Oregon Caves National Monument
— Protected Area Boundary | | A | | | | | Share | 70 % | 30 % | | Soil Type | Orthic Acrisols | Humic Cambisols | | Topsoil Texture | Medium | Medium | | Reference Depth | 100 cm | 100 cm | | Drainage | Moderately well | Moderately well | | Available Water Capacity | 75 m | 150 m | | Phase 1 | Stony | | | Topsoil Properties | | Gravel | 10 % | 8 % | | Sand | 49 % | 41 % | | Silt | 27 % | 36 % | | Clay | 24 % | 23 % | | USDA Texture | Sandy clay loam | Loam | | Reference Bulk Density | 1.4 g/cm³ | 1.39 g/cm³ | | Bulk Density | 1.4 g/cm³ | 1.1 g/cm³ | | Organic Carbon | 1 % | 2.72 % | | PH | 4.6 | 5.2 | | Clay Cation Exchange Capacity | 16 cmol kg⁻¹ | 54 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 7 cmol kg⁻¹ | 21 cmol kg⁻¹ | | Base Saturation | 44 % | 24 % | | Total Exchangeable Bases | 3.5 cmol kg⁻¹ | 5 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | | Calcium Sulphate | 0 % | 0 % | | Exchangeable Sodium | 1 % | 1 % | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 | | Subsoil Properties | | Gravel | 10 % | 8 % | | Sand | 40 % | 44 % | | Silt | 24 % | 32 % | | Clay | 36 % | 24 % | | USDA Texture | Clay loam | Loam | | Reference Bulk Density | 1.32 g/cm³ | 1.39 g/cm³ | | Bulk Density | 1.4 g/cm³ | 1.16 g/cm³ | | Organic Carbon | 0.42 % | 1.03 % | | PH | 4.8 | 5.2 | | Clay Cation Exchange Capacity | 14 cmol kg⁻¹ | 38 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 6 cmol kg⁻¹ | 15 cmol kg⁻¹ | | Base Saturation | 32 % | 30 % | | Total Exchangeable Bases | 2.3 cmol kg⁻¹ | 2.5 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | | Calcium Sulphate | 0 % | 0 % | | Exchangeable Sodium | 2 % | 2 % | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 |
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