Friends of Dyke Marsh is a volunteer group dedicated to preserving, restoring and enhancing Dyke Marsh, a freshwater tidal marsh in Fairfax County on the Potomac River just south of Alexandria, Virginia. The Dyke Marsh Wildlife Preserve is administered by the National Park Service.

What Is Dyke Marsh?

The Dyke Marsh Wildlife Preserve is a freshwater, tidal marsh on the Virginia side of the Potomac River in Fairfax County. It is a unit of the George Washington Memorial Parkway, U.S. National Park Service. For more information, visit the NPS website at www.nps.gov/gwmp.

Getting the Real Story on Bats

On October 26, 2022, bat educator Deborah Hammer gave an online presentation on bats, dispensing bat facts and dispelling bat folklore. Deborah is a board member of both FODM and Bat Conservation and Rescue of Virginia.

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Fall Colors Bring Cheer

 

Though the October 24, 2022, sky was overcast, fall’s colors cheered 22 enthusiasts on a walk led by Margaret Chatham and Alan Ford with the Potowmack Chapter of the Virginia Native Plant Society.

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Fall Plants Intrigue FODMers

Twenty FODMers delighted in studying the plants of the preserve on a walk led by Dr. Elizabeth Wells on September 17, 2022. Many plants were dropping or ready to drop their seeds to start the next generation.

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An FODM Ecology Walk

On June 25, 2022, ecologist Charles Smith led a walk for 20 members of the Friends of Dyke Marsh along the Dyke Marsh Haul Road trail. He explained that Dyke Marsh is in the coastal plain, a geologic region with gravel deposits, unlike the Piedmont which has many rock formations. Dyke Marsh, a freshwater tidal wetland, has two three-foot tides a day, on average.

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FODM Recognizes Volunteers

On June 19, 2022, the Friends of Dyke Marsh held an event to express appreciation to the organization's many dedicated volunteers. Here is an article about the event from the June 23, 2022 Mount Vernon Gazette/Connection newspaper. By Glenda C. Booth

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Awed by Owls

Many people have been captivated by owls in Dyke Marsh this spring. Several people have confirmed a barred owl (Strix varia) pair raising two young and a great horned owl pair (Bubo virginianus) with one young. It’s parenting at its best.

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Curbing Plastic Pollution

Plastic Bottles

From plastic bottles to plastic straws, fishing lines, clothing, carpets and diapers, plastic in the environment is ubiquitous. Sarah Kollar from Ocean Conservancy and Kurt Moser from the Four Mile Run Conservatory Foundation discussed both the challenges of and solutions to plastic pollution in presentations at a May 19, 2022, FODM meeting. 

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