65 



Steele Bayou (Site 3) 



Location (Yazoo River Basin) - This site is located in the Yazoo 

 National Wildlife Refuge, 6.4 km northeast of Glen Allen in Washington 

 County, Mississippi. Reference USGS map, Percy, Mississippi, N3300- 

 W9052.5/7.5, 1967. 



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

 gauge on the bridge over Steele Bayou 6.4 km south of Grace, Missis- 

 sippi. Slope correction from gauge datum to study site was determined 

 by a water surface profile. 



General vegetation - Plant communities ranged from a Salix nigra- 

 Taxodium distichum community at lower elevations to a Sassafrass 

 albidum-Liquidambar styraciflua-Quercus nigra community at the highest 

 elevation. Intermediate communities are dominated by Planera aquatica , 

 Forestiera acuminata, Quercus lyrata , Carya aquatica , Fraxinus pennsyl- 

 vanica, Celt is laevigata , Acer negundo , and Ulmus americana. 



Soils and climate - Soil series range from Sharkey at the lowest eleva- 

 tions to Dundee at the higher elevations. Average annual rainfall in 

 the area is 132 cm and the average growing season is 213 days. 



Delineated zones - Zones 2 through 6 were delineated for study at this 

 site . 



