World Species : Protected Area : Richtersveld National Park

Richtersveld National Park

Location:	Northern Cape, South Africa
IUCN Category:	II
Area:	399,195 acres (161,549 hectares)
Species:	All Endangered Invasive
Website:	View website
Climate:	View Climate Data
Land Use:	View Land Use Data
Köppen climate classification:	BWh (Climate: arid; Precipitation: desert; Temperature: hot arid)

Ecoregions

Nama Karoo
Succulent Karoo

Soils

— Protected Area Boundary

	A			B			C					D		E						F				G

Share	50 %	40 %	10 %	76 %	9 %	15 %	47 %	23 %	15 %	8 %	7 %	70 %	30 %	42 %	18 %	5 %	15 %	10 %	10 %	49 %	18 %	12 %	21 %	54 %	26 %	20 %
Soil Type	Eutric Leptosols	Lithic Leptosols	Eutric Leptosols	Lithic Leptosols	Calcaric Arenosols	Lithic Leptosols	Eutric Regosols	Calcaric Cambisols	Lithic Leptosols	Calcaric Cambisols	Eutric Fluvisols	Lithic Leptosols	Lithic Leptosols	Lithic Leptosols	Calcaric Arenosols	Eutric Fluvisols	Eutric Leptosols	Calcaric Arenosols	Lithic Leptosols	Ferralic Arenosols	Eutric Leptosols	Eutric Fluvisols	Lithic Leptosols	Lithic Leptosols	Lithic Leptosols	Lithic Leptosols
Topsoil Texture	Medium	Medium	Medium	Medium	Coarse	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Coarse	Medium	Medium	Coarse	Medium	Coarse	Medium	Medium	Medium	Medium	Medium	Medium
Reference Depth	30 cm	10 cm	30 cm	10 cm	100 cm	10 cm	100 cm	100 cm	10 cm	100 cm	100 cm	10 cm	10 cm	10 cm	100 cm	100 cm	30 cm	100 cm	10 cm	100 cm	30 cm	100 cm	10 cm	10 cm	10 cm	10 cm
Drainage	Imperfectly	Imperfectly	Imperfectly	Imperfectly	Somewhat excessive	Imperfectly	Moderately well	Moderately well	Imperfectly	Moderately well	Moderately well	Imperfectly	Imperfectly	Imperfectly	Somewhat excessive	Moderately well	Imperfectly	Somewhat excessive	Imperfectly	Somewhat excessive	Imperfectly	Moderately well	Imperfectly	Imperfectly	Imperfectly	Imperfectly
Available Water Capacity	50 mm	15 mm	50 mm	15 mm	100 m	15 mm	150 m	150 m	15 mm	150 m	150 m	15 mm	15 mm	15 mm	100 m	150 m	50 mm	100 m	15 mm	100 m	50 mm	150 m	15 mm	15 mm	15 mm	15 mm
Topsoil Properties
Gravel	55 %	20 %	55 %	20 %	1 %	20 %	30 %	1 %	20 %	1 %	1 %	20 %	20 %	20 %	1 %	1 %	20 %	1 %	20 %	1 %	20 %	1 %	20 %	20 %	20 %	20 %
Sand	69 %	43 %	69 %	43 %	89 %	43 %	69 %	35 %	43 %	35 %	44 %	43 %	43 %	43 %	89 %	44 %	50 %	89 %	43 %	89 %	50 %	44 %	43 %	43 %	43 %	43 %
Silt	27 %	29 %	27 %	29 %	6 %	29 %	19 %	37 %	29 %	37 %	33 %	29 %	29 %	29 %	6 %	33 %	30 %	6 %	29 %	5 %	30 %	33 %	29 %	29 %	29 %	29 %
Clay	4 %	28 %	4 %	28 %	5 %	28 %	12 %	28 %	28 %	28 %	23 %	28 %	28 %	28 %	5 %	23 %	20 %	5 %	28 %	6 %	20 %	23 %	28 %	28 %	28 %	28 %
