Serra dos Orgãos National Park

Location:Rio de Janeiro, Brazil
IUCN Category:II
Area:26,072 acres (10,551 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

Serra do Mar coastal forests

Soils

Protected Area Boundary
 A
  
Share35 %35 %30 %
Soil TypeFerralic CambisolsDystric LeptosolsHumic Ferralsols
Topsoil TextureFineFineFine
Reference Depth100 cm30 cm100 cm
DrainageModerately wellImperfectlyModerately well
Available Water Capacity150 m50 mm150 m
Topsoil Properties
Gravel0 %1 %1 %
Sand31 %1 %30 %
Silt27 %23 %18 %
Clay42 %76 %52 %
USDA TextureClayClay (heavy)Clay
Reference Bulk Density1.28 g/cm³1.13 g/cm³1.24 g/cm³
Bulk Density1.22 g/cm³1.46 g/cm³0.81 g/cm³
Organic Carbon0.73 %2.6 %4.2 %
PH4.74.44.6
Clay Cation Exchange Capacity18 cmol kg⁻¹19 cmol kg⁻¹8 cmol kg⁻¹
Soil Cation Exchange Capacity10 cmol kg⁻¹23 cmol kg⁻¹19 cmol kg⁻¹
Base Saturation45 %36 %7 %
Total Exchangeable Bases4.5 cmol kg⁻¹8.3 cmol kg⁻¹1.3 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium0 %2 %1 %
Electrical Conductivity0 dS m-10 dS m-10 dS m-1
Subsoil Properties
Gravel0 % 1 %
Sand32 % 29 %
Silt32 % 17 %
Clay36 % 54 %
USDA TextureClay loam Clay
Reference Bulk Density1.3 g/cm³ 1.24 g/cm³
Bulk Density1.27 g/cm³ 0.9 g/cm³
Organic Carbon0.28 % 3.28 %
PH4.9 4.7
Clay Cation Exchange Capacity16 cmol kg⁻¹ 6 cmol kg⁻¹
Soil Cation Exchange Capacity7 cmol kg⁻¹ 15 cmol kg⁻¹
Base Saturation45 % 21 %
Total Exchangeable Bases3.2 cmol kg⁻¹ 3.2 cmol kg⁻¹
Calcium Carbonate0 % 0 %
Calcium Sulphate0 % 0 %
Exchangeable Sodium0 % 2 %
Electrical Conductivity0 dS m-1 0 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