Riparian Zones
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Transcript of Riparian Zones
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Riparian Zones
A riparian zone is a vegetated area (a "buffer strip") near a stream which helps shade and partially protect a stream from the impact of adjacent land uses.
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Zone 1. Large Native trees provide shade and bank stabilization
Zone 2. Native shrubs, this zone provides habitat for wildlife. Absorbs contaminants.
Zone 3. First line of defense against contaminants. Mostly of native grasses; slows water runoff.
•Streambed Zone. Fallen limbs, trees, and tree roots; slows water flow, reduces erosion. Woody debris increases habitat and cover aquatic species.
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Riparian Zone Environmental BenefitsWater Quality
• Intercepting sediment/ nutrients from fertilizers• Intercepting pesticides and other materials in surface
runoff • Bank stabilization
Habitat benefits
• Provide habitat• Increase biodiversity• Buffers acting as wildlife corridors• Shading water
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Economic benefits
• Increase land value -• Produce profitable alternative crops – nut
crops• Increase lease fees for hunting
Riparian Zone Environmental Benefits
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Native Riparian Plants
Cattails
Can be very aggressive.
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Sedges
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Box Elder or Ashleaf Maple
Silver Maple
Trees “water-loving” species
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Sycamore
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Willows
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Elms
Cottonwood
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Buckeye
Spice bush
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Cardinal Flower
Blue Lobelia
Edge Plants
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Bidens - Sticktights
Swamp Mallow
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Swamp Milkweed
Button Bush
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Virginia Bell Flower
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Spotted Jewelweed or Touch-me-not.Also a yellow species. Good remedy for the next plant.
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Poison Ivy – leaflets 3, let it be. White berries.
Virginia Creeper – 5 leaflets – non poisonous (unless you eat it).
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Bush Honeysuckle
Japanese Honeysuckle
Riparian Invasive Plants – introduced plants that replace natives – often the predominant plants found in riparian zones
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Winter creeper
English IvyPeriwinkle
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Multiflora Rose
Garlic Mustard
Air Yam
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Japanese Knotweed
Burning Bush
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Questions to consider:
Why are native species more desirable than invasive species in riparian zones?
What can be done to remove invasive species from riparian zones?
What can be done to increase public awareness of the necessity of riparian zones along streams?
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