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The Sandhills or Carolina Sandhills is a 10-35 mi wide
physiographic region Physiographic regions of the world are a means of defining Earth's landforms into distinct regions, based upon the classic three-tiered approach by Nevin M. Fenneman in 1916, that separates landforms into physiographic divisions, physiographic pr ...
within the U.S.
Atlantic Coastal Plain The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth#Surface, Earth's surface and about 29% of its water surface area. It is known to separate the "Old World" of Afr ...
province, along the updip (inland) margin of this province in the States of
North Carolina North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia and So ...
,
South Carolina )''Animis opibusque parati'' ( for, , Latin, Prepared in mind and resources, links=no) , anthem = " Carolina";" South Carolina On My Mind" , Former = Province of South Carolina , seat = Columbia , LargestCity = Charleston , LargestMetro = ...
, and
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...
. The extent of the Carolina Sandhills is shown in maps of the
ecoregion An ecoregion (ecological region) or ecozone (ecological zone) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm. Ecoregions cover relatively large areas of l ...
s of North Carolina, South Carolina, and Georgia.


Geology

The unconsolidated sand of the Carolina Sandhills is mapped as the
Quaternary The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.58 million years ...
Pinehurst Formation, and is interpreted as eolian (wind-blown) sand sheets and dunes that were mobilized episodically from approximately 75,000 to 6,000 years ago. Most of the published luminescence ages from the sand are coincident with the last
glaciation A glacial period (alternatively glacial or glaciation) is an interval of time (thousands of years) within an ice age that is marked by colder temperatures and glacier advances. Interglacials, on the other hand, are periods of warmer climate betw ...
, a time when the southeastern United States was characterized by colder air temperatures, stronger winds, and less vegetation. The Carolina Sandhills region also contains
outcrop An outcrop or rocky outcrop is a visible exposure of bedrock or ancient superficial deposits on the surface of the Earth. Features Outcrops do not cover the majority of the Earth's land surface because in most places the bedrock or superficial ...
s of
Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of th ...
-age (~100 million years old) strata of sand, sandstone, and clay that are interpreted as fluvial (river) deposits. These Cretaceous strata are thought to be the source of the sand of the Pinehurst Formation. In South Carolina and North Carolina, these Cretaceous strata are mapped as the Middendorf Formation. A notable hill of these Cretaceous strata is Sugarloaf Mountain, which is located within the Sand Hills State Forest in Chesterfield County, South Carolina.


Soils

The soils of the Carolina Sandhills are very sandy. According to soil surveys of the U.S. Department of Agriculture, many soils of the Carolina Sandhills are mapped as the Alpin sand or Candor sand.


Vegetation

The Carolina Sandhills region is characterized by
xeric Deserts and xeric shrublands are a biome defined by the World Wide Fund for Nature. Deserts and xeric (ancient Greek xērós, “dry") shrublands form the largest terrestrial biome, covering 19% of Earth's land surface area. Ecoregions in this h ...
sand community vegetation dominated by
pine A pine is any conifer tree or shrub in the genus ''Pinus'' () of the family Pinaceae. ''Pinus'' is the sole genus in the subfamily Pinoideae. The World Flora Online created by the Royal Botanic Gardens, Kew and Missouri Botanical Garden accep ...
trees, which caused it to formerly be known as Carolina and Georgia's Piney Woods. Much of the Carolina Sandhills is known for an ecosystem of
longleaf pine The longleaf pine (''Pinus palustris'') is a pine species native to the Southeastern United States, found along the coastal plain from East Texas to southern Virginia, extending into northern and central Florida. In this area it is also known as ...
(''Pinus palustris'') and
wiregrass Wiregrass is a common name for several plants Wiregrass may refer to: * Poaceae grasses ** ''Aristida'' (three-awns), especially ''Aristida stricta'' (Pineland Three-awn), '' Aristida junciformis'' and ''Aristida purpurea'' (Purple Three-awn), of ...
(''Aristida stricta''). This ecosystem is maintained by frequent low-intensity fires that facilitate the reproduction of the trees, wiregrass, and associated plants. This ecosystem once formed one of the more extensive ecosystems in North America, and longleaf pine was once the dominant tree that covered ~60% of the
Atlantic Coastal Plain The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth#Surface, Earth's surface and about 29% of its water surface area. It is known to separate the "Old World" of Afr ...
and Gulf of Mexico Coastal Plain. Today, however, only about 1% of this region supports longleaf pine.


