World Species : Protected Area : Kahuzi-Biéga National Park

Kahuzi-Biéga National Park

Location:	Democratic Republic of the Congo
IUCN Category:	II
Area:	1,647,768 acres (666,828 hectares)
Species:	All Endangered Invasive
Climate:	View Climate Data
Land Use:	View Land Use Data
Köppen climate classification:	Aw (Climate: equatorial; Precipitation: winter dry)

Ecoregions

Albertine Rift montane forests
Northeastern Congolian lowland forests

Soils

— Protected Area Boundary

	A			B				C		D		E	F

Share	60 %	20 %	20 %	50 %	20 %	20 %	10 %	60 %	40 %	51 %	49 %		45 %	35 %	20 %
Soil Type	Humic Cambisols	Haplic Acrisols	Humic Ferralsols	Haplic Acrisols	Haplic Acrisols	Humic Cambisols	Humic Ferralsols	Humic Ferralsols	Humic Nitisols	Haplic Acrisols	Humic Ferralsols	Humic Ferralsols	Haplic Acrisols	Ferralic Cambisols	Haplic Ferralsols
Topsoil Texture	Fine	Medium	Fine	Fine	Medium	Fine	Fine	Fine	Fine	Medium	Medium	Fine	Fine	Medium	Medium
Reference Depth	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm
Drainage	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well
Available Water Capacity	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m
Topsoil Properties
Gravel	0 %	7 %	0 %	0 %	7 %	0 %	0 %	0 %	0 %	7 %	0 %	0 %	0 %	3 %	0 %
Sand	9 %	56 %	45 %	22 %	56 %	49 %	31 %	4 %	5 %	56 %	52 %	45 %	8 %	44 %	57 %
Silt	51 %	19 %	14 %	29 %	19 %	14 %	25 %	17 %	8 %	19 %	28 %	14 %	50 %	22 %	16 %
Clay	40 %	25 %	41 %	49 %	25 %	37 %	44 %	79 %	87 %	25 %	20 %	41 %	42 %	34 %	27 %
USDA Texture	Silty clay loam	Sandy clay loam	Sandy clay	Clay	Sandy clay loam	Sandy clay	Clay	Clay (heavy)	Clay (heavy)	Sandy clay loam	Loam	Sandy clay	Silty clay	Clay loam	Sandy clay loam
Reference Bulk Density	1.24 g/cm³	1.4 g/cm³	1.31 g/cm³	1.24 g/cm³	1.4 g/cm³	1.33 g/cm³	1.27 g/cm³	1.13 g/cm³	1.12 g/cm³	1.4 g/cm³	1.43 g/cm³	1.31 g/cm³	1.23 g/cm³	1.33 g/cm³	1.39 g/cm³
Bulk Density	1.12 g/cm³	1.39 g/cm³	0.93 g/cm³	1.29 g/cm³	1.39 g/cm³	1.12 g/cm³	0.93 g/cm³	0.94 g/cm³	1.2 g/cm³	1.39 g/cm³	1.07 g/cm³	0.93 g/cm³	1.3 g/cm³	1.31 g/cm³	1.43 g/cm³
Organic Carbon	2.72 %	0.81 %	7.24 %	6.5 %	0.81 %	5.41 %	3.05 %	7.32 %	1.84 %	0.81 %	0.64 %	7.24 %	0.99 %	1.02 %	0.8 %
PH	4.5	5.1	4.9	4.5	5.1	4.6	5	4.9	4.8	5.1	5.6	4.9	4.5	4.9	5.6
Clay Cation Exchange Capacity	12 cmol kg⁻¹	15 cmol kg⁻¹		16 cmol kg⁻¹	15 cmol kg⁻¹	18 cmol kg⁻¹	12 cmol kg⁻¹	6 cmol kg⁻¹	6 cmol kg⁻¹	15 cmol kg⁻¹	16 cmol kg⁻¹		10 cmol kg⁻¹	12 cmol kg⁻¹	23 cmol kg⁻¹
Soil Cation Exchange Capacity	11 cmol kg⁻¹	6 cmol kg⁻¹	14 cmol kg⁻¹	24 cmol kg⁻¹	6 cmol kg⁻¹	14 cmol kg⁻¹	13 cmol kg⁻¹	22 cmol kg⁻¹	9 cmol kg⁻¹	6 cmol kg⁻¹	5 cmol kg⁻¹	14 cmol kg⁻¹	6 cmol kg⁻¹	6 cmol kg⁻¹	8 cmol kg⁻¹
