombay Hook • Do salt marshes have advantages over freshwater marshes?
  • 18. Delaware Salt Marshes • Appoquinimink River tidal basin (other side of spillway) & Bombay Hook • Do salt marshes have advantages over freshwater marshes?
  • 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. 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. 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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