USDA Texture	Sandy loam	Clay loam	Sandy loam	Clay loam	Sand	Clay loam	Sandy loam	Clay loam	Clay loam	Clay loam	Loam	Clay loam	Clay loam	Clay loam	Sand	Loam	Loam	Sand	Clay loam	Sand	Loam	Loam	Clay loam	Clay loam	Clay loam	Clay loam
Reference Bulk Density	1.69 g/cm³	1.36 g/cm³	1.69 g/cm³	1.36 g/cm³	1.7 g/cm³	1.36 g/cm³	1.53 g/cm³	1.34 g/cm³	1.36 g/cm³	1.34 g/cm³	1.39 g/cm³	1.36 g/cm³	1.36 g/cm³	1.36 g/cm³	1.7 g/cm³	1.39 g/cm³	1.42 g/cm³	1.7 g/cm³	1.36 g/cm³	1.67 g/cm³	1.42 g/cm³	1.39 g/cm³	1.36 g/cm³	1.36 g/cm³	1.36 g/cm³	1.36 g/cm³
Bulk Density	1.37 g/cm³	1.31 g/cm³	1.37 g/cm³	1.31 g/cm³	1.5 g/cm³	1.31 g/cm³	1.17 g/cm³	1.41 g/cm³	1.31 g/cm³	1.41 g/cm³	1.33 g/cm³	1.31 g/cm³	1.31 g/cm³	1.31 g/cm³	1.5 g/cm³	1.33 g/cm³	1.35 g/cm³	1.5 g/cm³	1.31 g/cm³	1.52 g/cm³	1.35 g/cm³	1.33 g/cm³	1.31 g/cm³	1.31 g/cm³	1.31 g/cm³	1.31 g/cm³
Organic Carbon	0.69 %	0.39 %	0.69 %	0.39 %	0.2 %	0.39 %	0.45 %	0.53 %	0.39 %	0.53 %	0.73 %	0.39 %	0.39 %	0.39 %	0.2 %	0.73 %	0.72 %	0.2 %	0.39 %	0.27 %	0.72 %	0.73 %	0.39 %	0.39 %	0.39 %	0.39 %
PH	8.5	7.5	8.5	7.5	8.3	7.5	6.5	8	7.5	8	7	7.5	7.5	7.5	8.3	7	6.5	8.3	7.5	5.5	6.5	7	7.5	7.5	7.5	7.5
Clay Cation Exchange Capacity	30 cmol kg⁻¹	51 cmol kg⁻¹	30 cmol kg⁻¹	51 cmol kg⁻¹	48 cmol kg⁻¹	51 cmol kg⁻¹	36 cmol kg⁻¹	62 cmol kg⁻¹	51 cmol kg⁻¹	62 cmol kg⁻¹	50 cmol kg⁻¹	51 cmol kg⁻¹	51 cmol kg⁻¹	51 cmol kg⁻¹	48 cmol kg⁻¹	50 cmol kg⁻¹	49 cmol kg⁻¹	48 cmol kg⁻¹	51 cmol kg⁻¹	21 cmol kg⁻¹	49 cmol kg⁻¹	50 cmol kg⁻¹	51 cmol kg⁻¹	51 cmol kg⁻¹	51 cmol kg⁻¹	51 cmol kg⁻¹
Soil Cation Exchange Capacity	4 cmol kg⁻¹	16 cmol kg⁻¹	4 cmol kg⁻¹	16 cmol kg⁻¹	3 cmol kg⁻¹	16 cmol kg⁻¹	6 cmol kg⁻¹	19 cmol kg⁻¹	16 cmol kg⁻¹	19 cmol kg⁻¹	14 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	3 cmol kg⁻¹	14 cmol kg⁻¹	12 cmol kg⁻¹	3 cmol kg⁻¹	16 cmol kg⁻¹	2 cmol kg⁻¹	12 cmol kg⁻¹	14 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹
Base Saturation	100 %	100 %	100 %	100 %	100 %	100 %	88 %	100 %	100 %	100 %	91 %	100 %	100 %	100 %	100 %	91 %	87 %	100 %	100 %	75 %	87 %	91 %	100 %	100 %	100 %	100 %
Total Exchangeable Bases	4 cmol kg⁻¹	16 cmol kg⁻¹	4 cmol kg⁻¹	16 cmol kg⁻¹	3 cmol kg⁻¹	16 cmol kg⁻¹	5.3 cmol kg⁻¹	19 cmol kg⁻¹	16 cmol kg⁻¹	19 cmol kg⁻¹	12.7 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	3 cmol kg⁻¹	12.7 cmol kg⁻¹	10.4 cmol kg⁻¹	3 cmol kg⁻¹	16 cmol kg⁻¹	1.5 cmol kg⁻¹	10.4 cmol kg⁻¹	12.7 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹
Calcium Carbonate	3 %	3.1 %	3 %	3.1 %	5.7 %	3.1 %	1 %	4.9 %	3.1 %	4.9 %	1.5 %	3.1 %	3.1 %	3.1 %	5.7 %	1.5 %	0.8 %	5.7 %	3.1 %	0 %	0.8 %	1.5 %	3.1 %	3.1 %	3.1 %	3.1 %
