Securing Biodiversity in Breckland - European Commission

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Turf removal to create calcareous exposureApril 2009November 2005At Thetford and Weeting Heath NNR’s turf andorganic soil was removed to expose chalky drift.Vegetation development is relatively rapid butbare chalk persists after 5 years. Monitoringwould identify the species that have benefitted.Photographs © B. Nichols104
Trends in Species Status: Extinctions and DeclinesSpecies Extinctions in Breckland25 species previously or recently recorded in Breckland, are now considered to be extinct within theUK or England (Table 18). Of these, eight (32%) are associated with physically disturbed and ungrazed(or uncertain grazing) conditions, a significantly greater proportion (chi-square = 12.5, p
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Securing Biodiversityin BrecklandGu
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Commissioning GroupNeil Featherston
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Wind-blown sand guild .............
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milder winters and increased winter
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Creating broad ruderal and disturbe
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Introduction“Few of the lowland d
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Inland DunesThe 1km wide dune and b
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Following the Black Death of the mi
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The area of grass-heath declined by
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PingosPingos are ground water fed p
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Breckland Conservation and the Need
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SSSI. The Breckland Forest SSSI cit
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The Breckland Biodiversity Audit ha
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The Breckland bio-geographic region
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polygons of alternating calcareous
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quality calcareous fen communities
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Figure 2. The extent of Breckland,
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Table 3. Grass-heath vegetation in
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The Conservation Resource: Designat
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All other SSSIs are less than 600 h
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GrasslandHeathWoodlandWetlandFlowin
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Calcicolous grasslandsShingle, stra
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Figure 4. Location of designated si
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Figure 6. Location of Plantlife’s
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Figure 7. Locations of stations in
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Scheme for Stilt & Stalk Flies, Dra
Page 53 and 54: Table 6. Rare vascular plant specie
Page 55 and 56: Recommendation BTO be commissioned
Page 57 and 58: Table 7. Species for which records
Page 59 and 60: Table 8. Descriptions of Red Data B
Page 61 and 62: If the sub-species was designated b
Page 63 and 64: Collating and Synthesising Species
Page 65 and 66: Table 11. Published, documentary an
Page 67 and 68: Baron de Worms, C.G.M. (1953) Colle
Page 69 and 70: Guild AnalysisA number of habitat a
Page 71 and 72: The specific questions for the work
Page 73 and 74: Findings of the Breckland Biodivers
Page 75 and 76: Recording Effort and CoverageThere
Page 77 and 78: Butterfly Conservation (Suffolk) 17
Page 79 and 80: Norfolk Biodiversity InformationSer
Page 81 and 82: Figure 11. Number of taxonomic grou
Page 83 and 84: difference is partly attributable t
Page 85 and 86: There were Breckland specialist spe
Page 87 and 88: Figure 13. Proportion of Breckland
Page 89 and 90: Distribution of Breckland Conservat
Page 91 and 92: Figure 15. Number of Breckland cons
Page 93 and 94: Evidence of Climatic Change: Long-T
Page 95 and 96: Figure 17. Total seasonal precipita
Page 97 and 98: Biodiversity Implications of the Ch
Page 99 and 100: Ariel depositions to agricultural s
Page 101 and 102: the status of Deschampsia flexuosa.
Page 103: The relative effects of ploughing,
Page 107 and 108: HymenopteraHymenopteraHymenopteraCo
Page 109 and 110: In addition to the loss of rare lic
Page 111 and 112: edstraw Galium parisiense (Tansley
Page 113 and 114: The relative extent of lichen rich
Page 115 and 116: The Feasibility and Usefulness of t
Page 117 and 118: Across patch arrangementLandscape c
Page 119 and 120: Across patcharrangementJuxtapositio
Page 121 and 122: Delivery of Multiple Species by Int
Page 125 and 126: Mechanical disturbance to create br
Page 129 and 130: estricted to road verges, with the
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Page 133 and 134: Records of species from this guild
Page 135 and 136: © Jeremy Earlywww.natureconservati
Page 139 and 140: Open with sward mosaics guildChryso
Page 141 and 142: Grazing without physical disturbanc
Page 143 and 144: Deadwood in an open-woodland ecoton
Page 145 and 146: Specific Requirement in a Variety o
Page 147 and 148: Management to Sustain Dry Terrestri
Page 149 and 150: Heather should rather be considered
Page 151 and 152: GrazingrequirementsLightly sheep-gr
Page 153 and 154: a mosaic of overlapping ploughed, a
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Wind-blown sandThere is great uncer
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IntensityProcess Technique Immediat
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Complex Sward MosaicsComplex sward
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Management for Assemblages of Light
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Management for Species of Physicall
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Key Recommendations for Cultivated
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Shallow cultivation is preferable t
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Maidscross Hill is largely overgrow
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Ecological Requirements of Wetland
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numbers of conservation priority sp
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Recommendation Requirements of wetl
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Figure 31. Number of Breckland cons
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Restored pingo complexAt Great Hock
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Figure 32. Number of Breckland cons
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the difficulties of achieving this
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Strategic Challenges to Biodiversit
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Table 22. Problems arising from poo
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Recommendation: Natural England and
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It is therefore vital to carefully
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Creating networks for resilienceTo
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More ambitious possibilities that c
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Figure 34. Example of a potential c
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Connectivity networks© Neal Armour
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and consider whether these repeated
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Ensure that scrub removal, ploughin
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ReferencesADAS. (1997) Biological M
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Haes, E. C. M. & Harding, P. T. (19
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Sastre, B.(2003). Ground spider com
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Securing Biodiversity in Breckland - European Commission

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