World Species : Protected Area : Parc National de Djebel Bou-Hedma

Parc National de Djebel Bou-Hedma

Location:	Tunisia
IUCN Category:	II
Area:	41,580 acres (16,827 hectares)
Species:	All Endangered Invasive
Climate:	View Climate Data
Land Use:	View Land Use Data
Köppen climate classification:	BSh (Climate: arid; Precipitation: steppe; Temperature: hot arid)

Ecoregions

Mediterranean dry woodlands and steppe
Mediterranean woodlands and forests

Soils

— Protected Area Boundary

	A		B		C		D		E		F		G		H

Share	60 %	40 %	80 %	20 %	60 %	40 %	60 %	40 %	85 %	15 %	85 %	15 %	70 %	30 %	60 %	40 %
Soil Type	Rendzic Leptosols	Calcaric Cambisols	Eutric Regosols	Calcaric Fluvisols	Gleyic Solonchaks	Eutric Gleysols	Luvic Calcisols	Calcaric Cambisols	Petric Gypsisols	Gypsic Regosols	Gleyic Solonchaks	Gypsic Solonchaks	Eutric Leptosols	Calcaric Regosols	Eutric Leptosols	Calcaric Regosols
Topsoil Texture	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Fine	Medium	Medium	Medium	Medium	Medium	Medium	Medium	Medium
Reference Depth	30 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	30 cm	100 cm	30 cm	100 cm
Drainage	Imperfectly	Moderately well	Moderately well	Moderately well	Poor	Poor	Moderately well	Moderately well	Moderately well	Moderately well	Poor	Moderately well	Imperfectly	Moderately well	Imperfectly	Moderately well
Available Water Capacity	50 mm	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m	50 mm	150 m	50 mm	150 m
Misc. Property									Petric (strongly cemented or indurated layer starting within 100 cm)
Topsoil Properties
Gravel	20 %	4 %	18 %	3 %	4 %	5 %	4 %	6 %	2 %	15 %	4 %	17 %	19 %	9 %	19 %	9 %
Sand	37 %	34 %	69 %	35 %	35 %	43 %	72 %	23 %	44 %	42 %	35 %	47 %	52 %	57 %	52 %	57 %
Silt	35 %	40 %	18 %	44 %	33 %	26 %	5 %	37 %	38 %	41 %	33 %	33 %	28 %	28 %	28 %	28 %
Clay	28 %	26 %	13 %	21 %	32 %	31 %	23 %	40 %	18 %	17 %	32 %	20 %	20 %	15 %	20 %	15 %
USDA Texture	Clay loam	Loam	Sandy loam	Loam	Clay loam	Clay loam	Sandy clay loam	Clay	Loam	Loam	Clay loam	Loam	Loam	Sandy loam	Loam	Sandy loam
Reference Bulk Density	1.35 g/cm³	1.36 g/cm³	1.53 g/cm³	1.39 g/cm³	1.33 g/cm³	1.35 g/cm³	1.45 g/cm³	1.27 g/cm³	1.43 g/cm³	1.43 g/cm³	1.33 g/cm³	1.42 g/cm³	1.43 g/cm³	1.48 g/cm³	1.43 g/cm³	1.48 g/cm³
Bulk Density	1.35 g/cm³	1.43 g/cm³	1.22 g/cm³	1.41 g/cm³	1.37 g/cm³	1.26 g/cm³	1.57 g/cm³	1.48 g/cm³	1.33 g/cm³	1.29 g/cm³	1.37 g/cm³	1.32 g/cm³	1.3 g/cm³	1.34 g/cm³	1.3 g/cm³	1.34 g/cm³
Organic Carbon	0.59 %	0.55 %	0.45 %	0.57 %	0.42 %	0.81 %	0.38 %	2.32 %	0.32 %	0.4 %	0.42 %	0.37 %	0.22 %	0.2 %	0.22 %	0.2 %
PH	7.8	8.1	6.5	8.1	8	5.9	8	8	8	7.6	8	7.9	7.2	8.1	7.2	8.1
Clay Cation Exchange Capacity	69 cmol kg⁻¹	66 cmol kg⁻¹	37 cmol kg⁻¹	71 cmol kg⁻¹	62 cmol kg⁻¹	41 cmol kg⁻¹	46 cmol kg⁻¹	33 cmol kg⁻¹	61 cmol kg⁻¹	16 cmol kg⁻¹	62 cmol kg⁻¹	26 cmol kg⁻¹	62 cmol kg⁻¹	64 cmol kg⁻¹	62 cmol kg⁻¹	64 cmol kg⁻¹
Soil Cation Exchange Capacity	21 cmol kg⁻¹	19 cmol kg⁻¹	7 cmol kg⁻¹	17 cmol kg⁻¹	21 cmol kg⁻¹	16 cmol kg⁻¹	12 cmol kg⁻¹	21 cmol kg⁻¹	12 cmol kg⁻¹	4 cmol kg⁻¹	21 cmol kg⁻¹	7 cmol kg⁻¹	13 cmol kg⁻¹	10 cmol kg⁻¹	13 cmol kg⁻¹	10 cmol kg⁻¹
