Alkaline Fen & Transition Mire Survey of the North York Moors National
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Alkaline Fen & Transition Mire Survey of the North York Moors National Park & Bishop Monkton Ings Dr Phil Eades, Dr Ros Tratt, Dr Sue Shaw Sheffield Wetland Ecologists Report to: Natural England Contents 1. Introduction 1 2. Methodology 3 3. Results 4 4. Conclusions & Discussion 8 4.1 Summary of Surveyed Mire Types 8 4.2 ‘Goodness of Fit’ of Sampled Communities with the NVC 10 4.2.1 M9: Carex rostrata–Calliergon cuspidatum mire 10 4.2.2 M10: Pinguicula vulgaris–Carex dioica mire 10 4.2.3 M11: Carex demissa–Saxifraga aizoides mire 10 4.2.4 M13: Schoenus nigricans–Juncus subnodulosus mire 11 4.2.5 M14: Schoenus nigricans–Narthecium ossifragum mire 11 4.2.6 S27: Carex rostrata–Potentilla palustris tall herb fen 11 4.3 Regional & National Context 12 4.3.1 M9: Carex rostrata–Calliergon cuspidatum mire 12 4.3.2 M10: Pinguicula vulgaris–Carex dioica mire 12 4.3.3 M13: Schoenus nigricans–Juncus subnodulosus mire 12 4.3.4 M14: Schoenus nigricans–Narthecium ossifragum mire 12 4.4 Linking NVC Communities to EC Habitat Categories 13 4.4.1 H7230 Alkaline Fen 13 4.4.2 H7140 Transition Mire and Quaking Bog. 13 4.5 Hydro-geological Context & Possible Water Supply Mechanisms 14 4.6 Management Issues 20 4.7 Restoration Opportunities 22 5. Recommendations 23 5.1 Further Surveys 23 5.1.1 Jugger Howe Dale 23 5.1.2 Fen Bogs SAC (Newtondale SSSI) 23 5.1.3 Dalby Forest M13 sites (Seive Dale, Sand Dale, Rosekirk Dale, Troutsdale) 23 5.1.4 Other springs and seepages in the North York Moors SSSI 24 5.1.5 Caydale SSSI 24 5.1.6 Beck Hole SSSI 24 5.1.7 Mar Field Fen SSSI & other wetland in the Vale of York 24 5.1.8 Other notes 24 5.1.9 Higher Level Stewardship 25 5.2 Timing of Site Survey and monitoring 25 6. References 26 7. Electronic outputs 27 8. Annex 1: Site Accounts 28 North York Moors Alkaline Fen & Transition Mire Survey / SheffWet / June 2012 i 8.1 Arden Moor (Thorodale) (North York Moors SSSI) 29 8.1.1 Site Description 29 8.1.2 Stand Descriptions 29 8.1.3 Wetland Substrata & Water Supply 31 8.1.4 Site Management 31 8.2 Biller Howe Dale SSSI 34 8.2.1 Site Description 34 8.2.2 Stand Descriptions 34 8.2.3 Wetland Substrata & Water Supply 36 8.2.4 Site Management 37 8.3 Bishop Monkton Ings SSSI 43 8.3.1 Site Description 43 8.3.2 Stand Descriptions 43 8.3.3 Wetland Substrata & Water Supply 44 8.3.4 Site Management 44 8.4 Castlebeck Woods Fen 47 8.4.1 Site Description 47 8.4.2 Stand Description 47 8.4.3 Wetland Substrata & Water Supply 47 8.4.4 Site Management 47 8.5 Cawthorn Moor SSSI 50 8.5.1 Site Description 50 8.5.2 Stand Descriptions 50 8.5.3 Wetland Substrata & Water Supply 51 8.5.4 Site Management 51 8.6 Deepdale Meadow (Dalby Forest) 54 8.6.1 Site Description 54 8.6.2 Stand Descriptions 54 8.6.3 Wetland Substrata & Water Supply 54 8.6.4 Site Management 54 8.7 Dunsforth’s Hill 57 8.7.1 Site Description 57 8.7.2 Stand Descriptions 57 8.7.3 Wetland Substrata & Water Supply 58 8.7.4 Site Management 58 8.8 Hasty Bank Farm 61 8.8.1 Site Description 61 8.8.2 Stand Descriptions 61 8.8.3 Wetland Substrata & Water Supply 61 North York Moors Alkaline Fen & Transition Mire Survey / SheffWet / June 2012 ii 8.8.4 Site Management 61 8.9 Hole of Horcum SSSI 64 8.9.1 Site Description 64 8.9.2 Stand Descriptions 64 8.9.3 Wetland Substrata & Water Supply 65 8.9.4 Site Management 65 8.10 Jenny Thrush Spring (Dalby Forest) 68 8.10.1 Site Description 68 8.10.2 Stand Descriptions 68 8.10.3 Wetland Substrata & Water Supply 68 8.10.4 Site Management 68 8.11 Jugger Howe Beck (North York Moors SSSI) 69 8.11.1 Site Description 69 8.11.2 Stand Descriptions 69 8.11.3 Wetland Substrata & Water Supply 71 8.11.4 Site Management 71 8.12 Kepwick Moor (White Gill) (North York Moors SSSI) 76 8.12.1 Site Description 76 8.12.2 Stand Descriptions 76 8.12.3 Wetland Substrata & Water Supply 76 8.12.4 Site Management 76 8.13 Longstone Meadow 78 8.13.1 Site Description 78 8.13.2 Stand Descriptions 78 8.13.3 Wetland Substrata & Water Supply 78 8.13.4 Site Management 78 8.14 Low Moor (North York Moors SSSI) 