Mbaracayú Biological Refuge

Location:Paraguay
IUCN Category:IV
Area:4,039 acres (1,635 hectares)
Species:All  Endangered  Invasive
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Cfa (Climate: warm temperate; Precipitation: fully humid; Temperature: hot summer)

Ecoregions

Alta Paraná Atlantic forests

Soils

Protected Area Boundary
 AB
   
Share70 %30 %45 %20 %20 %15 %
Soil TypeHaplic LixisolsRhodic FerralsolsCambic ArenosolsCalcaric CambisolsPlinthic AcrisolsEutric Gleysols
Topsoil TextureCoarseMediumCoarseMediumFineFine
Reference Depth100 cm100 cm100 cm100 cm100 cm100 cm
DrainageModerately wellModerately wellSomewhat excessiveModerately wellPoorVery poor
Available Water Capacity150 m150 m100 m150 m150 m150 m
Topsoil Properties
Gravel0 %0 %0 %0 %0 %0 %
Sand91 %77 %83 %28 %8 %15 %
Silt3 %2 %10 %37 %20 %35 %
Clay6 %21 %7 %35 %72 %50 %
USDA TextureSandSandy clay loamLoamy sandClay loamClay (heavy)Clay
Reference Bulk Density1.68 g/cm³1.47 g/cm³1.64 g/cm³1.3 g/cm³1.15 g/cm³1.22 g/cm³
Bulk Density1.49 g/cm³1.48 g/cm³1.56 g/cm³1.4 g/cm³1.41 g/cm³1.29 g/cm³
Organic Carbon0.3 %0.73 %0.43 %0.42 %1.47 %1.41 %
PH6.44.57.97.657.9
Clay Cation Exchange Capacity16 cmol kg⁻¹9 cmol kg⁻¹22 cmol kg⁻¹69 cmol kg⁻¹7 cmol kg⁻¹38 cmol kg⁻¹
Soil Cation Exchange Capacity3 cmol kg⁻¹4 cmol kg⁻¹3 cmol kg⁻¹21 cmol kg⁻¹10 cmol kg⁻¹24 cmol kg⁻¹
Base Saturation82 %11 %100 %100 %45 %100 %
Total Exchangeable Bases2.5 cmol kg⁻¹0.4 cmol kg⁻¹3 cmol kg⁻¹21 cmol kg⁻¹4.5 cmol kg⁻¹24 cmol kg⁻¹
Calcium Carbonate0.1 %0 %2 %5.4 %0 %2 %
Calcium Sulphate0 %0 %0.1 %0.4 %0 %0.1 %
Exchangeable Sodium0 %1 %2 %1 %2 %2 %
Electrical Conductivity0 dS m-10 dS m-10.1 dS m-10.2 dS m-10 dS m-10.1 dS m-1
Subsoil Properties
Gravel0 %0 %0 %0 %3 %0 %
Sand76 %73 %77 %28 %5 %10 %
Silt2 %2 %13 %39 %12 %39 %
Clay22 %25 %10 %33 %83 %51 %
USDA TextureSandy clay loamSandy clay loamSandy loamClay loamClay (heavy)Clay
Reference Bulk Density1.46 g/cm³1.43 g/cm³1.58 g/cm³1.31 g/cm³1.13 g/cm³1.21 g/cm³
Bulk Density1.47 g/cm³1.45 g/cm³1.59 g/cm³1.42 g/cm³1.47 g/cm³1.36 g/cm³
Organic Carbon0.18 %0.3 %0.26 %0.33 %0.85 %0.93 %
PH6.357.97.74.78.1
Clay Cation Exchange Capacity18 cmol kg⁻¹6 cmol kg⁻¹11 cmol kg⁻¹56 cmol kg⁻¹8 cmol kg⁻¹34 cmol kg⁻¹
Soil Cation Exchange Capacity5 cmol kg⁻¹3 cmol kg⁻¹2 cmol kg⁻¹19 cmol kg⁻¹9 cmol kg⁻¹20 cmol kg⁻¹
Base Saturation91 %15 %100 %100 %31 %100 %
Total Exchangeable Bases4.6 cmol kg⁻¹0.5 cmol kg⁻¹2 cmol kg⁻¹19 cmol kg⁻¹2.8 cmol kg⁻¹20 cmol kg⁻¹
Calcium Carbonate0.1 %0 %2 %7 %0 %2 %
Calcium Sulphate0 %0 %0.1 %1.1 %0 %0.1 %
Exchangeable Sodium0 %2 %5 %1 %2 %2 %
Electrical Conductivity0 dS m-10 dS m-10.1 dS m-10.3 dS m-10 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.
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