World Species : Protected Area : El Ocote Ecological Reserve

El Ocote Ecological Reserve

Location:	Chiapas, Mexico
IUCN Category:	VI
Area:	251,855 acres (101,922 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

Chiapas Depression dry forests
Petén-Veracruz moist forests

Soils

— Protected Area Boundary

	A		B	C	D						E

Share	70 %	30 %			25 %	25 %	20 %	10 %	10 %	10 %	80 %	20 %
Soil Type	Haplic Luvisols	Rendzic Leptosols	Haplic Acrisols	Chromic Luvisols	Lithic Leptosols	Calcic Vertisols	Eutric Regosols	Lithic Leptosols	Calcic Vertisols	Eutric Regosols	Eutric Regosols	Haplic Acrisols
Topsoil Texture	Medium	Medium	Fine	Fine	Medium	Medium	Coarse	Medium	Medium	Coarse	Coarse	Fine
Reference Depth	100 cm	30 cm	100 cm	100 cm	10 cm	100 cm	100 cm	10 cm	100 cm	100 cm	100 cm	100 cm
Drainage	Moderately well	Imperfectly	Moderately well	Moderately well	Imperfectly	Poor	Somewhat excessive	Imperfectly	Poor	Somewhat excessive	Somewhat excessive	Moderately well
Available Water Capacity	150 m	50 mm	150 m	150 m	15 mm	125 m	100 m	15 mm	125 m	100 m	100 m	150 m
Misc. Property						Vertic (cracks of more than 1 cm wide)			Vertic (cracks of more than 1 cm wide)
Topsoil Properties
Gravel	8 %	10 %	4 %	6 %	28 %	9 %	19 %	28 %	9 %	19 %	19 %	4 %
Sand	60 %	42 %	33 %	33 %	50 %	52 %	73 %	50 %	52 %	73 %	73 %	33 %
Silt	24 %	24 %	22 %	25 %	26 %	18 %	23 %	26 %	18 %	23 %	23 %	22 %
Clay	16 %	34 %	45 %	42 %	24 %	30 %	4 %	24 %	30 %	4 %	4 %	45 %
USDA Texture	Sandy loam	Clay loam	Clay	Clay	Sandy clay loam	Sandy clay loam	Sandy loam	Sandy clay loam	Sandy clay loam	Sandy loam	Sandy loam	Clay
Reference Bulk Density	1.47 g/cm³	1.33 g/cm³	1.27 g/cm³	1.28 g/cm³	1.39 g/cm³	1.37 g/cm³	1.7 g/cm³	1.39 g/cm³	1.37 g/cm³	1.7 g/cm³	1.7 g/cm³	1.27 g/cm³
Bulk Density	1.47 g/cm³	1.2 g/cm³	1.17 g/cm³	1.14 g/cm³	1.09 g/cm³	1.18 g/cm³	1.52 g/cm³	1.09 g/cm³	1.18 g/cm³	1.52 g/cm³	1.52 g/cm³	1.17 g/cm³
Organic Carbon	0.52 %	7.6 %	0.95 %	3.36 %	14 %	0.19 %	0.41 %	14 %	0.19 %	0.41 %	0.41 %	0.95 %
PH	6	7.5	4.7	7.5	7.7	7.2	6	7.7	7.2	6	6	4.7
Clay Cation Exchange Capacity	60 cmol kg⁻¹	23 cmol kg⁻¹	17 cmol kg⁻¹	45 cmol kg⁻¹		77 cmol kg⁻¹	140 cmol kg⁻¹		77 cmol kg⁻¹	140 cmol kg⁻¹	140 cmol kg⁻¹	17 cmol kg⁻¹