Base Saturation	20 %	39 %	7 %	33 %	39 %	20 %	7 %	8 %	32 %	39 %	13 %	7 %	35 %	17 %	10 %
Total Exchangeable Bases	2.2 cmol kg⁻¹	2.2 cmol kg⁻¹	1 cmol kg⁻¹	7.8 cmol kg⁻¹	2.2 cmol kg⁻¹	2.7 cmol kg⁻¹	0.9 cmol kg⁻¹	1.9 cmol kg⁻¹	3 cmol kg⁻¹	2.2 cmol kg⁻¹	0.6 cmol kg⁻¹	1 cmol kg⁻¹	2.2 cmol kg⁻¹	1.1 cmol kg⁻¹	0.8 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	2 %	3 %	2 %	3 %	3 %	2 %	2 %	2 %	1 %	3 %	2 %	2 %	3 %	3 %	3 %
Electrical Conductivity	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1
Subsoil Properties
Gravel	8 %	9 %	0 %	0 %	9 %	0 %	0 %	0 %	0 %	9 %	0 %	0 %	19 %	7 %	0 %
Sand	19 %	47 %	45 %	25 %	47 %	51 %	30 %	5 %	2 %	47 %	39 %	45 %	26 %	41 %	46 %
Silt	48 %	17 %	14 %	30 %	17 %	12 %	23 %	17 %	7 %	17 %	28 %	14 %	37 %	23 %	12 %
Clay	33 %	36 %	41 %	45 %	36 %	37 %	47 %	78 %	91 %	36 %	33 %	41 %	37 %	36 %	42 %
USDA Texture	Silty clay loam	Sandy clay	Clay	Clay	Sandy clay	Sandy clay	Clay	Clay (heavy)	Clay (heavy)	Sandy clay	Clay loam	Clay	Clay loam	Clay loam	Sandy clay
Reference Bulk Density	1.29 g/cm³	1.33 g/cm³	1.31 g/cm³	1.25 g/cm³	1.33 g/cm³	1.33 g/cm³	1.26 g/cm³	1.14 g/cm³	1.11 g/cm³	1.33 g/cm³	1.33 g/cm³	1.31 g/cm³	1.28 g/cm³	1.32 g/cm³	1.3 g/cm³
Bulk Density	1.18 g/cm³	1.4 g/cm³	1.04 g/cm³	1.35 g/cm³	1.4 g/cm³	1.19 g/cm³	1.04 g/cm³	1.01 g/cm³	1.27 g/cm³	1.4 g/cm³	1.05 g/cm³	1.04 g/cm³	1.38 g/cm³	1.31 g/cm³	1.39 g/cm³
Organic Carbon	0.58 %	0.35 %	1.95 %	2.23 %	0.35 %	1.28 %	1.9 %	3.65 %	0.32 %	0.35 %	0.2 %	1.95 %	0.36 %	0.34 %	0.22 %
PH	4.6	5	4.7	4.5	5	4.4	4.5	4.7	5.1	5	5.3	4.7	4.8	5	5.4
Clay Cation Exchange Capacity	19 cmol kg⁻¹	11 cmol kg⁻¹	6 cmol kg⁻¹	14 cmol kg⁻¹	11 cmol kg⁻¹	15 cmol kg⁻¹	15 cmol kg⁻¹	10 cmol kg⁻¹	6 cmol kg⁻¹	11 cmol kg⁻¹	11 cmol kg⁻¹	6 cmol kg⁻¹	11 cmol kg⁻¹	10 cmol kg⁻¹	14 cmol kg⁻¹
Soil Cation Exchange Capacity	7 cmol kg⁻¹	5 cmol kg⁻¹	7 cmol kg⁻¹	12 cmol kg⁻¹	5 cmol kg⁻¹	8 cmol kg⁻¹	12 cmol kg⁻¹	16 cmol kg⁻¹	6 cmol kg⁻¹	5 cmol kg⁻¹	4 cmol kg⁻¹	7 cmol kg⁻¹	5 cmol kg⁻¹	5 cmol kg⁻¹	6 cmol kg⁻¹
Base Saturation	23 %	27 %	18 %	25 %	27 %	18 %	18 %	10 %	26 %	27 %	19 %	18 %	26 %	29 %	12 %
Total Exchangeable Bases	1.7 cmol kg⁻¹	1.4 cmol kg⁻¹	1.2 cmol kg⁻¹	2.9 cmol kg⁻¹	1.4 cmol kg⁻¹	1.5 cmol kg⁻¹	2 cmol kg⁻¹	1.7 cmol kg⁻¹	1.6 cmol kg⁻¹	1.4 cmol kg⁻¹	0.8 cmol kg⁻¹	1.2 cmol kg⁻¹	1.3 cmol kg⁻¹	1.3 cmol kg⁻¹	0.7 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %	0 %
Exchangeable Sodium	2 %	3 %	3 %	3 %	3 %	1 %	3 %	3 %	1 %	3 %	3 %	3 %	3 %	5 %	4 %
Electrical Conductivity	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0 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