Southern Watershed Wildlife Sanctuary

Location:Trinidad and Tobago
Area:25,159 acres (10,181 hectares)
Species:All  Endangered  Invasive
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Am (Climate: equatorial; Precipitation: monsoonal)

Ecoregions

Trinidad and Tobago moist forests

Soils

Protected Area Boundary
 A
  
Share60 %20 %20 %
Soil TypeEutric GleysolsStagnic AlisolsEutric Gleysols
Topsoil TextureFineFineFine
Reference Depth100 cm100 cm100 cm
DrainageVery poorPoorVery poor
Available Water Capacity150 m150 m150 m
Topsoil Properties
Gravel0 %0 %0 %
Sand11 %45 %27 %
Silt9 %13 %17 %
Clay80 %42 %56 %
USDA TextureClay (heavy)ClayClay
Reference Bulk Density1.14 g/cm³1.3 g/cm³1.23 g/cm³
Bulk Density1.11 g/cm³1.4 g/cm³1.26 g/cm³
Organic Carbon2.73 %1.73 %1.17 %
PH5.44.66.1
Clay Cation Exchange Capacity27 cmol kg⁻¹21 cmol kg⁻¹33 cmol kg⁻¹
Soil Cation Exchange Capacity32 cmol kg⁻¹15 cmol kg⁻¹23 cmol kg⁻¹
Base Saturation80 %42 %82 %
Total Exchangeable Bases25.6 cmol kg⁻¹6.3 cmol kg⁻¹18.9 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium2 %1 %2 %
Electrical Conductivity0 dS m-10 dS m-10 dS m-1
Subsoil Properties
Gravel0 %0 %0 %
Sand19 %43 %19 %
Silt15 %11 %15 %
Clay66 %46 %66 %
USDA TextureClay (heavy)ClayClay (heavy)
Reference Bulk Density1.19 g/cm³1.29 g/cm³1.19 g/cm³
Bulk Density1.31 g/cm³1.51 g/cm³1.32 g/cm³
Organic Carbon0.52 %0.35 %0.52 %
PH64.96
Clay Cation Exchange Capacity32 cmol kg⁻¹30 cmol kg⁻¹32 cmol kg⁻¹
Soil Cation Exchange Capacity23 cmol kg⁻¹15 cmol kg⁻¹23 cmol kg⁻¹
Base Saturation89 %35 %89 %
Total Exchangeable Bases20.5 cmol kg⁻¹5.3 cmol kg⁻¹20.5 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium2 %1 %2 %
Electrical Conductivity0 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