World Species : Protected Area : Bontebok National Park

Bontebok National Park

Location:	Western Cape, South Africa
IUCN Category:	II
Area:	8,315 acres (3,365 hectares)
Species:	All Endangered Invasive
Website:	View website
Climate:	View Climate Data
Land Use:	View Land Use Data
Köppen climate classification:	BSk (Climate: arid; Precipitation: steppe; Temperature: cold arid)

Ecoregions

Lowland fynbos and renosterveld

Soils

— Protected Area Boundary

	A				B

Share	41 %	28 %	15 %	16 %	27 %	15 %	10 %	5 %	20 %	17 %	6 %
Soil Type	Eutric Regosols	Chromic Luvisols	Eutric Leptosols	Chromic Luvisols	Eutric Regosols	Haplic Solonetz	Haplic Luvisols	Eutric Cambisols	Eutric Regosols	Haplic Luvisols	Haplic Solonetz
Topsoil Texture	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Medium
Reference Depth	100 cm	100 cm	30 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm
Drainage	Moderately well	Moderately well	Imperfectly	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well
Available Water Capacity	150 m	150 m	50 mm	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m
Topsoil Properties
Gravel	30 %	1 %	20 %	1 %	30 %	1 %	1 %	1 %	30 %	1 %	1 %
Sand	69 %	51 %	50 %	51 %	69 %	47 %	54 %	45 %	69 %	54 %	47 %
Silt	19 %	22 %	30 %	22 %	19 %	27 %	25 %	31 %	19 %	25 %	27 %
Clay	12 %	27 %	20 %	27 %	12 %	26 %	21 %	24 %	12 %	21 %	26 %
USDA Texture	Sandy loam	Sandy clay loam	Loam	Sandy clay loam	Sandy loam	Sandy clay loam	Sandy clay loam	Loam	Sandy loam	Sandy clay loam	Sandy clay loam
Reference Bulk Density	1.53 g/cm³	1.38 g/cm³	1.42 g/cm³	1.38 g/cm³	1.53 g/cm³	1.38 g/cm³	1.42 g/cm³	1.38 g/cm³	1.53 g/cm³	1.42 g/cm³	1.38 g/cm³
Bulk Density	1.17 g/cm³	1.45 g/cm³	1.35 g/cm³	1.45 g/cm³	1.17 g/cm³	1.51 g/cm³	1.43 g/cm³	1.38 g/cm³	1.17 g/cm³	1.43 g/cm³	1.51 g/cm³
Organic Carbon	0.45 %	0.63 %	0.72 %	0.63 %	0.45 %	0.62 %	0.6 %	0.87 %	0.45 %	0.6 %	0.62 %
PH	6.5	6.4	6.5	6.4	6.5	7.4	6.5	6.6	6.5	6.5	7.4
Clay Cation Exchange Capacity	36 cmol kg⁻¹	31 cmol kg⁻¹	49 cmol kg⁻¹	31 cmol kg⁻¹	36 cmol kg⁻¹	51 cmol kg⁻¹	41 cmol kg⁻¹	50 cmol kg⁻¹	36 cmol kg⁻¹	41 cmol kg⁻¹	51 cmol kg⁻¹
Soil Cation Exchange Capacity	6 cmol kg⁻¹	10 cmol kg⁻¹	12 cmol kg⁻¹	10 cmol kg⁻¹	6 cmol kg⁻¹	15 cmol kg⁻¹	11 cmol kg⁻¹	15 cmol kg⁻¹	6 cmol kg⁻¹	11 cmol kg⁻¹	15 cmol kg⁻¹
