|Elklick Woodlands Natural Area Preserve|
IUCN category V (protected landscape/seascape)
|Location||Fairfax County, Virginia|
ELKLICK WOODLANDS NATURAL AREA PRESERVE Latitude and Longitude:
|Area||226 acres (91 ha)|
|Governing body||Fairfax County Park Authority|
Elklick Woodlands Natural Area Preserve is a 226-acre (91 ha) Natural Area Preserve located in Fairfax County, Virginia. Owned by the Fairfax County Park Authority, it is protected with a local conservation easement, and preserves a globally rare natural community known as a "northern hardpan basic oak-hickory forest". This kind of forest occurs on diabase soil with an underlay of dense plastic clay; such terrain is called "shrink-swell soil" due to extreme variations in moisture availability exhibited throughout the year. Trees which grow in such an environment are stunted, and their relatively open canopies encourage the growth of a wide variety of grasses and herbs in the understory. Such forests were once common around northern Virginia, but many have been lost due to increasing suburbanization of the area. 
The forest found within Elklick Woodlands Natural Area Preserve is one of the most diverse upland forests types in Virginia. The forest's overstory is composed of several species of oaks (particularly white oak) and hickories (particularly pignut hickory); other canopy trees include white ash, tulip poplar, eastern red cedar, and Virginia pine. These trees are somewhat stunted and reach heights that are, on average, about 20 feet (6.1 m) shorter than typical forest trees in the region. The understory contains redbud, ironwood, flowering dogwood, and hawthorn. 
The preserve is owned and maintained by the Fairfax County Park Authority. It does not include improvements for public access, and visitors must make arrangements with the Fairfax County Park Authority prior to visiting.  The preserve is part of a larger tract of county-owned parkland known as the Elklick Preserve. It is continuous with other county-owned and privately conserved greenspace, as well as the nearby Manassas National Battlefield Park. 
- "Elklick Woodlands". ProtectedPlanet. United Nations Environment Programme's World Conservation Monitoring Centre. Retrieved December 18, 2016.
- "Elklick Woodlands Natural Area Preserve". Virginia Department of Conservation and Recreation. Retrieved December 18, 2016.
- Lardner/Klein Landscape Architects, P.C.; Environmental Systems Analysis, Inc. (June 2009). Elklick Woodlands Natural Area Preserve Natural Resource Management Plan (PDF). Fairfax County Park Authority. pp. 1–3. Retrieved December 18, 2016.
- Fairfax County Park Authority: Elklick Woodlands Natural Area Preserve
- Virginia Department of Conservation and Recreation: Elklick Woodlands Natural Area Preserve
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