Horseshoe Bend National Military Park

Location:Alabama, United States
IUCN Category:V
Area:1,926 acres (779 hectares)
Species:All  Endangered  Invasive
Website:View website
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Cfa (Climate: warm temperate; Precipitation: fully humid; Temperature: hot summer)

Ecoregions

Appalachian mixed mesophytic forests
Southeastern mixed forests

Soils

Protected Area Boundary
 A
  
Share80 %10 %10 %
Soil TypeOrthic AcrisolsDystric NitosolsFluvisols
Topsoil TextureMediumMediumMedium
Reference Depth100 cm100 cm100 cm
DrainageModerately wellModerately wellPoor
Available Water Capacity150 m150 m150 m
Topsoil Properties
Gravel10 %11 %4 %
Sand49 %44 %39 %
Silt27 %33 %41 %
Clay24 %23 %20 %
USDA TextureSandy clay loamLoamLoam
Reference Bulk Density1.4 g/cm³1.39 g/cm³1.41 g/cm³
Bulk Density1.4 g/cm³1.35 g/cm³1.36 g/cm³
Organic Carbon1 %0.99 %0.8 %
PH4.64.97.7
Clay Cation Exchange Capacity16 cmol kg⁻¹20 cmol kg⁻¹53 cmol kg⁻¹
Soil Cation Exchange Capacity7 cmol kg⁻¹9 cmol kg⁻¹14 cmol kg⁻¹
Base Saturation44 %51 %93 %
Total Exchangeable Bases3.5 cmol kg⁻¹3.1 cmol kg⁻¹13.5 cmol kg⁻¹
Calcium Carbonate0 %0 %1 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium1 %1 %2 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel10 %26 %8 %
Sand40 %35 %41 %
Silt24 %24 %39 %
Clay36 %41 %20 %
USDA TextureClay loamClayLoam
Reference Bulk Density1.32 g/cm³1.29 g/cm³1.41 g/cm³
Bulk Density1.4 g/cm³1.53 g/cm³1.39 g/cm³
Organic Carbon0.42 %0.38 %0.4 %
PH4.857.9
Clay Cation Exchange Capacity14 cmol kg⁻¹18 cmol kg⁻¹56 cmol kg⁻¹
Soil Cation Exchange Capacity6 cmol kg⁻¹8 cmol kg⁻¹12 cmol kg⁻¹
Base Saturation32 %28 %99 %
Total Exchangeable Bases2.3 cmol kg⁻¹4.7 cmol kg⁻¹13.7 cmol kg⁻¹
Calcium Carbonate0 %0 %3.4 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium2 %1 %3 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-1
Soil data provided by FAO/IIASA/ISRIC/ISSCAS/JRC, 2012. Harmonized World Soil Database (version 1.2). FAO, Rome, Italy and IIASA, Laxenburg, Austria.
Köppen climate classification provided by Kottek, M., J. Grieser, C. Beck, B. Rudolf, and F. Rubel, 2006: World Map of Köppen-Geiger Climate Classification updated. Meteorol. Z., 15, 259-263