La Selva Biological Station
— Protected Area Boundary | | A | B | C | | | | | | | Share | 60 % | 40 % | 60 % | 25 % | 15 % | | | Soil Type | Umbric Andosols | Haplic Andosols | Humic Nitisols | Humic Cambisols | Ferric Acrisols | Humic Cambisols | | Topsoil Texture | Fine | Medium | Fine | Fine | Medium | Fine | | Reference Depth | 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 | | Available Water Capacity | 150 m | 150 m | 150 m | 150 m | 150 m | 150 m | | Topsoil Properties | | Gravel | 1 % | 1 % | 1 % | 6 % | 1 % | 6 % | | Sand | 13 % | 32 % | 24 % | 26 % | 55 % | 26 % | | Silt | 13 % | 43 % | 27 % | 36 % | 18 % | 36 % | | Clay | 74 % | 25 % | 49 % | 38 % | 27 % | 38 % | | USDA Texture | Clay (heavy) | Loam | Clay | Clay loam | Sandy clay loam | Clay loam | | Reference Bulk Density | 1.16 g/cm³ | 1.35 g/cm³ | 1.24 g/cm³ | 1.28 g/cm³ | 1.39 g/cm³ | 1.28 g/cm³ | | Bulk Density | 0.62 g/cm³ | 0.78 g/cm³ | 1.18 g/cm³ | 1.27 g/cm³ | 1.41 g/cm³ | 1.27 g/cm³ | | Organic Carbon | 6.84 % | 4.67 % | 2.45 % | 2.98 % | 0.95 % | 2.98 % | | PH | 4.9 | 6 | 5.3 | 4.9 | 5.2 | 4.9 | | Clay Cation Exchange Capacity | | 58 cmol kg⁻¹ | 21 cmol kg⁻¹ | 50 cmol kg⁻¹ | 10 cmol kg⁻¹ | 50 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 23 cmol kg⁻¹ | 31 cmol kg⁻¹ | 20 cmol kg⁻¹ | 29 cmol kg⁻¹ | 6 cmol kg⁻¹ | 29 cmol kg⁻¹ | | Base Saturation | 13 % | 51 % | 27 % | 20 % | 57 % | 20 % | | Total Exchangeable Bases | 3 cmol kg⁻¹ | 15.8 cmol kg⁻¹ | 5.4 cmol kg⁻¹ | 5.8 cmol kg⁻¹ | 3.4 cmol kg⁻¹ | 5.8 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 1 % | 1 % | 1 % | 1 % | 2 % | 1 % | | 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 | | Subsoil Properties | | Gravel | 1 % | 1 % | 1 % | 7 % | 1 % | 7 % | | Sand | 11 % | 35 % | 18 % | 32 % | 43 % | 32 % | | Silt | 33 % | 40 % | 21 % | 33 % | 17 % | 33 % | | Clay | 56 % | 25 % | 61 % | 35 % | 40 % | 35 % | | USDA Texture | Clay | Loam | Clay (heavy) | Clay loam | Clay | Clay loam | | Reference Bulk Density | 1.2 g/cm³ | 1.36 g/cm³ | 1.2 g/cm³ | 1.3 g/cm³ | 1.31 g/cm³ | 1.3 g/cm³ | | Bulk Density | 0.77 g/cm³ | 0.78 g/cm³ | 1.25 g/cm³ | 1.29 g/cm³ | 1.48 g/cm³ | 1.29 g/cm³ | | Organic Carbon | 4.19 % | 1.83 % | 0.96 % | 0.61 % | 0.39 % | 0.61 % | | PH | 4.7 | 6.1 | 5.4 | 5.3 | 5.1 | 5.3 | | Clay Cation Exchange Capacity | 2 cmol kg⁻¹ | 61 cmol kg⁻¹ | 16 cmol kg⁻¹ | 44 cmol kg⁻¹ | 11 cmol kg⁻¹ | 44 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 16 cmol kg⁻¹ | 22 cmol kg⁻¹ | 20 cmol kg⁻¹ | 18 cmol kg⁻¹ | 6 cmol kg⁻¹ | 18 cmol kg⁻¹ | | Base Saturation | 16 % | 80 % | 29 % | 22 % | 38 % | 22 % | | Total Exchangeable Bases | 2.6 cmol kg⁻¹ | 17.6 cmol kg⁻¹ | 5.8 cmol kg⁻¹ | 4 cmol kg⁻¹ | 2.3 cmol kg⁻¹ | 4 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 1 % | 2 % | 1 % | 1 % | 3 % | 1 % | | 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 |
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