Archipiélago Los Roques National Park

Location:Venezuela
Area:409,203 acres (165,598 hectares)
Species:All  Endangered  Invasive
Website:View website
Ramsar Sites Information Service:View Data Sheet

Ecoregions

Amazon-Orinoco-Southern Caribbean mangroves

Soils

Link to Map
Protected Area Boundary
 A
  
Share55 %25 %20 %
Soil TypeCalcaric CambisolsHaplic LuvisolsEutric Gleysols
Topsoil TextureMediumMediumMedium
Reference Depth100 cm100 cm100 cm
DrainageModerately wellModerately wellPoor
Available Water Capacity150 m150 m150 m
Topsoil Properties
Gravel49 %0 %0 %
Sand39 %40 %48 %
Silt37 %36 %30 %
Clay24 %24 %22 %
USDA TextureLoamLoamLoam
Reference Bulk Density1.37 g/cm³1.38 g/cm³1.4 g/cm³
Bulk Density1.4 g/cm³1.41 g/cm³1.44 g/cm³
Organic Carbon0.43 %0.73 %0.83 %
PH7.26.37.2
Clay Cation Exchange Capacity45 cmol kg⁻¹35 cmol kg⁻¹36 cmol kg⁻¹
Soil Cation Exchange Capacity11 cmol kg⁻¹11 cmol kg⁻¹11 cmol kg⁻¹
Base Saturation100 %88 %86 %
Total Exchangeable Bases11 cmol kg⁻¹9.7 cmol kg⁻¹9.5 cmol kg⁻¹
Calcium Carbonate4.3 %0 %0.6 %
Calcium Sulphate0.4 %0 %0.1 %
Exchangeable Sodium1 %1 %2 %
Electrical Conductivity0.3 dS m-10 dS m-10.1 dS m-1
Subsoil Properties
Gravel60 %0 %0 %
Sand49 %43 %61 %
Silt32 %29 %16 %
Clay19 %28 %23 %
USDA TextureLoamClay loamSandy clay loam
Reference Bulk Density1.43 g/cm³1.36 g/cm³1.42 g/cm³
Bulk Density1.48 g/cm³1.42 g/cm³1.49 g/cm³
Organic Carbon0.59 %0.27 %0.31 %
PH7.16.47.4
Clay Cation Exchange Capacity53 cmol kg⁻¹32 cmol kg⁻¹28 cmol kg⁻¹
Soil Cation Exchange Capacity11 cmol kg⁻¹10 cmol kg⁻¹7 cmol kg⁻¹
Base Saturation100 %91 %95 %
Total Exchangeable Bases11 cmol kg⁻¹9.1 cmol kg⁻¹6.7 cmol kg⁻¹
Calcium Carbonate6.1 %0.2 %1.8 %
Calcium Sulphate1.1 %0.1 %0.1 %
Exchangeable Sodium1 %1 %3 %
Electrical Conductivity0.3 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.