Sinharaja Forest Reserve
— Protected Area Boundary | | A | B | | | | | | Share | 40 % | 30 % | 10 % | 10 % | 10 % | 30 % | 20 % | 20 % | 10 % | 10 % | 10 % | | Soil Type | Humic Acrisols | Orthic Acrisols | Dystric Histosols | Dystric Fluvisols | Lithosols | Orthic Acrisols | Ferralic Cambisols | Ferric Acrisols | Dystric Fluvisols | Lithosols | Gleysols | | Topsoil Texture | Medium | Medium | Medium | Medium | Medium | Medium | Medium | Medium | Medium | Medium | Medium | | Reference Depth | 100 cm | 100 cm | 100 cm | 100 cm | 10 cm | 100 cm | 100 cm | 100 cm | 100 cm | 10 cm | 100 cm | | Drainage | Moderately well | Moderately well | Very poor | Poor | Imperfectly | Moderately well | Moderately well | Moderately well | Poor | Imperfectly | Poor | | Available Water Capacity | 75 m | 150 m | 150 m | 150 m | 15 mm | 150 m | 150 m | 150 m | 150 m | 15 mm | 150 m | | Phase 1 | Stony | | | | | | | | | | | | Topsoil Properties | | Gravel | 5 % | 10 % | 1 % | 4 % | 26 % | 10 % | 1 % | 23 % | 4 % | 26 % | 4 % | | Sand | 46 % | 49 % | 26 % | 49 % | 43 % | 49 % | 52 % | 53 % | 49 % | 43 % | 38 % | | Silt | 30 % | 27 % | 33 % | 32 % | 34 % | 27 % | 25 % | 22 % | 32 % | 34 % | 40 % | | Clay | 24 % | 24 % | 41 % | 19 % | 23 % | 24 % | 23 % | 25 % | 19 % | 23 % | 22 % | | USDA Texture | Loam | Sandy clay loam | Clay | Loam | Loam | Sandy clay loam | Sandy clay loam | Sandy clay loam | Loam | Loam | Loam | | Reference Bulk Density | 1.39 g/cm³ | 1.4 g/cm³ | 1.27 g/cm³ | 1.43 g/cm³ | 1.39 g/cm³ | 1.4 g/cm³ | 1.41 g/cm³ | 1.4 g/cm³ | 1.43 g/cm³ | 1.39 g/cm³ | 1.39 g/cm³ | | Bulk Density | 1.3 g/cm³ | 1.4 g/cm³ | 0.15 g/cm³ | 1.33 g/cm³ | 1.3 g/cm³ | 1.4 g/cm³ | 1.31 g/cm³ | 1.4 g/cm³ | 1.33 g/cm³ | 1.3 g/cm³ | 1.33 g/cm³ | | Organic Carbon | 1.73 % | 1 % | 30.73 % | 1.1 % | 1.4 % | 1 % | 0.95 % | 0.98 % | 1.1 % | 1.4 % | 1.27 % | | PH | 5 | 4.6 | 4.4 | 5 | 7.6 | 4.6 | 4.7 | 5.1 | 5 | 7.6 | 5.8 | | Clay Cation Exchange Capacity | 19 cmol kg⁻¹ | 16 cmol kg⁻¹ | 46 cmol kg⁻¹ | 24 cmol kg⁻¹ | 42 cmol kg⁻¹ | 16 cmol kg⁻¹ | 16 cmol kg⁻¹ | 14 cmol kg⁻¹ | 24 cmol kg⁻¹ | 42 cmol kg⁻¹ | 35 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 9 cmol kg⁻¹ | 7 cmol kg⁻¹ | 77 cmol kg⁻¹ | 7 cmol kg⁻¹ | 15 cmol kg⁻¹ | 7 cmol kg⁻¹ | 6 cmol kg⁻¹ | 6 cmol kg⁻¹ | 7 cmol kg⁻¹ | 15 cmol kg⁻¹ | 12 cmol kg⁻¹ | | Base Saturation | 27 % | 44 % | 58 % | 36 % | 100 % | 44 % | 39 % | 