Bighorn Canyon National Recreation Area
— Protected Area Boundary | | A | B | | | | | | Share | 70 % | 30 % | 50 % | 30 % | 10 % | 10 % | | Soil Type | Albic Luvisols | Orthic Podzols | Calcaric Regosols | Luvic Xerosols | Orthic Solonetz | Eutric Fluvisols | | Topsoil Texture | Medium | Coarse | Medium | Medium | Medium | Medium | | Reference Depth | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | | Drainage | Moderately well | Somewhat excessive | Moderately well | Moderately well | Moderately well | Poor | | Available Water Capacity | 150 m | 100 m | 150 m | 150 m | 150 m | 150 m | | Topsoil Properties | | Gravel | 10 % | 4 % | 17 % | 4 % | 6 % | 4 % | | Sand | 37 % | 85 % | 43 % | 58 % | 47 % | 39 % | | Silt | 44 % | 11 % | 35 % | 18 % | 28 % | 41 % | | Clay | 19 % | 4 % | 22 % | 24 % | 25 % | 20 % | | USDA Texture | Loam | Loamy sand | Loam | Sandy clay loam | Loam | Loam | | Reference Bulk Density | 1.41 g/cm³ | 1.73 g/cm³ | 1.4 g/cm³ | 1.42 g/cm³ | 1.39 g/cm³ | 1.41 g/cm³ | | Bulk Density | 1.42 g/cm³ | 1.36 g/cm³ | 1.4 g/cm³ | 1.56 g/cm³ | 1.53 g/cm³ | 1.36 g/cm³ | | Organic Carbon | 0.82 % | 2.09 % | 0.77 % | 0.5 % | 0.66 % | 0.9 % | | PH | 6 | 4.5 | 8 | 7.3 | 8.1 | 7.3 | | Clay Cation Exchange Capacity | 53 cmol kg⁻¹ | 98 cmol kg⁻¹ | 40 cmol kg⁻¹ | 47 cmol kg⁻¹ | 46 cmol kg⁻¹ | 62 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 14 cmol kg⁻¹ | 10 cmol kg⁻¹ | 17 cmol kg⁻¹ | 12 cmol kg⁻¹ | 16 cmol kg⁻¹ | 16 cmol kg⁻¹ | | Base Saturation | 83 % | 16 % | 100 % | 98 % | 100 % | 91 % | | Total Exchangeable Bases | 16.3 cmol kg⁻¹ | 2.5 cmol kg⁻¹ | 31.1 cmol kg⁻¹ | 15.9 cmol kg⁻¹ | 21.1 cmol kg⁻¹ | 16.4 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 15 % | 3.8 % | 5.8 % | 1 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 1 % | 1 % | 2 % | 2 % | 13 % | 2 % | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 | 0.3 dS m-1 | 0.1 dS m-1 | 0.6 dS m-1 | 0.1 dS m-1 | | Subsoil Properties | | Gravel | 19 % | 5 % | 18 % | 3 % | 8 % | 8 % | | Sand | 33 % | 84 % | 38 % | 54 % | 40 % | 41 % | | Silt | 35 % | 11 % | 36 % | 17 % | 27 % | 38 % | | Clay | 32 % | 5 % | 26 % | 29 % | 33 % | 21 % | | USDA Texture | Clay loam | Loamy sand | Loam | Sandy clay loam | Clay loam | Loam | | Reference Bulk Density | 1.32 g/cm³ | 1.7 g/cm³ | 1.36 g/cm³ | 1.38 g/cm³ | 1.33 g/cm³ | 1.4 g/cm³ | | Bulk Density | 1.58 g/cm³ | 1.51 g/cm³ | 1.52 g/cm³ | 1.56 g/cm³ | 1.58 g/cm³ | 1.39 g/cm³ | | Organic Carbon | 0.39 % | 0.59 % | 0.53 % | 0.3 % | 0.29 % | 0.4 % | | PH | 6.3 | 4.8 | 8.1 | 7.8 | 8.5 | 7.5 | | Clay Cation Exchange Capacity | 56 cmol kg⁻¹ | 63 cmol kg⁻¹ | 50 cmol kg⁻¹ | 37 cmol kg⁻¹ | 57 cmol kg⁻¹ | 58 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 21 cmol kg⁻¹ | 4 cmol kg⁻¹ | 15 cmol kg⁻¹ | 12 cmol kg⁻¹ | 19 cmol kg⁻¹ | 14 cmol kg⁻¹ | | Base Saturation | 89 % | 23 % | 100 % | 100 % | 100 % | 97 % | | Total Exchangeable Bases | 18.1 cmol kg⁻¹ | 1.6 cmol kg⁻¹ | 41.1 cmol kg⁻¹ | 22.1 cmol kg⁻¹ | 35.7 cmol kg⁻¹ | 15.1 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 15 % | 9 % | 7.4 % | 3.9 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0.1 % | 0 % | | Exchangeable Sodium | 1 % | 2 % | 1 % | 3 % | 39 % | 3 % | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 | 0.3 dS m-1 | 0.2 dS m-1 | 2.7 dS m-1 | 0.1 dS m-1 |
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