Chome Catchment Forest Reserve

Location:Tanzania
IUCN Category:IV
Area:34,897 acres (14,122 hectares)
Species:All  Endangered  Invasive
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Aw (Climate: equatorial; Precipitation: winter dry)

Ecoregions

Eastern Arc forests

Soils

Protected Area Boundary
 A
  
Share25 %20 %15 %15 %25 %
Soil TypeHumic AcrisolsFerric LixisolsHumic NitisolsRhodic FerralsolsEutric Leptosols
Topsoil TextureMediumMediumFineFineMedium
Reference Depth100 cm100 cm100 cm100 cm30 cm
DrainageModerately wellModerately wellModerately wellModerately wellImperfectly
Available Water Capacity150 m150 m150 m150 m50 mm
Topsoil Properties
Gravel0 %0 %1 %0 %10 %
Sand62 %47 %24 %31 %24 %
Silt19 %23 %27 %6 %46 %
Clay19 %30 %49 %63 %30 %
USDA TextureSandy loamSandy clay loamClayClay (heavy)Clay loam
Reference Bulk Density1.45 g/cm³1.36 g/cm³1.24 g/cm³1.22 g/cm³1.31 g/cm³
Bulk Density1.31 g/cm³1.39 g/cm³1.18 g/cm³1.2 g/cm³1.33 g/cm³
Organic Carbon1.38 %1.06 %2.45 %0.98 %2.64 %
PH6.46.45.35.35.8
Clay Cation Exchange Capacity16 cmol kg⁻¹16 cmol kg⁻¹21 cmol kg⁻¹11 cmol kg⁻¹13 cmol kg⁻¹
Soil Cation Exchange Capacity9 cmol kg⁻¹15 cmol kg⁻¹20 cmol kg⁻¹10 cmol kg⁻¹13 cmol kg⁻¹
Base Saturation79 %80 %27 %24 %88 %
Total Exchangeable Bases7.1 cmol kg⁻¹12 cmol kg⁻¹5.4 cmol kg⁻¹2.4 cmol kg⁻¹11.4 cmol kg⁻¹
Calcium Carbonate0.7 %0.5 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %
Exchangeable Sodium1 %1 %1 %1 %1 %
Electrical Conductivity0.1 dS m-10 dS m-10 dS m-10 dS m-10 dS m-1
Subsoil Properties
Gravel0 %0 %1 %0 % 
Sand49 %50 %18 %31 % 
Silt17 %17 %21 %6 % 
Clay34 %33 %61 %63 % 
USDA TextureSandy clay loamSandy clay loamClay (heavy)Clay (heavy) 
Reference Bulk Density1.34 g/cm³1.35 g/cm³1.2 g/cm³1.22 g/cm³ 
Bulk Density1.3 g/cm³1.43 g/cm³1.25 g/cm³1.16 g/cm³ 
Organic Carbon0.41 %0.65 %0.96 %0.37 % 
PH56.45.45.4 
Clay Cation Exchange Capacity16 cmol kg⁻¹16 cmol kg⁻¹16 cmol kg⁻¹11 cmol kg⁻¹ 
Soil Cation Exchange Capacity7 cmol kg⁻¹18 cmol kg⁻¹20 cmol kg⁻¹8 cmol kg⁻¹ 
Base Saturation32 %82 %29 %29 % 
Total Exchangeable Bases2.2 cmol kg⁻¹14.8 cmol kg⁻¹5.8 cmol kg⁻¹2.3 cmol kg⁻¹ 
Calcium Carbonate0 %0.5 %0 %0 % 
Calcium Sulphate0 %0 %0 %0 % 
Exchangeable Sodium1 %2 %1 %1 % 
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