Coedydd a Cheunant Rheidol/ Rheidol Woods and Gorge
— Protected Area Boundary | | A | | | | | Share | 50 % | 15 % | 10 % | 10 % | 10 % | | Soil Type | Dystric Cambisols | Dystric Cambisols | Ferric Podzols | Dystric Gleysols | Umbric Leptosols | | Topsoil Texture | Medium | Medium | Medium | Medium | Medium | | Reference Depth | 100 cm | 100 cm | 100 cm | 100 cm | 30 cm | | Drainage | Imperfectly | Imperfectly | Imperfectly | Poor | Imperfectly | | Available Water Capacity | 50 m | 50 m | 50 m | 75 m | 15 mm | | Phase 1 | Lithic | Lithic | Lithic | Lithic | | | Root Obstacle | 60 - 80 cm | 60 - 80 cm | 60 - 80 cm | 60 - 80 cm | | | Impermeable Layer | None to 150 cm | None to 150 cm | 0 - 40 cm | None to 150 cm | | | Soil Water Regime | Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month | Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month | Wet within 40 cm depth for over 11 month | Wet within 40 cm depth for over 11 month | | | Topsoil Properties | | Gravel | 10 % | 10 % | 15 % | 2 % | 6 % | | Sand | 42 % | 42 % | 45 % | 40 % | 49 % | | Silt | 38 % | 38 % | 52 % | 39 % | 31 % | | Clay | 20 % | 20 % | 3 % | 21 % | 20 % | | USDA Texture | Loam | Loam | Silt loam | Loam | Loam | | Reference Bulk Density | 1.41 g/cm³ | 1.41 g/cm³ | 1.7 g/cm³ | 1.4 g/cm³ | 1.43 g/cm³ | | Bulk Density | 1.3 g/cm³ | 1.3 g/cm³ | 0.96 g/cm³ | 1.3 g/cm³ | 1.1 g/cm³ | | Organic Carbon | 1.45 % | 1.45 % | 4.6 % | 1.17 % | 2.4 % | | PH | 5.1 | 5.1 | 4.6 | 5.1 | 5.1 | | Clay Cation Exchange Capacity | 32 cmol kg⁻¹ | 32 cmol kg⁻¹ | 64 cmol kg⁻¹ | 25 cmol kg⁻¹ | 34 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 12 cmol kg⁻¹ | 12 cmol kg⁻¹ | 20 cmol kg⁻¹ | 11 cmol kg⁻¹ | 12 cmol kg⁻¹ | | Base Saturation | 38 % | 38 % | 10 % | 47 % | 36 % | | Total Exchangeable Bases | 4.3 cmol kg⁻¹ | 4.3 cmol kg⁻¹ | 4.4 cmol kg⁻¹ | 5.5 cmol kg⁻¹ | 4.7 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 0 % | 0 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 2 % | 2 % | 1 % | 1 % | 4 % | | 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 | | Subsoil Properties | | Gravel | 19 % | 19 % | 17 % | 6 % | | | Sand | 45 % | 45 % | 51 % | 41 % | | | Silt | 35 % | 35 % | 45 % | 34 % | | | Clay | 20 % | 20 % | 4 % | 25 % | | | USDA Texture | Loam | Loam | Sandy loam | Loam | | | Reference Bulk Density | 1.42 g/cm³ | 1.42 g/cm³ | 1.67 g/cm³ | 1.38 g/cm³ | | | Bulk Density | 1.36 g/cm³ | 1.36 g/cm³ | 1.29 g/cm³ | 1.36 g/cm³ | | | Organic Carbon | 0.5 % | 0.5 % | 0.81 % | 0.4 % | | | PH | 5.2 | 5.2 | 5.1 | 5.3 | | | Clay Cation Exchange Capacity | 35 cmol kg⁻¹ | 35 cmol kg⁻¹ | 56 cmol kg⁻¹ | 29 cmol kg⁻¹ | | | Soil Cation Exchange Capacity | 9 cmol kg⁻¹ | 9 cmol kg⁻¹ | 9 cmol kg⁻¹ | 10 cmol kg⁻¹ | | | Base Saturation | 33 % | 33 % | 13 % | 47 % | | | Total Exchangeable Bases | 2.6 cmol kg⁻¹ | 2.6 cmol kg⁻¹ | 0.8 cmol kg⁻¹ | 6.1 cmol kg⁻¹ | | | Calcium Carbonate | 0 % | 0 % | 0 % | 0 % | | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | | | Exchangeable Sodium | 2 % | 2 % | 2 % | 1 % | | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | |
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