Base Saturation	88 %	85 %	87 %	85 %	88 %	100 %	89 %	91 %	88 %	89 %	100 %
Total Exchangeable Bases	5.3 cmol kg⁻¹	8.5 cmol kg⁻¹	10.4 cmol kg⁻¹	8.5 cmol kg⁻¹	5.3 cmol kg⁻¹	15 cmol kg⁻¹	9.8 cmol kg⁻¹	13.7 cmol kg⁻¹	5.3 cmol kg⁻¹	9.8 cmol kg⁻¹	15 cmol kg⁻¹
Calcium Carbonate	1 %	0.5 %	0.8 %	0.5 %	1 %	2 %	0.5 %	1 %	1 %	0.5 %	2 %
Calcium Sulphate	0.1 %	0 %	0.1 %	0 %	0.1 %	0.1 %	0 %	0.1 %	0.1 %	0 %	0.1 %
Exchangeable Sodium	3 %	2 %	2 %	2 %	3 %	13 %	2 %	2 %	3 %	2 %	13 %
Electrical Conductivity	0.1 dS m-1	0 dS m-1	0.1 dS m-1	0 dS m-1	0.1 dS m-1	1.2 dS m-1	0 dS m-1	0.1 dS m-1	0.1 dS m-1	0 dS m-1	1.2 dS m-1
Subsoil Properties
Gravel	30 %	1 %		1 %	30 %	1 %	1 %	1 %	30 %	1 %	1 %
Sand	70 %	45 %		45 %	70 %	42 %	49 %	43 %	70 %	49 %	42 %
Silt	17 %	21 %		21 %	17 %	27 %	24 %	30 %	17 %	24 %	27 %
Clay	13 %	34 %		34 %	13 %	31 %	27 %	27 %	13 %	27 %	31 %
USDA Texture	Sandy loam	Clay loam		Clay loam	Sandy loam	Clay loam	Sandy clay loam	Clay loam	Sandy loam	Sandy clay loam	Clay loam
Reference Bulk Density	1.52 g/cm³	1.33 g/cm³		1.33 g/cm³	1.52 g/cm³	1.34 g/cm³	1.38 g/cm³	1.36 g/cm³	1.52 g/cm³	1.38 g/cm³	1.34 g/cm³
Bulk Density	1.29 g/cm³	1.5 g/cm³		1.5 g/cm³	1.29 g/cm³	1.56 g/cm³	1.51 g/cm³	1.39 g/cm³	1.29 g/cm³	1.51 g/cm³	1.56 g/cm³
Organic Carbon	0.21 %	0.35 %		0.35 %	0.21 %	0.22 %	0.26 %	0.34 %	0.21 %	0.26 %	0.22 %
PH	6.8	6.5		6.5	6.8	8.4	6.7	7	6.8	6.7	8.4
Clay Cation Exchange Capacity	36 cmol kg⁻¹	31 cmol kg⁻¹		31 cmol kg⁻¹	36 cmol kg⁻¹	61 cmol kg⁻¹	43 cmol kg⁻¹	52 cmol kg⁻¹	36 cmol kg⁻¹	43 cmol kg⁻¹	61 cmol kg⁻¹
Soil Cation Exchange Capacity	5 cmol kg⁻¹	12 cmol kg⁻¹		12 cmol kg⁻¹	5 cmol kg⁻¹	20 cmol kg⁻¹	13 cmol kg⁻¹	15 cmol kg⁻¹	5 cmol kg⁻¹	13 cmol kg⁻¹	20 cmol kg⁻¹
Base Saturation	81 %	84 %		84 %	81 %	100 %	91 %	94 %	81 %	91 %	100 %
Total Exchangeable Bases	4.1 cmol kg⁻¹	10.1 cmol kg⁻¹		10.1 cmol kg⁻¹	4.1 cmol kg⁻¹	20 cmol kg⁻¹	11.8 cmol kg⁻¹	14.1 cmol kg⁻¹	4.1 cmol kg⁻¹	11.8 cmol kg⁻¹	20 cmol kg⁻¹
Calcium Carbonate	1 %	0.6 %		0.6 %	1 %	2.9 %	0.9 %	1.6 %	1 %	0.9 %	2.9 %
Calcium Sulphate	0.1 %	0 %		0 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %
Exchangeable Sodium	3 %	1 %		1 %	3 %	27 %	1 %	2 %	3 %	1 %	27 %
Electrical Conductivity	0.1 dS m-1	0 dS m-1		0 dS m-1	0.1 dS m-1	2.2 dS m-1	0.1 dS m-1	0.2 dS m-1	0.1 dS m-1	0.1 dS m-1	2.2 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