World Species : Protected Area : Matjiesrivier Nature Reserve

Matjiesrivier Nature Reserve

Location:	Western Cape, South Africa
IUCN Category:	II
Area:	31,516 acres (12,754 hectares)
Species:	All Endangered Invasive
Climate:	View Climate Data
Land Use:	View Land Use Data
Köppen climate classification:	BSk (Climate: arid; Precipitation: steppe; Temperature: cold arid)

Ecoregions

Montane fynbos and renosterveld
Succulent Karoo

Soils

— Protected Area Boundary

	A			B		C		D				E

Share	77 %	10 %	13 %	70 %	30 %	80 %	20 %	50 %	20 %	15 %	15 %	68 %	8 %	24 %
Soil Type	Lithic Leptosols	Lithic Leptosols	Lithic Leptosols	Lithic Leptosols	Lithic Leptosols	Lithic Leptosols	Lithic Leptosols	Eutric Leptosols	Lithic Leptosols	Haplic Arenosols	Lithic Leptosols	Lithic Leptosols	Eutric Regosols	Lithic Leptosols
Topsoil Texture	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Coarse	Medium	Medium	Medium	Medium
Reference Depth	10 cm	10 cm	10 cm	10 cm	10 cm	10 cm	10 cm	30 cm	10 cm	100 cm	10 cm	10 cm	100 cm	10 cm
Drainage	Imperfectly	Imperfectly	Imperfectly	Imperfectly	Imperfectly	Imperfectly	Imperfectly	Imperfectly	Imperfectly	Somewhat excessive	Imperfectly	Imperfectly	Moderately well	Imperfectly
Available Water Capacity	15 mm	15 mm	15 mm	15 mm	15 mm	15 mm	15 mm	50 mm	15 mm	100 m	15 mm	15 mm	150 m	15 mm
Topsoil Properties
Gravel	20 %	20 %	20 %	20 %	20 %	20 %	20 %	20 %	20 %	1 %	20 %	20 %	30 %	20 %
Sand	43 %	43 %	43 %	43 %	43 %	43 %	43 %	50 %	43 %	89 %	43 %	43 %	69 %	43 %
Silt	29 %	29 %	29 %	29 %	29 %	29 %	29 %	30 %	29 %	6 %	29 %	29 %	19 %	29 %
Clay	28 %	28 %	28 %	28 %	28 %	28 %	28 %	20 %	28 %	5 %	28 %	28 %	12 %	28 %
USDA Texture	Clay loam	Clay loam	Clay loam	Clay loam	Clay loam	Clay loam	Clay loam	Loam	Clay loam	Sand	Clay loam	Clay loam	Sandy loam	Clay loam
Reference Bulk Density	1.36 g/cm³	1.36 g/cm³	1.36 g/cm³	1.36 g/cm³	1.36 g/cm³	1.36 g/cm³	1.36 g/cm³	1.42 g/cm³	1.36 g/cm³	1.7 g/cm³	1.36 g/cm³	1.36 g/cm³	1.53 g/cm³	1.36 g/cm³
Bulk Density	1.31 g/cm³	1.31 g/cm³	1.31 g/cm³	1.31 g/cm³	1.31 g/cm³	1.31 g/cm³	1.31 g/cm³	1.35 g/cm³	1.31 g/cm³	1.5 g/cm³	1.31 g/cm³	1.31 g/cm³	1.17 g/cm³	1.31 g/cm³
Organic Carbon	0.39 %	0.39 %	0.39 %	0.39 %	0.39 %	0.39 %	0.39 %	0.72 %	0.39 %	0.23 %	0.39 %	0.39 %	0.45 %	0.39 %
PH	7.5	7.5	7.5	7.5	7.5	7.5	7.5	6.5	7.5	6.1	7.5	7.5	6.5	7.5
Clay Cation Exchange Capacity	51 cmol kg⁻¹	51 cmol kg⁻¹	51 cmol kg⁻¹	51 cmol kg⁻¹	51 cmol kg⁻¹	51 cmol kg⁻¹	51 cmol kg⁻¹	49 cmol kg⁻¹	51 cmol kg⁻¹	40 cmol kg⁻¹	51 cmol kg⁻¹	51 cmol kg⁻¹	36 cmol kg⁻¹	51 cmol kg⁻¹
Soil Cation Exchange Capacity	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	12 cmol kg⁻¹	16 cmol kg⁻¹	3 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	6 cmol kg⁻¹	16 cmol kg⁻¹
Base Saturation	100 %	100 %	100 %	100 %	100 %	100 %	100 %	87 %	100 %	91 %	100 %	100 %	88 %	100 %
Total Exchangeable Bases	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	10.4 cmol kg⁻¹	16 cmol kg⁻¹	2.7 cmol kg⁻¹	16 cmol kg⁻¹	16 cmol kg⁻¹	5.3 cmol kg⁻¹	16 cmol kg⁻¹
Calcium Carbonate	3.1 %	3.1 %	3.1 %	3.1 %	3.1 %	3.1 %	3.1 %	0.8 %	3.1 %	0.5 %	3.1 %	3.1 %	1 %	3.1 %
Calcium Sulphate	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 %
Exchangeable Sodium	1 %	1 %	1 %	1 %	1 %	1 %	1 %	2 %	1 %	3 %	1 %	1 %	3 %	1 %
Electrical Conductivity	0.4 dS m-1	0.4 dS m-1	0.4 dS m-1	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 dS m-1	0.4 dS m-1	0.4 dS m-1	0.1 dS m-1	0.4 dS m-1
Subsoil Properties
Gravel										1 %			30 %
Sand										90 %			70 %
Silt										5 %			17 %
Clay										5 %			13 %
USDA Texture										Sand			Sandy loam
Reference Bulk Density										1.7 g/cm³			1.52 g/cm³
Bulk Density										1.53 g/cm³			1.29 g/cm³
Organic Carbon										0.11 %			0.21 %
PH										6.1			6.8
Clay Cation Exchange Capacity										38 cmol kg⁻¹			36 cmol kg⁻¹
Soil Cation Exchange Capacity										2 cmol kg⁻¹			5 cmol kg⁻¹
Base Saturation										98 %			81 %
Total Exchangeable Bases										2 cmol kg⁻¹			4.1 cmol kg⁻¹
Calcium Carbonate										0.5 %			1 %
Calcium Sulphate										0 %			0.1 %
Exchangeable Sodium										3 %			3 %
Electrical Conductivity										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