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Colleen walker

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Colleen's presentation on Riparian ecosystems

Colleen's presentation on Riparian ecosystems


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Transcript

  • 1. The Riparian Ecosystem Colleen Walker
  • 2. Location
    • Every continent except Antarctica
    • Do not occupy specific elevations
    • U.S. has 274 million acres of riparian ecosystems
  • 3. Difficult to maintain
    • Wildlife are affected by several factors
      • Thermal pollution
      • Rural runoff (pesticides and herbicides)
      • Heavy metals
    • Eutropification
      • Potentially kills off an entire ecosystem at a time
  • 4. Common Animals
    • Bluegill
    • Western Painted Turtle
    • Minnow
    • American Mink
    • Cooper’s Hawk
    • Sandhill Crane
    • Lepomis macrochirus
    • Chrysemys picta
    • Pimephales notatus
    • Mustela vison
    • Accipiter cooperii
    • Grus canadensis
  • 5. Common Plants
    • Quaking Aspen
    • Eastern Cottonwood
    • American Sycamore
    • Sandbar Willow
    • Yellow Sweet Clover
    • Common Milkweed
    • Populus tremuloides
    • Populus deltoides
    • Platanus occidentalis
    • Salix exigua
    • Melilotus officinalis
    • Asclepias syriaca
    These plants are well-adapted to water’s edge, and these trees are rarely naturally found in places where water does not exist or did not at one time. The weeds are suited for growth wherever they can take root.
  • 6. Risks of Riparian Environment
    • Slower-moving waters encourage insect growth and habitat for small fish, but readily harbor water-borne illness
      • Cyclosporiasis
      • West Nile
      • Salmonella
      • Typhoid
      • SARS
      • Hepatitis A
  • 7. Benefits of Riparian Environment
    • Can buffer water, making it suitable for agriculture
    • Protects species’ food and water sources
    • Raises property value because of views and recreational opportunities
    • Increases biodiversity
  • 8. Preserving Riparian Ecosystem
    • Make human impact minimal by limiting fishing and disposal of waste to designated areas
    • Observe local ordinances regarding human impact
    • Stay educated by visiting Division of Wildlife or browsing the web for easy ways to keep Colorado’s riparian ecosystems healthy.