pigs 107 poaching 110 ponies 106 sheep 106 stocking rates 108 timing 107 water buffalo 105 Grazing Animals Project 101, 273 Great <strong>Fen</strong> Project 9, 79, 185 groundwater 5, 16, 19, 37-9, 42-3, 45-7, 49, 50-3, 55, 57, 59-60, 62, 67-8, 73, 81-3, 86-7, 89, 92- 4, 102, 126, 141, 143-7, 155, 160, 166-8, 173, 179, 182, 186, 194, 196-7, 210, 212-3, 219, 225, 228, 231-2, 236-7, 261-2, 271-2, 297, 319, 324 H Habitats Directive 34, 95, 265, 283 health and safety 212, 243, 254 heather bales 159, 166 hydrological regime 37, 44-5, 51, 55, 77, 82-3, 88, 90, 148, 191, 201, 297 hydrology 7, 30, 37-8, 42, 45, 47, 50, 54, 63, 77-8, 83, 85, 90, 94, 143-5, 148, 165, 167, 184-5, 191, 195, 210-1, 221, 298 management 143-59 monitoring 225-31 hydroseral succession 8, 118, 126 I interpretation 48, 96, 155, 214, 225, 232-3, 238, 240, 243-4, 245, 250-1, 253, 255, 264, 315 invertebrates monitoring 12-3, 22, 30-2, 36, 50, 75, 81-2, 85, 98, 102, 105-7, 110, 113-4, 118, 127, 129, 132-5, 152, 154, 157, 161-2, 164, 213, 223, 300-2, 307-9, 311-3, 315-6, 318 surveys 12-3, 22, 30-2, 36, 50, 75, 81-2, 85, 98, 102, 105-7, 110, 113-4, 118, 127, 129, 132-5, 152, 154, 157, 161-2, 164, 213, 223, 300-2, 307-9, 311-3, 315-6, 318 K Kingfisher Bridge 206 L land level 6, 146-8 legislation 34, 143, 157, 262, 265, 293, 295-6, 301, 305 Lough Beg 79-80, 108 M mammals 6, 82, 106, 118, 245, 274, 279 marsh 5, 13-4, 16-8, 21, 23-4, 26-7, 32-3, 35, 76, 80, 132, 149, 165, 203, 261, 271, 274-6, 278-80, 284, 301-4, 309-12, 318 mesotrophic 18, 44, 66, 125, 224, 286-9, 292, 310, 322 mineralisation 56, 64, 71, 100, 172, 180, 229 minerotrophic 66, 319 modelling 214, 234, 236 monitoring 44, 47-8, 52, 54-5, 66, 70-1, 89, 94-5, 103, 108-9, 112, 148, 162, 181, 188, 192, 201, 210-15, 219-35, 243-4, 256, 310, 312-3, 325 grazing 112 invertebrates 224 nutrients 229-31 vegetation 215-23 Montiaghs Moss 87, 104, 161 N National Vegetation Classification (NVC) 12 neighbours 79, 176, 241-3 New Forest Wetlands Project 159 nitrification 56 nitrogen 44, 55-60, 63-4, 67, 70-2, 125, 150, 173-4, 176, 178-80, 197, 215, 230, 261, 271-2, 320-2 nurse crops 208 nutrients 5, 15, 44-6, 55-61, 63-4, 66-8, 70-1, 77-8, 83, 92, 95, 99, 102, 118-9, 125, 128, 142, 146, 150-2, 165, 169, 171-80, 196, 208, 210, 212, 229, 230, 242, 246, 259, 261, 271-2, 299-300, 322 assessment 66-72 enrichment 59-63 management 169-231 monitoring 229-31 sources 58 nutrient status 7, 44, 56, 59, 66, 68, 70-2, 77-8, 90, 101, 156, 165, 179, 191, 197, 206, 229, 230, 234 O oligotrophic 34, 44, 60, 66, 97-8, 224, 278, 286, 288- 9, 290-1 ombrogenous 136, 263, 292 otter 29, 50, 143, 223, 301 P paths permanent 94, 122, 138, 240-1, 243, 245-6, 253-5, 262, 264 temporary 94, 122, 138, 240-1, 243, 245-6, 253-5, 262, 264 peat 7, 8, 10, 19, 21, 34, 37, 39, 43, 46, 48, 50, 60, 63-4, 66, 71-3, 82-4, 88, 93-4, 96-7, 109, 118- 20, 122-3, 126, 132-3, 136, 145-50, 152, 153-6, 158-61, 165-7, 172, 177-80, 182, 185-7, 202, 204, 206, 208, 227, 229, 232, 239-40, 243, 246- 8, 253, 255, 260, 262-3, 271-2, 285, 287, 291, 299, 309, 316, 319-21, 324 pH 13, 43, 45-6, 56, 66-7, 70-2, 93, 126, 156, 165, 179, 191, 195-6, 197, 201, 215, 229, 263, 271- 2, 281, 285-91, 298 phytometry 150 phytophagous 30, 32-3, 309 pingo 281 plug plants 202-3 poor fens 60, 64 Portmore Lough 123, 161, 163 R Ramsar 34, 90, 93, 97 Redgrave and Lopham <strong>Fen</strong> 95, 149, 160 reedbed filtration 146, 169 reptiles 107, 140 residency time 43, 176 rewetting 168 rich fens 17, 30, 43, 60, 65, 127, 186 S scrub 8, 22, 27, 32-3, 42, 53, 72, 75-7, 86, 90, 93-4, 97-103, 105-10, 119-23, 127, 129, 130, 132-5, 161, 164, 208, 220, 229, 241, 259, 278-81, 298, 300-2, 304, 305-7, 309-10, 312, 315-7 control 123 331