Soil Cation Exchange Capacity	12 cmol kg⁻¹	35 cmol kg⁻¹	15 cmol kg⁻¹	31 cmol kg⁻¹	44 cmol kg⁻¹	21 cmol kg⁻¹	14 cmol kg⁻¹	44 cmol kg⁻¹	21 cmol kg⁻¹	14 cmol kg⁻¹	14 cmol kg⁻¹	15 cmol kg⁻¹
Base Saturation	88 %	100 %	43 %	94 %	100 %	100 %	80 %	100 %	100 %	80 %	80 %	43 %
Total Exchangeable Bases	10.6 cmol kg⁻¹	35 cmol kg⁻¹	6.5 cmol kg⁻¹	29.1 cmol kg⁻¹	44 cmol kg⁻¹	21 cmol kg⁻¹	11.2 cmol kg⁻¹	44 cmol kg⁻¹	21 cmol kg⁻¹	11.2 cmol kg⁻¹	11.2 cmol kg⁻¹	6.5 cmol kg⁻¹
Calcium Carbonate	0 %	15.9 %	0 %	2 %	3.9 %	4.8 %	0 %	3.9 %	4.8 %	0 %	0 %	0 %
Calcium Sulphate	0 %	0.1 %	0 %	0.1 %	0.1 %	0.2 %	0 %	0.1 %	0.2 %	0 %	0 %	0 %
Exchangeable Sodium	1 %	1 %	1 %	1 %	4 %	3 %	2 %	4 %	3 %	2 %	2 %	1 %
Electrical Conductivity	0 dS m-1	0.2 dS m-1	0 dS m-1	0.1 dS m-1	0.4 dS m-1	0.3 dS m-1	0 dS m-1	0.4 dS m-1	0.3 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1
Subsoil Properties
Gravel	17 %		4 %			5 %	19 %		5 %	19 %	19 %	4 %
Sand	73 %		22 %			36 %	73 %		36 %	73 %	73 %	22 %
Silt	16 %		17 %			4 %	23 %		4 %	23 %	23 %	17 %
Clay	11 %		61 %			60 %	4 %		60 %	4 %	4 %	61 %
USDA Texture	Sandy loam		Clay (heavy)			Clay (heavy)	Sandy loam		Clay (heavy)	Sandy loam	Sandy loam	Clay (heavy)
Reference Bulk Density	1.55 g/cm³		1.2 g/cm³			1.23 g/cm³	1.7 g/cm³		1.23 g/cm³	1.7 g/cm³	1.7 g/cm³	1.2 g/cm³
Bulk Density	1.51 g/cm³		1.11 g/cm³			1.11 g/cm³	1.53 g/cm³		1.11 g/cm³	1.53 g/cm³	1.53 g/cm³	1.11 g/cm³
Organic Carbon	0.2 %		0.25 %			0.12 %	0.15 %		0.12 %	0.15 %	0.15 %	0.25 %
PH	6.3		4.7			7.4	6.4		7.4	6.4	6.4	4.7
Clay Cation Exchange Capacity	93 cmol kg⁻¹		16 cmol kg⁻¹			36 cmol kg⁻¹	140 cmol kg⁻¹		36 cmol kg⁻¹	140 cmol kg⁻¹	140 cmol kg⁻¹	16 cmol kg⁻¹
Soil Cation Exchange Capacity	9 cmol kg⁻¹		22 cmol kg⁻¹			18 cmol kg⁻¹	13 cmol kg⁻¹		18 cmol kg⁻¹	13 cmol kg⁻¹	13 cmol kg⁻¹	22 cmol kg⁻¹
Base Saturation	93 %		40 %			100 %	85 %		100 %	85 %	85 %	40 %
Total Exchangeable Bases	8.4 cmol kg⁻¹		8.8 cmol kg⁻¹			18 cmol kg⁻¹	11.1 cmol kg⁻¹		18 cmol kg⁻¹	11.1 cmol kg⁻¹	11.1 cmol kg⁻¹	8.8 cmol kg⁻¹
Calcium Carbonate	0 %		0 %			3.3 %	0.2 %		3.3 %	0.2 %	0.2 %	0 %
Calcium Sulphate	0 %		0 %			0.1 %	0.1 %		0.1 %	0.1 %	0.1 %	0 %
Exchangeable Sodium	2 %		2 %			5 %	3 %		5 %	3 %	3 %	2 %
Electrical Conductivity	0 dS m-1		0 dS m-1			0.5 dS m-1	0.1 dS m-1		0.5 dS m-1	0.1 dS m-1	0.1 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