81 8.14.1 Site Description 81 8.14.2 Stand Descriptions 81 8.14.3 Wetland Substrata & Water Supply 81 8.14.4 Site Management 81 8.15 Low Pasture SSSI 84 8.15.1 Site Description 84 8.15.2 Stand Descriptions 84 8.15.3 Wetland Substrata & Water Supply 84 8.15.4 Site Management 85 8.16 Noddle End SSSI 87 8.16.1 Site Description 87 8.16.2 Stand Descriptions 87 North York Moors Alkaline Fen & Transition Mire Survey / SheffWet / June 2012 iii 8.16.3 Wetland Substrata & Water Supply 88 8.16.4 Site Management 88 8.17 Riverhead Farm 92 8.17.1 Site Description 92 8.17.2 Stand Descriptions 92 8.17.3 Wetland Substrata & Water Supply 94 8.17.4 Site Management 94 8.18 Sand Dale (adjacent to Ellers Wood & Sand Dale SSSI) 98 8.18.1 Site Description 98 8.18.2 Stand Description 98 8.18.3 Wetland Substrata & Water Supply 98 8.18.4 Site Management 98 8.19 Scarth Wood Moor (North York Moors SSSI) 101 8.19.1 Site Description 101 8.19.2 Stand Descriptions 101 8.19.3 Wetland Substrata & Water Supply 102 8.19.4 Site Management 102 8.20 Snaper Farm Meadows SSSI 106 8.20.1 Site Description 106 8.20.2 Stand Descriptions 106 8.20.3 Wetland Substrata & Water Supply 107 8.20.4 Site Management 107 8.21 Stony Moor Sike 110 8.21.1 Site Description 110 8.21.2 Stand Descriptions 110 8.21.3 Wetland Substrata & Water Supply 112 8.21.4 Site Management 112 8.22 Troutsdale & Rosekirk Dale Fens SSSI 115 8.22.1 Site Description 115 8.22.2 Stand Descriptions 115 8.22.3 Wetland Substrata & Water Supply 116 8.22.4 Site Management 116 8.23 Carter’s House (Newtondale SSSI) 119 8.23.1 Site Description 119 8.23.2 Stand Descriptions 119 8.23.3 Wetland Substratum & Water Supply 119 8.23.4 Site Management 119 8.24 Chalybeate Spring (Newtondale SSSI) 120 8.24.1 Site Description 120 North York Moors Alkaline Fen & Transition Mire Survey / SheffWet / June 2012 iv 8.24.2 Stand Descriptions 120 8.24.3 Wetland Substrata & Water Supply 120 8.24.4 Site Management 120 8.25 Crab Apple Fields (Newtondale SSSI) 123 8.25.1 Site Description 123 8.25.2 Stand Descriptions 123 8.25.3 Wetland Substrata & Water Supply 123 8.25.4 Site Management 123 8.26 Fen Bogs (Newtondale SSSI) 126 8.26.1 Site Description 126 8.26.2 Stand Descriptions 127 8.26.3 Wetland Substrata & Water Supply 128 8.26.4 Site Management 128 8.27 Fen House (Newtondale SSSI) 131 8.27.1 Site Description 131 8.27.2 Stand Descriptions 131 8.27.3 Wetland Substrata & Water Supply 131 8.27.4 Site Management 131 8.28 Hagg Wood Marsh (Newtondale SSSI) 134 8.28.1 Site Description 134 8.28.2 Stand Descriptions 134 8.28.3 Wetland Substrata & Water Supply 134 8.28.4 Site Management 134 8.29 Havern Beck (Newtondale SSSI) 137 8.29.1 Site Description 137 8.29.2 Stand Descriptions 137 8.29.3 Wetland Substrata & Water Supply 138 8.29.4 Site Management 138 8.30 Kidstye Farm (Newtondale SSSI) 141 8.30.1 Site Description 141 8.30.2 Stand Descriptions 141 8.30.3 Wetland Substrata & Water Supply 141 8.30.4 Site Management 141 8.31 Levisham Bottom (Newtondale SSSI) 144 8.31.1 Site Description 144 8.31.2 Stand Descriptions 144 8.31.3 Wetland Substrata & Water Supply 144 8.31.4 Site Management 145 8.32 Ness Head (Newtondale SSSI) 147 North York Moors Alkaline Fen & Transition Mire Survey / SheffWet / June 2012 v 8.32.1 Site Description 147 8.32.2 Stand Descriptions 147 8.32.3 Wetland Substrata & Water Supply 147 8.32.4 Site Management 147 8.33 North Dale (Newtondale SSSI) 149 8.33.1 Site Description 149 8.33.2 Stand Descriptions 149 8.33.3 Wetland Substrata & Water Supply 151 8.33.4 Site Management 151 8.34 Northdale Scar (Newtondale SSSI) 157 8.34.1 Site Description 157 8.34.2 Stand Descriptions 157 8.34.3 Wetland Substrata & Water Supply 157 8.34.4 Site Management 158 8.35 Raindale Beck (Newtondale SSSI) 159 8.35.1 Site Description 159 8.36 Raygate Slack (Newtondale SSSI) 159 8.36.1 Site Description 159 8.37 Rhumbard Snout (Newtondale SSSI) 160 8.37.1 Site Description 160 8.37.2 Stand Descriptions 160 8.37.3 Wetland Substrata & Water Supply 160 8.37.4 Site Management 160 9. Annex 2: MATCH outputs 163 10. Annex 3: Ecohydrological observations at Bishop Monkton Ings SSSI, North Yorkshire 192 11.