Reserve Floristique de Yangambi

Location:Democratic Republic of the Congo
IUCN Category:Ia
Area:183,742 acres (74,358 hectares)
Species:All  Endangered  Invasive
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Af (Climate: equatorial; Precipitation: fully humid)

Ecoregions

Northeastern Congolian lowland forests
Western Congolian swamp forests

Soils

Protected Area Boundary
 A
  
Share55 %15 %15 %15 %
Soil TypeXanthic FerralsolsHaplic AcrisolsHaplic AcrisolsDystric Cambisols
Topsoil TextureMediumMediumFineFine
Reference Depth100 cm100 cm100 cm100 cm
DrainageModerately wellModerately wellModerately wellModerately well
Available Water Capacity150 m150 m150 m150 m
Topsoil Properties
Gravel0 %7 %0 %0 %
Sand71 %56 %29 %2 %
Silt2 %19 %17 %38 %
Clay27 %25 %54 %60 %
USDA TextureSandy clay loamSandy clay loamClayClay (heavy)
Reference Bulk Density1.42 g/cm³1.4 g/cm³1.24 g/cm³1.17 g/cm³
Bulk Density1.32 g/cm³1.39 g/cm³1.39 g/cm³1.28 g/cm³
Organic Carbon0.93 %0.81 %0.83 %1.48 %
PH4.65.14.34.6
Clay Cation Exchange Capacity6 cmol kg⁻¹15 cmol kg⁻¹17 cmol kg⁻¹25 cmol kg⁻¹
Soil Cation Exchange Capacity4 cmol kg⁻¹6 cmol kg⁻¹11 cmol kg⁻¹19 cmol kg⁻¹
Base Saturation10 %39 %33 %29 %
Total Exchangeable Bases0.4 cmol kg⁻¹2.2 cmol kg⁻¹3.7 cmol kg⁻¹5.4 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %
Exchangeable Sodium3 %3 %3 %2 %
Electrical Conductivity0 dS m-10 dS m-10 dS m-10 dS m-1
Subsoil Properties
Gravel0 %9 %0 %0 %
Sand62 %47 %23 %1 %
Silt2 %17 %14 %38 %
Clay36 %36 %63 %61 %
USDA TextureSandy claySandy clayClay (heavy)Clay (heavy)
Reference Bulk Density1.36 g/cm³1.33 g/cm³1.2 g/cm³1.16 g/cm³
Bulk Density1.37 g/cm³1.4 g/cm³1.4 g/cm³1.32 g/cm³
Organic Carbon0.37 %0.35 %0.47 %0.37 %
PH4.554.54.8
Clay Cation Exchange Capacity10 cmol kg⁻¹11 cmol kg⁻¹18 cmol kg⁻¹38 cmol kg⁻¹
Soil Cation Exchange Capacity4 cmol kg⁻¹5 cmol kg⁻¹12 cmol kg⁻¹24 cmol kg⁻¹
Base Saturation8 %27 %23 %24 %
Total Exchangeable Bases0.4 cmol kg⁻¹1.4 cmol kg⁻¹2.8 cmol kg⁻¹5.6 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %
Exchangeable Sodium4 %3 %3 %3 %
Electrical Conductivity0 dS m-10 dS m-10 dS m-10 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