World Species : Protected Area : Archipiélago Los Roques National Park

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

— Protected Area Boundary

	A

Share	55 %	25 %	20 %
Soil Type	Calcaric Cambisols	Haplic Luvisols	Eutric Gleysols
Topsoil Texture	Medium	Medium	Medium
Reference Depth	100 cm	100 cm	100 cm
Drainage	Moderately well	Moderately well	Poor
Available Water Capacity	150 m	150 m	150 m
Topsoil Properties
Gravel	49 %	0 %	0 %
Sand	39 %	40 %	48 %
Silt	37 %	36 %	30 %
Clay	24 %	24 %	22 %
USDA Texture	Loam	Loam	Loam
Reference Bulk Density	1.37 g/cm³	1.38 g/cm³	1.4 g/cm³
Bulk Density	1.4 g/cm³	1.41 g/cm³	1.44 g/cm³
Organic Carbon	0.43 %	0.73 %	0.83 %
PH	7.2	6.3	7.2
Clay Cation Exchange Capacity	45 cmol kg⁻¹	35 cmol kg⁻¹	36 cmol kg⁻¹
Soil Cation Exchange Capacity	11 cmol kg⁻¹	11 cmol kg⁻¹	11 cmol kg⁻¹
Base Saturation	100 %	88 %	86 %
Total Exchangeable Bases	11 cmol kg⁻¹	9.7 cmol kg⁻¹	9.5 cmol kg⁻¹
Calcium Carbonate	4.3 %	0 %	0.6 %
Calcium Sulphate	0.4 %	0 %	0.1 %
Exchangeable Sodium	1 %	1 %	2 %
Electrical Conductivity	0.3 dS m-1	0 dS m-1	0.1 dS m-1
Subsoil Properties
Gravel	60 %	0 %	0 %
Sand	49 %	43 %	61 %
Silt	32 %	29 %	16 %
Clay	19 %	28 %	23 %
USDA Texture	Loam	Clay loam	Sandy clay loam
Reference Bulk Density	1.43 g/cm³	1.36 g/cm³	1.42 g/cm³
Bulk Density	1.48 g/cm³	1.42 g/cm³	1.49 g/cm³
Organic Carbon	0.59 %	0.27 %	0.31 %
PH	7.1	6.4	7.4
Clay Cation Exchange Capacity	53 cmol kg⁻¹	32 cmol kg⁻¹	28 cmol kg⁻¹
Soil Cation Exchange Capacity	11 cmol kg⁻¹	10 cmol kg⁻¹	7 cmol kg⁻¹
Base Saturation	100 %	91 %	95 %
Total Exchangeable Bases	11 cmol kg⁻¹	9.1 cmol kg⁻¹	6.7 cmol kg⁻¹
Calcium Carbonate	6.1 %	0.2 %	1.8 %
Calcium Sulphate	1.1 %	0.1 %	0.1 %
Exchangeable Sodium	1 %	1 %	3 %
Electrical Conductivity	0.3 dS m-1	0.1 dS m-1	0.1 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.