Piedras Blancas National Park

Location:Costa Rica
IUCN Category:II
Area:34,735 acres (14,057 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

Isthmian-Pacific moist forests
Southern Mesoamerican Pacific mangroves

Soils

Link to Map
Protected Area Boundary
 AB
   
Share50 %50 %50 %25 %25 %
Soil TypeHumic NitisolsHaplic AcrisolsHumic NitisolsDystric GleysolsFerralic Cambisols
Topsoil TextureFineMediumFineMediumMedium
Reference Depth100 cm100 cm100 cm100 cm100 cm
DrainageModerately wellModerately wellModerately wellPoorModerately well
Available Water Capacity150 m150 m150 m150 m150 m
Topsoil Properties
Gravel1 %1 %1 %1 %1 %
Sand24 %57 %24 %37 %44 %
Silt27 %19 %27 %31 %22 %
Clay49 %24 %49 %32 %34 %
USDA TextureClaySandy clay loamClayClay loamClay loam
Reference Bulk Density1.24 g/cm³1.41 g/cm³1.24 g/cm³1.33 g/cm³1.33 g/cm³
Bulk Density1.18 g/cm³1.4 g/cm³1.18 g/cm³1.27 g/cm³1.32 g/cm³
Organic Carbon2.45 %0.8 %2.45 %1.26 %1.02 %
PH5.35.15.354.9
Clay Cation Exchange Capacity21 cmol kg⁻¹11 cmol kg⁻¹21 cmol kg⁻¹24 cmol kg⁻¹8 cmol kg⁻¹
Soil Cation Exchange Capacity20 cmol kg⁻¹5 cmol kg⁻¹20 cmol kg⁻¹12 cmol kg⁻¹6 cmol kg⁻¹
Base Saturation27 %51 %27 %45 %39 %
Total Exchangeable Bases5.4 cmol kg⁻¹2.6 cmol kg⁻¹5.4 cmol kg⁻¹5.4 cmol kg⁻¹2.3 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %
Exchangeable Sodium1 %2 %1 %2 %2 %
Electrical Conductivity0 dS m-10 dS m-10 dS m-10 dS m-10 dS m-1
Subsoil Properties
Gravel1 %1 %1 %1 %1 %
Sand18 %48 %18 %36 %41 %
Silt21 %17 %21 %27 %22 %
Clay61 %35 %61 %37 %37 %
USDA TextureClay (heavy)Sandy clayClay (heavy)Clay loamClay loam
Reference Bulk Density1.2 g/cm³1.34 g/cm³1.2 g/cm³1.3 g/cm³1.31 g/cm³
Bulk Density1.25 g/cm³1.4 g/cm³1.25 g/cm³1.3 g/cm³1.3 g/cm³
Organic Carbon0.96 %0.36 %0.96 %0.38 %0.36 %
PH5.455.455
Clay Cation Exchange Capacity16 cmol kg⁻¹10 cmol kg⁻¹16 cmol kg⁻¹22 cmol kg⁻¹10 cmol kg⁻¹
Soil Cation Exchange Capacity20 cmol kg⁻¹5 cmol kg⁻¹20 cmol kg⁻¹9 cmol kg⁻¹5 cmol kg⁻¹
Base Saturation29 %35 %29 %47 %49 %
Total Exchangeable Bases5.8 cmol kg⁻¹1.8 cmol kg⁻¹5.8 cmol kg⁻¹4.2 cmol kg⁻¹2.5 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %
Exchangeable Sodium1 %2 %1 %1 %2 %
Electrical Conductivity0 dS m-10 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