The Sandhills is a region in the interior of the
U.S. states of
North Carolina and
South Carolina. It is a strip of ancient beach
dunes which generally divides the
Piedmont from the
coastal plain, and is the evidence of a former coastline when the ocean level was higher, or the land lower. The beach deposits were formed principally during the
Miocene Epoch, circa 20 million years ago. Typical beach fossils are found along the front edges. The coastal plain is terraced from other ocean levels, but none appear to have been so long-lasting, so as to build up dunes of this size.
Vegetation
Because they are predominantly porous, sandy soils, the area tends to be droughty and irrigation is required for
agriculture. Some areas are noted for
peach production, primarily because peaches need a well drained soil.
Prior to agricultural use, most of the Sandhills were forested with
Longleaf Pine,
Loblolly Pine,
Turkey oak, and
Blackjack oak. In areas of extreme drainage, the forests are visibly scrubby. Oaks increase under conditions of
wildfire exclusion, whereas Longleaf Pine will dominate under a regime of frequent fires. Understory vegetation is of plants that are well adapted to droughty conditions, as well as the frequent lightning-induced fires typical of the region. Wiregrass (
Aristida spp.) is frequently extensive in the understory.
Carnivorous plants, especially
pitcher plants, often occur in the herb layer.
Wildlife
Notable vertebrate species of the Carolina Sandhills...
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