Base Saturation	100 %	100 %	90 %	100 %	100 %	78 %	100 %	100 %	100 %	100 %	100 %	100 %	89 %	100 %	89 %	100 %
Total Exchangeable Bases	21 cmol kg⁻¹	19 cmol kg⁻¹	6 cmol kg⁻¹	17.3 cmol kg⁻¹	21.3 cmol kg⁻¹	12.2 cmol kg⁻¹	12 cmol kg⁻¹	21.3 cmol kg⁻¹	11.7 cmol kg⁻¹	4.3 cmol kg⁻¹	21.3 cmol kg⁻¹	6.7 cmol kg⁻¹	11.6 cmol kg⁻¹	10.3 cmol kg⁻¹	11.6 cmol kg⁻¹	10.3 cmol kg⁻¹
Calcium Carbonate	17.1 %	5 %	0 %	7.6 %	8.7 %	0 %	3.2 %	34.3 %	11.5 %	6.3 %	8.7 %	14.5 %	5 %	8.5 %	5 %	8.5 %
Calcium Sulphate	0.1 %	0.4 %	1 %	0.2 %	4.1 %	0 %	0.1 %	0.4 %	65.5 %	1 %	4.1 %	9.2 %	0.1 %	0.9 %	0.1 %	0.9 %
Exchangeable Sodium	1 %	2 %	2 %	2 %	67 %	2 %	2 %	2 %	3 %	2 %	67 %	25 %	1 %	3 %	1 %	3 %
Electrical Conductivity	1 dS m-1	0.7 dS m-1	1 dS m-1	2.7 dS m-1	17 dS m-1	0 dS m-1	2 dS m-1	0 dS m-1	2 dS m-1	1 dS m-1	17 dS m-1	17 dS m-1	1 dS m-1	1 dS m-1	1 dS m-1	1 dS m-1
Subsoil Properties
Gravel		5 %	26 %	4 %	3 %	2 %	5 %	6 %	5 %	14 %	4 %	30 %		5 %		5 %
Sand		32 %	70 %	36 %	35 %	41 %	64 %	16 %	39 %	60 %	35 %	49 %		58 %		58 %
Silt		41 %	17 %	43 %	32 %	25 %	11 %	45 %	38 %	25 %	32 %	29 %		28 %		28 %
Clay		27 %	13 %	21 %	33 %	34 %	25 %	39 %	23 %	15 %	33 %	22 %		14 %		14 %
USDA Texture		Loam	Sandy loam	Loam	Clay loam	Clay loam	Sandy clay loam	Silty clay loam	Loam	Sandy loam	Clay loam	Loam		Sandy loam		Sandy loam
Reference Bulk Density		1.35 g/cm³	1.53 g/cm³	1.39 g/cm³	1.32 g/cm³	1.33 g/cm³	1.42 g/cm³	1.26 g/cm³	1.38 g/cm³	1.49 g/cm³	1.32 g/cm³	1.41 g/cm³		1.49 g/cm³		1.49 g/cm³
Bulk Density		1.47 g/cm³	1.22 g/cm³	1.44 g/cm³	1.39 g/cm³	1.3 g/cm³	1.58 g/cm³	1.58 g/cm³	1.39 g/cm³	1.28 g/cm³	1.41 g/cm³	1.33 g/cm³		1.35 g/cm³		1.35 g/cm³
Organic Carbon		0.35 %	0.23 %	0.43 %	0.25 %	0.33 %	0.21 %	0.95 %	0.13 %	0.21 %	0.26 %	0.13 %		0.18 %		0.18 %
PH		8.2	6.8	8.2	8.3	6.3	8.5	8.1	7.9	7.8	8.3	7.9		8.2		8.2
Clay Cation Exchange Capacity		70 cmol kg⁻¹	33 cmol kg⁻¹	71 cmol kg⁻¹	56 cmol kg⁻¹	42 cmol kg⁻¹	46 cmol kg⁻¹	58 cmol kg⁻¹	39 cmol kg⁻¹	36 cmol kg⁻¹	59 cmol kg⁻¹	28 cmol kg⁻¹		53 cmol kg⁻¹		53 cmol kg⁻¹
Soil Cation Exchange Capacity		20 cmol kg⁻¹	5 cmol kg⁻¹	17 cmol kg⁻¹	19 cmol kg⁻¹	16 cmol kg⁻¹	12 cmol kg⁻¹	26 cmol kg⁻¹	9 cmol kg⁻¹	6 cmol kg⁻¹	20 cmol kg⁻¹	7 cmol kg⁻¹		8 cmol kg⁻¹		8 cmol kg⁻¹
Base Saturation		100 %	80 %	100 %	100 %	81 %	100 %	100 %	100 %	99 %	100 %	100 %		100 %		100 %
Total Exchangeable Bases		19.6 cmol kg⁻¹	4.2 cmol kg⁻¹	16.6 cmol kg⁻¹	19.4 cmol kg⁻¹	12.6 cmol kg⁻¹	12 cmol kg⁻¹	26.3 cmol kg⁻¹	9.3 cmol kg⁻¹	5.7 cmol kg⁻¹	19.9 cmol kg⁻¹	6.6 cmol kg⁻¹		8.4 cmol kg⁻¹		8.4 cmol kg⁻¹
Calcium Carbonate		6.4 %	0 %	9.3 %	12 %	0 %	18.5 %	14.9 %	6.7 %	7 %	13 %	13.6 %		9 %		9 %
Calcium Sulphate		1.9 %	0.3 %	0.4 %	2.2 %	0 %	0.4 %	1.9 %	64.2 %	0.3 %	2.2 %	8.8 %		0.3 %		0.3 %
Exchangeable Sodium		3 %	2 %	3 %	80 %	2 %	3 %	3 %	5 %	3 %	79 %	58 %		4 %		4 %
Electrical Conductivity		0 dS m-1	1.4 dS m-1	1.7 dS m-1	20.1 dS m-1	0.3 dS m-1	0.6 dS m-1	0 dS m-1	2.6 dS m-1	1.4 dS m-1	21.3 dS m-1	17.6 dS m-1		1.4 dS m-1		1.4 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