Palo Verde National Park

Location:Costa Rica
IUCN Category:II
Area:46,190 acres (18,693 hectares)
Species:All  Endangered  Invasive
Climate:View Climate Data
Land Use:View Land Use Data

Ecoregions

Central American dry forests
Southern Mesoamerican Pacific mangroves

Soils

Link to Map
Protected Area Boundary
 ABC
    
Share50 %50 %50 %25 %25 % 
Soil TypeEutric VertisolsHaplic KastanozemsThionic GleysolsEutric RegosolsEutric FluvisolsEutric Leptosols
Topsoil TextureFineMediumMediumMediumMediumMedium
Reference Depth100 cm100 cm100 cm100 cm100 cm30 cm
DrainagePoorModerately wellPoorModerately wellModerately wellImperfectly
Available Water Capacity125 m150 m150 m150 m150 m50 mm
Misc. PropertyVertic (cracks of more than 1 cm wide)     
Topsoil Properties
Gravel1 %1 %1 %23 %1 %31 %
Sand10 %30 %28 %69 %44 %50 %
Silt23 %38 %38 %19 %33 %30 %
Clay67 %32 %34 %12 %23 %20 %
USDA TextureClay (heavy)Clay loamClay loamSandy loamLoamLoam
Reference Bulk Density1.17 g/cm³1.31 g/cm³1.3 g/cm³1.53 g/cm³1.39 g/cm³1.42 g/cm³
Bulk Density1.75 g/cm³1.29 g/cm³1.29 g/cm³1.17 g/cm³1.33 g/cm³1.35 g/cm³
Organic Carbon1.04 %1.16 %2.26 %0.45 %0.73 %0.72 %
PH6.87.44.86.576.5
Clay Cation Exchange Capacity73 cmol kg⁻¹68 cmol kg⁻¹34 cmol kg⁻¹36 cmol kg⁻¹50 cmol kg⁻¹49 cmol kg⁻¹
Soil Cation Exchange Capacity53 cmol kg⁻¹25 cmol kg⁻¹19 cmol kg⁻¹6 cmol kg⁻¹14 cmol kg⁻¹12 cmol kg⁻¹
Base Saturation100 %99 %63 %88 %91 %87 %
Total Exchangeable Bases53 cmol kg⁻¹24.8 cmol kg⁻¹12 cmol kg⁻¹5.3 cmol kg⁻¹12.7 cmol kg⁻¹10.4 cmol kg⁻¹
Calcium Carbonate0.4 %4 %0 %0.3 %0.8 %0.2 %
Calcium Sulphate0.1 %0.1 %0 %0.1 %0.1 %0.1 %
Exchangeable Sodium1 %1 %2 %3 %2 %2 %
Electrical Conductivity0.2 dS m-10.6 dS m-10 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel1 %1 %1 %34 %1 % 
Sand10 %30 %23 %70 %46 % 
Silt21 %40 %38 %17 %31 % 
Clay69 %30 %39 %13 %23 % 
USDA TextureClay (heavy)Clay loamClay loamSandy loamLoam 
Reference Bulk Density1.16 g/cm³1.32 g/cm³1.27 g/cm³1.52 g/cm³1.39 g/cm³ 
Bulk Density1.94 g/cm³1.39 g/cm³1.43 g/cm³1.29 g/cm³1.4 g/cm³ 
Organic Carbon0.7 %0.46 %2.07 %0.21 %0.32 % 
PH7.77.85.36.87.3 
Clay Cation Exchange Capacity74 cmol kg⁻¹69 cmol kg⁻¹33 cmol kg⁻¹36 cmol kg⁻¹49 cmol kg⁻¹ 
Soil Cation Exchange Capacity53 cmol kg⁻¹22 cmol kg⁻¹20 cmol kg⁻¹5 cmol kg⁻¹13 cmol kg⁻¹ 
Base Saturation100 %100 %61 %81 %94 % 
Total Exchangeable Bases53 cmol kg⁻¹22 cmol kg⁻¹12.2 cmol kg⁻¹4.1 cmol kg⁻¹12.2 cmol kg⁻¹ 
Calcium Carbonate1.3 %6.5 %0 %0.3 %1.8 % 
Calcium Sulphate0.2 %0.3 %0 %0.1 %0.1 % 
Exchangeable Sodium2 %3 %2 %3 %2 % 
Electrical Conductivity0.2 dS m-11.6 dS m-10 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.