World Species : Protected Area : Columbia River Forest Reserve

Columbia River Forest Reserve

Location:	Belize
IUCN Category:	VI
Area:	149,053 acres (60,319 hectares)
Species:	All Endangered Invasive
Climate:	View Climate Data
Land Use:	View Land Use Data
Köppen climate classification:	Am (Climate: equatorial; Precipitation: monsoonal)

Ecoregions

Petén-Veracruz moist forests

Soils

— Protected Area Boundary

	A				B			C				D

Share	40 %	20 %	20 %	20 %	60 %	20 %	20 %	40 %	20 %	20 %	20 %	40 %	20 %	20 %	20 %
Soil Type	Dystric Cambisols	Humic Ferralsols	Haplic Ferralsols	Haplic Acrisols	Eutric Cambisols	Haplic Luvisols	Ferric Acrisols	Chromic Cambisols	Vertic Cambisols	Eutric Cambisols	Rendzic Leptosols	Chromic Cambisols	Vertic Cambisols	Eutric Cambisols	Rendzic Leptosols
Topsoil Texture	Medium	Fine	Fine	Medium	Medium	Medium	Medium	Fine	Fine	Medium	Fine	Fine	Fine	Medium	Fine
Reference Depth	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	100 cm	30 cm	100 cm	100 cm	100 cm	30 cm
Drainage	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Moderately well	Imperfectly	Moderately well	Moderately well	Moderately well	Imperfectly
Available Water Capacity	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m	150 m	50 mm	150 m	150 m	150 m	50 mm
Misc. Property									Vertic (cracks of more than 1 cm wide)				Vertic (cracks of more than 1 cm wide)
Topsoil Properties
Gravel	3 %	0 %	0 %	41 %	1 %	3 %	1 %	2 %	1 %	1 %	18 %	2 %	1 %	1 %	18 %
Sand	29 %	18 %	17 %	65 %	45 %	66 %	55 %	9 %	30 %	45 %	18 %	9 %	30 %	45 %	18 %
Silt	40 %	46 %	44 %	17 %	31 %	13 %	18 %	16 %	28 %	31 %	25 %	16 %	28 %	31 %	25 %
Clay	31 %	36 %	39 %	18 %	24 %	21 %	27 %	75 %	42 %	24 %	57 %	75 %	42 %	24 %	57 %
USDA Texture	Clay loam	Silty clay loam	Silty clay loam	Sandy loam	Loam	Sandy clay loam	Sandy clay loam	Clay (heavy)	Clay	Loam	Clay	Clay (heavy)	Clay	Loam	Clay
Reference Bulk Density	1.32 g/cm³	1.27 g/cm³	1.26 g/cm³	1.47 g/cm³	1.38 g/cm³	1.44 g/cm³	1.39 g/cm³	1.15 g/cm³	1.27 g/cm³	1.38 g/cm³	1.21 g/cm³	1.15 g/cm³	1.27 g/cm³	1.38 g/cm³	1.21 g/cm³
Bulk Density	1.18 g/cm³	0.66 g/cm³	0.84 g/cm³	1.27 g/cm³	1.38 g/cm³	1.18 g/cm³	1.41 g/cm³	1.02 g/cm³	1.34 g/cm³	1.38 g/cm³	1.06 g/cm³	1.02 g/cm³	1.34 g/cm³	1.38 g/cm³	1.06 g/cm³
Organic Carbon	1.33 %	4.57 %	2.82 %	0.88 %	0.87 %	1.79 %	0.95 %	3.78 %	0.78 %	0.87 %	5.2 %	3.78 %	0.78 %	0.87 %	5.2 %
PH	4.9	4	4.1	5.3	6.6	7.1	5.2	7.4	6.9	6.6	7.8	7.4	6.9	6.6	7.8
Clay Cation Exchange Capacity	27 cmol kg⁻¹	15 cmol kg⁻¹	12 cmol kg⁻¹	10 cmol kg⁻¹	50 cmol kg⁻¹	94 cmol kg⁻¹	10 cmol kg⁻¹	55 cmol kg⁻¹	56 cmol kg⁻¹	50 cmol kg⁻¹	82 cmol kg⁻¹	55 cmol kg⁻¹	56 cmol kg⁻¹	50 cmol kg⁻¹	82 cmol kg⁻¹
Soil Cation Exchange Capacity	13 cmol kg⁻¹	46 cmol kg⁻¹	15 cmol kg⁻¹	5 cmol kg⁻¹	15 cmol kg⁻¹	26 cmol kg⁻¹	6 cmol kg⁻¹	55 cmol kg⁻¹	27 cmol kg⁻¹	15 cmol kg⁻¹	62 cmol kg⁻¹	55 cmol kg⁻¹	27 cmol kg⁻¹	15 cmol kg⁻¹	62 cmol kg⁻¹