49 % | 36 % | 100 % | 82 % | | Total Exchangeable Bases | 2.5 cmol kg⁻¹ | 3.5 cmol kg⁻¹ | 24.8 cmol kg⁻¹ | 2.9 cmol kg⁻¹ | 15.6 cmol kg⁻¹ | 3.5 cmol kg⁻¹ | 2.6 cmol kg⁻¹ | 2.7 cmol kg⁻¹ | 2.9 cmol kg⁻¹ | 15.6 cmol kg⁻¹ | 8.8 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 0 % | 0 % | 3.9 % | 0 % | 0 % | 0 % | 0 % | 3.9 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 1 % | 1 % | 1 % | 2 % | 4 % | 1 % | 2 % | 2 % | 2 % | 4 % | 2 % | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | | Subsoil Properties | | Gravel | 7 % | 10 % | 5 % | 8 % | | 10 % | 5 % | 19 % | 8 % | | 5 % | | Sand | 41 % | 40 % | 41 % | 52 % | | 40 % | 48 % | 41 % | 52 % | | 37 % | | Silt | 26 % | 24 % | 30 % | 28 % | | 24 % | 24 % | 20 % | 28 % | | 35 % | | Clay | 33 % | 36 % | 29 % | 20 % | | 36 % | 28 % | 39 % | 20 % | | 28 % | | USDA Texture | Clay loam | Clay loam | Clay loam | Loam | | Clay loam | Sandy clay loam | Clay loam | Loam | | Clay loam | | Reference Bulk Density | 1.34 g/cm³ | 1.32 g/cm³ | 1.36 g/cm³ | 1.43 g/cm³ | | 1.32 g/cm³ | 1.37 g/cm³ | 1.31 g/cm³ | 1.43 g/cm³ | | 1.35 g/cm³ | | Bulk Density | 1.35 g/cm³ | 1.4 g/cm³ | 0.11 g/cm³ | 1.29 g/cm³ | | 1.4 g/cm³ | 1.3 g/cm³ | 1.4 g/cm³ | 1.29 g/cm³ | | 1.43 g/cm³ | | Organic Carbon | 0.77 % | 0.42 % | 34.81 % | 0.42 % | | 0.42 % | 0.35 % | 0.39 % | 0.42 % | | 0.42 % | | PH | 5.2 | 4.8 | 4.5 | 5 | | 4.8 | 4.9 | 5 | 5 | | 6.3 | | Clay Cation Exchange Capacity | 15 cmol kg⁻¹ | 14 cmol kg⁻¹ | 84 cmol kg⁻¹ | 22 cmol kg⁻¹ | | 14 cmol kg⁻¹ | 12 cmol kg⁻¹ | 12 cmol kg⁻¹ | 22 cmol kg⁻¹ | | 38 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 7 cmol kg⁻¹ | 6 cmol kg⁻¹ | 79 cmol kg⁻¹ | 7 cmol kg⁻¹ | | 6 cmol kg⁻¹ | 5 cmol kg⁻¹ | 6 cmol kg⁻¹ | 7 cmol kg⁻¹ | | 12 cmol kg⁻¹ | | Base Saturation | 21 % | 32 % | 56 % | 28 % | | 32 % | 57 % | 33 % | 28 % | | 86 % | | Total Exchangeable Bases | 3 cmol kg⁻¹ | 2.3 cmol kg⁻¹ | 28.4 cmol kg⁻¹ | 1.9 cmol kg⁻¹ | | 2.3 cmol kg⁻¹ | 3.7 cmol kg⁻¹ | 1.3 cmol kg⁻¹ | 1.9 cmol kg⁻¹ | | 9.5 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 0 % | 0 % | | 0 % | 0 % | 0 % | 0 % | | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | | 0 % | 0 % | 0 % | 0 % | | 0 % | | Exchangeable Sodium | 1 % | 2 % | 1 % | 2 % | | 2 % | 2 % | 2 % | 2 % | | 2 % | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | | 0.1 dS m-1 |
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