Calcium Sulphate	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %	0.4 %	0.1 %	0.4 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %	0 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %
Exchangeable Sodium	1 %	1 %	1 %	1 %	3 %	1 %	3 %	1 %	1 %	1 %	2 %	1 %	1 %	1 %	3 %	2 %	2 %	3 %	1 %	3 %	2 %	2 %	1 %	1 %	1 %	1 %
Electrical Conductivity	0.4 dS m-1	0.4 dS m-1	0.4 dS m-1	0.4 dS m-1	0.1 dS m-1	0.4 dS m-1	0.1 dS m-1	0.3 dS m-1	0.4 dS m-1	0.3 dS m-1	0.1 dS m-1	0.4 dS m-1	0.4 dS m-1	0.4 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.1 dS m-1	0.4 dS m-1	0 dS m-1	0.1 dS m-1	0.1 dS m-1	0.4 dS m-1	0.4 dS m-1	0.4 dS m-1	0.4 dS m-1
Subsoil Properties
Gravel					1 %		30 %	1 %		1 %	1 %				1 %	1 %		1 %		1 %		1 %
Sand					90 %		70 %	34 %		34 %	45 %				90 %	45 %		90 %		88 %		45 %
Silt					5 %		17 %	39 %		39 %	31 %				5 %	31 %		5 %		5 %		31 %
Clay					5 %		13 %	27 %		27 %	24 %				5 %	24 %		5 %		7 %		24 %
USDA Texture					Sand		Sandy loam	Clay loam		Clay loam	Loam				Sand	Loam		Sand		Loamy sand		Loam
Reference Bulk Density					1.7 g/cm³		1.52 g/cm³	1.35 g/cm³		1.35 g/cm³	1.38 g/cm³				1.7 g/cm³	1.38 g/cm³		1.7 g/cm³		1.65 g/cm³		1.38 g/cm³
Bulk Density					1.49 g/cm³		1.29 g/cm³	1.44 g/cm³		1.44 g/cm³	1.4 g/cm³				1.49 g/cm³	1.4 g/cm³		1.49 g/cm³		1.57 g/cm³		1.4 g/cm³
Organic Carbon					0.12 %		0.21 %	0.32 %		0.32 %	0.32 %				0.12 %	0.32 %		0.12 %		0.11 %		0.32 %
PH					8.5		6.8	8.1		8.1	7.3				8.5	7.3		8.5		5.3		7.3
Clay Cation Exchange Capacity					47 cmol kg⁻¹		36 cmol kg⁻¹	68 cmol kg⁻¹		68 cmol kg⁻¹	48 cmol kg⁻¹				47 cmol kg⁻¹	48 cmol kg⁻¹		47 cmol kg⁻¹		18 cmol kg⁻¹		48 cmol kg⁻¹
Soil Cation Exchange Capacity					3 cmol kg⁻¹		5 cmol kg⁻¹	19 cmol kg⁻¹		19 cmol kg⁻¹	13 cmol kg⁻¹				3 cmol kg⁻¹	13 cmol kg⁻¹		3 cmol kg⁻¹		2 cmol kg⁻¹		13 cmol kg⁻¹
Base Saturation					100 %		81 %	100 %		100 %	94 %				100 %	94 %		100 %		76 %		94 %
Total Exchangeable Bases					3 cmol kg⁻¹		4.1 cmol kg⁻¹	19 cmol kg⁻¹		19 cmol kg⁻¹	12.2 cmol kg⁻¹				3 cmol kg⁻¹	12.2 cmol kg⁻¹		3 cmol kg⁻¹		1.5 cmol kg⁻¹		12.2 cmol kg⁻¹
Calcium Carbonate					6.7 %		1 %	6.3 %		6.3 %	2 %				6.7 %	2 %		6.7 %		0 %		2 %
Calcium Sulphate					0.1 %		0.1 %	1.1 %		1.1 %	0.1 %				0.1 %	0.1 %		0.1 %		0 %		0.1 %
Exchangeable Sodium					4 %		3 %	1 %		1 %	2 %				4 %	2 %		4 %		4 %		2 %
Electrical Conductivity					0.2 dS m-1		0.1 dS m-1	0.3 dS m-1		0.3 dS m-1	0.1 dS m-1				0.2 dS m-1	0.1 dS m-1		0.2 dS m-1		0 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.

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