Ecosystems of South Carolina

South Carolina's 32,000 sq mi span five physiographic provinces, creating a mosaic of ecosystems from mountains to sea.

Major Ecosystems

🌲 Temperate Forests (Piedmont & Mountains)

• Types: Oak-hickory, cove hardwood, pine-oak, montane spruce-fir (highest peaks).
• Key species: White-tailed deer, gray squirrel, raccoon, wild turkey, black bear (mountains), red-bellied woodpecker, salamanders (world's highest diversity).
• Protected: Sumter National Forest, Jocassee Gorges, Mountain Bridge Wilderness.

🌊 Wetlands (Coastal Plain)

• Bottomland hardwood swamps: Congaree National Park (largest intact old-growth floodplain forest in US).
• Cypress-tupelo swamps: Francis Beidler Forest, Savannah River floodplain.
• Carolina Bays: Elliptical depression wetlands (peaty, acidic)—unique to region.
• Fauna: Prothonotary warbler, wood duck, alligator, cottonmouth, amphibians.

🏖️ Beaches & Dunes (Barrier Islands)

• Dynamic sandy shores: Myrtle Beach, Hilton Head, Kiawah, Isle of Palms.
• Dune vegetation: Sea oats, bitter panicum, beach morning glory.
• Nesting: Loggerhead sea turtles, least terns, Wilson's plovers.

🌿 Salt Marshes (Estuaries)

• Spartina alterniflora (smooth cordgrass) dominates—highly productive nursery.
• Species: Blue crab, shrimp, oysters, red drum, spotted seatrout, diamondback terrapin, fiddler crabs.
• ACE Basin, Cape Romain, North Inlet-Winyah Bay NERRs protect vast acreage.

🌾 Longleaf Pine Savannas (Historical / Restored)

• Once 90M ac across SE; now <3M. Fire-dependent, high biodiversity (red-cockaded woodpecker, gopher tortoise, pitcher plants).
• Restoration: Francis Marion NF, Sandhills NWR, private lands.

Threats & Conservation

• Development, sea-level rise, invasive species (cogongrass, tegus), pollution, fire suppression.
• SCDNR, TNC, Audubon, land trusts active in protection.