cutting 114 disposal 117 management 121-23 seed 90, 107, 110, 124, 127, 133-4, 149, 152, 154, 179, 191, 202-3, 205-7, 301, 304, 322, 325 seed bombs 203 seepages 30, 33, 39, 42, 62, 73, 92, 167, 236, 290, 309 silt traps 127, 151, 153 site assessment 74, 193, 213, 310, 312 fen creation 44-5 hydrology 67-72 nutrients 66-72 sluices 90, 143, 145-6, 151, 157, 191, 194, 200-2, 253, 266, 294 soil analysis 197 soil inversion 180 soligenous fens 194, 286, 291-2 springs 16-7, 34, 39, 42-3, 49, 67, 88, 92, 126, 144, 167, 182, 187, 195, 236-7, 289, 291-2 Site of Special Scientific Interest (SSSI) 80-1, 84, 90, 311-2 stakeholders 79, 188, 241, 243, 256 stand 120, 140, 154, 188 succession 8, 64, 74-6, 82, 84, 87, 99-100, 102-3, 110, 118, 124, 126, 129-130, 133-4, 142, 157, 161, 210, 297-8 surface water 19, 37-40, 42, 45-6, 53-4, 57-9, 63-4, 73, 82, 109, 146-7, 156, 176, 186, 228-9, 231- 2, 235, 261, 272, 319, 326 T thatching 6, 112-3, 117, 132, 238, 240, 257-8 topogenous fens 146, 194 U UK Biodiversity Action Plan 86, 280 V vegetation burning 117-20 cutting 114 establishment 202-08 machinery 115-17 mowing 114 re-establishment 124-52 visitors management 244-52 survey 243 W water chemistry 30, 65, 93, 297, 321 water level 24, 44, 50-1, 53, 88-9, 94, 124, 142-5, 152, 155, 157-9, 172, 200-2, 210, 213, 225-9, 234, 236, 262, 287, 321 groundwater 39 management 148-60 monitoring 225-29 water table 44, 46, 77, 95, 142, 148, 155, 157, 159, 160-1, 165-6, 179, 193, 200, 203, 226, 240, 247, 272, 286-7, 291-2, 303, 306, 317, 320 Wetland Vision 84-5, 87, 185, 187-8, 190, 268-9, 323 Wicken <strong>Fen</strong> 14, 24, 31, 79, 118, 240, 242, 245, 248- 9, 252, 259, 298, 326 withies 258 332
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The Fen Management Handbook Edited
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Acknowledgements Production of the
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1. Introduction and Basic Principle
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Estimates of the original coverage
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Guiding principles for fen manageme
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Section 12: Fens from an Economic P
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2.1 Diversity and conservation sign
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Part of Cropple How Mire in Cumbria
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The moss flora of base-rich springs
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Bog bean growing in a transitional
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Mesotrophic openwater transition fe
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Water shrews (Neomys fodiens), also
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2.4.1 Vegetated margins of open wat
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2.4.3 Grazed or cut fen in floodpla
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2.6 Amphibians Amphibians are depen
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The mud snail Omphiscola glabra (12
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Old trees and dead wood Continuous
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Vascular plants Flat-sedge Blysmus
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3. Understanding Fen Hydrology Quan
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Groundwater discharge to fens is us
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Water Table 3.4.1.4 Spring fed fen
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3.5 Factors determining fen type 3.