Wildlife

More than 30 plant and animal species associated with the longleaf pine ecosystem are listed as threatened or endangered, and many of these species require interactions with the longleaf pine and with frequent low-intensity fires. The most famous endangered species of the Carolina Sandhills is probably the
red-cockaded woodpecker The red-cockaded woodpecker (''Leuconotopicus borealis'') is a woodpecker endemic to the southeastern United States. Description The red-cockaded woodpecker is small to mid-sized species, being intermediate in size between North America's two ...
(''Picoides borealis''), which prefers to excavate nesting and roosting cavities in living trees of longleaf pine that are 80–120 years old. Another rare species that can be found is the
Pine Barrens tree frog The Pine Barrens tree frog (''Dryophytes andersonii'') is a species of New World tree frog. It is becoming rare due to habitat loss. Physical characteristics ''Dryophytes andersonii'', only about long, is one of the smaller species of tree fro ...
, which are tolerant of low pH levels and often lay eggs in shallow, acidic ponds. The species can only be found in the Carolina Sandhills, Southern Alabama/Florida panhandle and the closely related ecosystem
New Jersey Pine Barrens The New Jersey Pine Barrens, also known as the Pinelands or simply the Pines, is the largest remaining example of the Atlantic coastal pine barrens ecosystem, stretching across more than seven counties of New Jersey. Two other large, contiguou ...
. ''Dryophytes andersonii'' is also the
state amphibian This is a list of official U.S. state, federal district, and territory amphibians. State amphibians are designated by tradition or the respective state legislatures.
of North Carolina.


Human history

Sand Hills cottage architecture Sand Hills cottage architecture is a modified form of Greek Revival architecture which developed in the Sand Hills area of the U.S. state of Georgia. The form has symmetry, wide entablatures, and classic columns of the Greek Revival style. It ...
is a style that developed in this area in the early to mid-1800s; it is a modified form of Greek Revival architecture. The people of the 'Piney Woods' that once covered the Sandhills and
Inner Banks The Inner Banks is a neologism made up by developers and tourism promoters to describe the inland coastal region of eastern North Carolina. Without historical precedent, the term "Inner Banks" is an early 21st-century construct that is part of a ...
were known as "Goobers" around the time of the
Civil War A civil war or intrastate war is a war between organized groups within the same state (or country). The aim of one side may be to take control of the country or a region, to achieve independence for a region, or to change government policies ...
..


Preservation

The
Carolina Sandhills National Wildlife Refuge The Carolina Sandhills National Wildlife Refuge is a national wildlife refuge (NWR) located in Chesterfield County, South Carolina. The refuge is managed by the U.S. Fish and Wildlife Service from a headquarters located in McBee, South Carolina. ...
in northeastern
South Carolina )''Animis opibusque parati'' ( for, , Latin, Prepared in mind and resources, links=no) , anthem = " Carolina";" South Carolina On My Mind" , Former = Province of South Carolina , seat = Columbia , LargestCity = Charleston , LargestMetro = ...
attempts to preserve a fraction of the original Sandhills longleaf pine
ecosystem An ecosystem (or ecological system) consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows. Energy enters the syste ...
. The refuge is located in Chesterfield County near McBee.


References


External links


Aspects of NC Climate--Carolina Sandhills
€”accessed 19 March 2007
Carolina Sandhills National Wildlife Refuge
€”accessed 19 March 2007
Carolina Sandhills National Wildlife Refuge (Brochure)
€”accessed 19 March 2007

€”accessed 19 March 2007

€”accessed 19 March 2007

€”accessed 19 March 2007

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Nature Conservancy The Nature Conservancy (TNC) is a global environmental organization headquartered in Arlington, Virginia. it works via affiliates or branches in 79 countries and territories, as well as across every state in the US. Founded in 1951, The Natu ...
—accessed 19 March 2007
Sandhills Fact Sheet
€”Savannah River Ecology Laboratory—accessed 19 March 2007
South Carolina Department of Environmental Resources
€”Sandhills Ecoregion Terrestrial Habitat—accessed 19 March 2007. {{coord missing, North Carolina Regions of North Carolina Regions of South Carolina