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Solution: Wetland Restoration
Wetland Restoration: Restoring a previously
drained wetland by filling ditches or removing or breaking tile drains.
How it Works
Where wetlands have been drained and farmed, subsurface and surface drains
are plugged or removed so water can refill the area. In other cases, low-lying
areas are scraped to form a shallow basin, and small dikes or embankments are
installed to establish and maintain water levels. Native wetland vegetation can
be planted to enhance existing plants. The wetland temporarily holds runoff
(reducing flooding downstream), and filters sediment, nutrients and chemicals
before the water recharges groundwater. America’s ducks and geese rely on
wetlands, as do hundreds of species of plants, amphibians and native birds.
Planning
- Consult local DNR and county zoning offices for necessary permits.
- Check with local NRCS offices
for soils information, and
design and construction standards.
- Make sure soils at the site will hold water.
- Consider whether plugging drains or breaking tile lines will have
adverse effects on other parts of your farm, neighboring farms or
established drainage districts.
- Exclude livestock from the area.
- Establish vegetative cover on embankments and spillways.
- Existing natural seed banks will sometimes regenerate native vegetation
in the wetland.
- Adjacent upland nesting cover greatly improves the value of wetlands for
wildlife.
Maintenance
- Replanting wetland vegetation may be needed until a good stand is
established.
- Control beavers and muskrats, and keep burrowing rodents out of dikes.
- Remove debris from pipe inlets and outlets.
- Inspect and repair pipes or water control structures.
More information about wetlands.
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Solutions
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