84 



Edisto River (Site 15) 



Location (Edisto River Basin) - This site is in Givhans Ferry State 

 Park, north and west of South Carolina Highway 61 bridge, 4.8 km west of 

 Givhans in Colleton County, South Carolina. Reference USGS map, Maple 

 Cane Swamp, South Carolina, N3300-W8022 . 5/7 . 5 , 1979. 



Hydrology data - Twenty years of hydrology data were analyzed for a 

 gauge on the South Carolina Highway 61 bridge adjacent to the site. No 

 slope correction was necessary at this site. 



General vegetation - Plant communities range from Taxodium distichum- 

 Nyssa aquatica-Fraxinus carol in i ana at lowest elevations to a Pinus 

 taeda-Quercus virginiana-Quercus nigra dominated community at highest 

 elevation. Species in communities at intermediate elevations include 

 Quercus lyrata , Quercus laurifolia , Planera aquatica , Liquidambar styra- 

 ciflua, Quercus nigra, and Carpinus caroliniana. 



Soils and climate - Soil series range from Osier at lowest elevations to 

 Chipley at highest elevations. The Torhunta soil series occurs at 

 intermediate elevations. Average annual rainfall is 132 cm, and the 

 average growing season is 213 days. 



Delineated zones - Zones 2, 3, 4, and 6 were delineated, but Zone 5 was 

 too narrow due to its topographic position. 