Base Saturation	33 %	13 %	24 %	62 %	91 %	88 %	57 %	96 %	92 %	91 %	100 %	96 %	92 %	91 %	100 %
Total Exchangeable Bases	4.3 cmol kg⁻¹	6 cmol kg⁻¹	3.6 cmol kg⁻¹	3.1 cmol kg⁻¹	13.7 cmol kg⁻¹	22.9 cmol kg⁻¹	3.4 cmol kg⁻¹	52.8 cmol kg⁻¹	24.8 cmol kg⁻¹	13.7 cmol kg⁻¹	62 cmol kg⁻¹	52.8 cmol kg⁻¹	24.8 cmol kg⁻¹	13.7 cmol kg⁻¹	62 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	0 %	0.3 %	1.1 %	0 %	1.3 %	0.8 %	0.3 %	11.2 %	1.3 %	0.8 %	0.3 %	11.2 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0.1 %	0.1 %	0 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %	0.1 %
Exchangeable Sodium	1 %	1 %	1 %	3 %	2 %	1 %	2 %	1 %	2 %	2 %	1 %	1 %	2 %	2 %	1 %
Electrical Conductivity	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0.1 dS m-1	0.1 dS m-1	0 dS m-1	0.1 dS m-1	0.2 dS m-1	0.1 dS m-1	0.2 dS m-1	0.1 dS m-1	0.2 dS m-1	0.1 dS m-1	0.2 dS m-1
Subsoil Properties
Gravel	10 %	5 %	1 %	26 %	1 %	4 %	1 %	17 %	1 %	1 %		17 %	1 %	1 %
Sand	23 %	26 %	22 %	59 %	43 %	54 %	43 %	14 %	25 %	43 %		14 %	25 %	43 %
Silt	39 %	46 %	44 %	20 %	30 %	16 %	17 %	17 %	28 %	30 %		17 %	28 %	30 %
Clay	38 %	28 %	34 %	21 %	27 %	30 %	40 %	69 %	47 %	27 %		69 %	47 %	27 %
USDA Texture	Clay loam	Clay loam	Clay loam	Sandy clay loam	Clay loam	Sandy clay loam	Clay	Clay (heavy)	Clay	Clay loam		Clay (heavy)	Clay	Clay loam
Reference Bulk Density	1.28 g/cm³	1.33 g/cm³	1.29 g/cm³	1.43 g/cm³	1.36 g/cm³	1.37 g/cm³	1.31 g/cm³	1.17 g/cm³	1.25 g/cm³	1.36 g/cm³		1.17 g/cm³	1.25 g/cm³	1.36 g/cm³
Bulk Density	1.16 g/cm³	0.94 g/cm³	0.96 g/cm³	1.18 g/cm³	1.39 g/cm³	1.32 g/cm³	1.48 g/cm³	1.1 g/cm³	1.4 g/cm³	1.39 g/cm³		1.1 g/cm³	1.4 g/cm³	1.39 g/cm³
Organic Carbon	0.58 %	1.27 %	0.7 %	0.17 %	0.34 %	0.27 %	0.39 %	1.02 %	0.41 %	0.34 %		1.02 %	0.41 %	0.34 %
PH	4.8	4.6	4.9	5.2	7	6.6	5.1	7.6	7.4	7		7.6	7.4	7
Clay Cation Exchange Capacity	25 cmol kg⁻¹	10 cmol kg⁻¹	10 cmol kg⁻¹	15 cmol kg⁻¹	52 cmol kg⁻¹	68 cmol kg⁻¹	11 cmol kg⁻¹	54 cmol kg⁻¹	56 cmol kg⁻¹	52 cmol kg⁻¹		54 cmol kg⁻¹	56 cmol kg⁻¹	52 cmol kg⁻¹
Soil Cation Exchange Capacity	11 cmol kg⁻¹	9 cmol kg⁻¹	6 cmol kg⁻¹	5 cmol kg⁻¹	15 cmol kg⁻¹	21 cmol kg⁻¹	6 cmol kg⁻¹	40 cmol kg⁻¹	28 cmol kg⁻¹	15 cmol kg⁻¹		40 cmol kg⁻¹	28 cmol kg⁻¹	15 cmol kg⁻¹
Base Saturation	33 %	22 %	44 %	41 %	94 %	91 %	38 %	97 %	99 %	94 %		97 %	99 %	94 %
Total Exchangeable Bases	3.6 cmol kg⁻¹	2 cmol kg⁻¹	2.6 cmol kg⁻¹	2.1 cmol kg⁻¹	14.1 cmol kg⁻¹	19.1 cmol kg⁻¹	2.3 cmol kg⁻¹	38.8 cmol kg⁻¹	27.7 cmol kg⁻¹	14.1 cmol kg⁻¹		38.8 cmol kg⁻¹	27.7 cmol kg⁻¹	14.1 cmol kg⁻¹
Calcium Carbonate	0 %	0 %	0 %	0 %	0.4 %	0.4 %	0 %	1.8 %	2 %	0.4 %		1.8 %	2 %	0.4 %
Calcium Sulphate	0 %	0 %	0 %	0 %	0.1 %	0.1 %	0 %	0.1 %	0.1 %	0.1 %		0.1 %	0.1 %	0.1 %
Exchangeable Sodium	1 %	2 %	2 %	2 %	2 %	1 %	3 %	1 %	2 %	2 %		1 %	2 %	2 %
Electrical Conductivity	0 dS m-1	0 dS m-1	0 dS m-1	0 dS m-1	0.2 dS m-1	0.1 dS m-1	0 dS m-1	0.1 dS m-1	0.3 dS m-1	0.2 dS m-1		0.1 dS m-1	0.3 dS m-1	0.2 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