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- Flooding - frequency and magnitud
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3.7 Further information and advice
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Groundwater inflow. Groundwater lev
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It is likely that groundwater disch
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Case Study 3.3 Hydro(geo)logical im
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4. Understanding Fen Nutrients Nutr
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nutrients. For example, at high con
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4.2.1 Groundwater and surface water
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4.2.3 Point and diffuse sources of
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Area of acute nutrient enrichment o
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4.4 Classifying water chemistry usi
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4.6 Identifying nutrient enrichment
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Negative indicator species for diff
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Many of the floristic changes which
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Case Study 4.1 Understanding Fen Nu
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5.1 Why do fens need management? In
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5.2 Checklist of key stages in deci
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5.3.3 Scale Although fens are linke
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5.4 Site survey to establish what i
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variability and how these relate to
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- The fauna which inhabit the fen c
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- Prioritise objectives to achieve
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inundation are less likely to be sp
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5.13 References Barsoum, N., Anders
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Case Study 5.2 Fen Management and R
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- 14km of livestock fencing install
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Case Study 5.3 Fen Management and R
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6. Fen Management and Restoration -
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Both the benefits and potentially l
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Cattle forced by flooding to the ed
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At low/medium stocking density, cat
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Goats have narrow muzzles and a fle
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Fens usually feature a range of dif
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Excessive poaching where cattle hav
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extensive areas of wetlands which w
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‘Soft track’ machines, such as
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The design of the pipeline allows f
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Protocol for burning standing reedb
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Long rotation scrub clearance may b
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‘Bird-eye’ and incineration A t
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6.7 Restoring fen meadow Many forme
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Current Management The current mana
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Case Study 6.2 Fen Vegetation Manag
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species diversity of wetland passer
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The temptation to burn large areas
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Outcomes In the eight years that th
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Anglesey sites is now underway supp
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Close grazed short sward of sedges
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Turf cutting Turf cutting has been
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7.1 A framework to assist decision
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Surface water level change e.g. - a
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and the surface to acidify, resulti
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Smaller excavations are preferable
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Morton Lochs, which extend to appro
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Although shallow excavations are pr
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At Leighton Moss in Lancashire, are
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Excavating spoil within the area to
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uilt dams can only be formed in dit
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Case Study 7.1 Fen Water Management
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Case Study 7.2 Fen Water Management
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Case Study 7.3 Fen Water Management
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Case Study 7.4 Fen Water Management
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8. Managing Fen Nutrient Enrichment
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Summary table of key techniques for
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8.2 Managing the source of nutrient
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Marginal interceptor ditch at Cors
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8.3.4 Bund creation In some cases i
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emoval or soil stripping, both of w
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8.5 Monitoring nutrient reduction D
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Recent photo of stripped surface sh
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9.1 Scope for fen creation The Grea
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9.3 What type of fen? New fens can
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9.5 Restraints on fen creation Plan
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9.6 Check list of issues to conside
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9.7 Site assessment Planning and de
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LIDAR maps can provide a general un
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generally more acidic than silts an
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Site visits and careful assessment
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9.8.4 Plastic membranes On sites wi
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Use of seed bombs ‘Seed bombs’
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Experience has shown that the most
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9.10.2 Creation of niches for plant
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Meade, R. & Wheeler, B.D. 2007. Rai
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- On-going measurement of the effec
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with appropriate training. Providin
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10.3 Biological monitoring techniqu
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Undesirable species for key NVC com
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10.3.3 Vegetation Mapping An initia
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It is good practise to record with
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10.4 Biological monitoring techniqu
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for Ornithology, the Bat Conservati
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Box 2: Construction, installation a
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10.8 Monitoring surface water flows
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- Phytometric tests measure how wel
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Storage of data and information on
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period, simply because it is design
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Another consideration is the likely
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11.1 An historical perspective Poll
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Inviting volunteer involvement in f
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11.3.3 Stakeholders ‘Stakeholders
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have been designated under access a
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11.6.4 Boardwalks Boardwalks are no
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11.6.5 Water borne access Waterways
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- Explore opportunities to stimulat
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Case Study 11.1 Fens and people - S
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Case Study 11.2 Fens and People - H
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12. Fens from an Economic Perspecti
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12.1.3 Biomass energy and Biofuels
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12.2 Environmental regulation 12.2.
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the peat carbon store is depleted t
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Another mechanism for funding wetla
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Whitlaw Mosses in Scotland (see det
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12.8 References Dickie, I., Hughes,
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Nitrogen fixation conversion of gas
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Appendix III - List of species refe
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Table 1 - Mammal species associated
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- Page 293 and 294: Appendix V - Legal and regulatory c
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