County Wildife Site Criteria for Cornwall Appendices

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PURPLE MOOR GRASS AND RUSH PASTURES PHTGeneral DescriptionPurple moor grass and rush pastures occur on poorly drained, usually acidic soils in lowland areas ofhigh rainfall in western Europe. Their vegetation, which has a distinct character, consists of variousspecies-rich types of fen meadow and rush pasture. Purple moor grass Molinia caerulea, and rushes,especially sharp-flowered rush Juncus acutiflorus, are usually abundantNational ContextIn Britain, they are found in south-west England, particularly in Devon, southern Wales, south-westScotland, perhaps extending as far north as northern Argyll.In Wales it is estimated that there is now about 24 000 ha of lowland purple moor grass and rushpasture. In south west England 530 purple moor grass and rush pastures sites are known to surviveon the Culm Measures, covering 3981 ha, 400 sites on Dartmoor covering 1000 ha with a further 90sites covering about 300 ha on the Blackdowns. No area estimates are available for Scotland, but thetotal extent is thought likely to be in the region of 2000 ha. Thus it is probable that the total extent ofthe habitat in the UK is now about 31 000 ha (56 000 ha UK). This is thought to be considerablymore than survives in the rest of Europe, with the possible exception of the Republic of Ireland.Area of PHT in Cornwall (ha): 9203% National TotalNumber of polygons: 463The habitat is: Fairly RareDistribution by Administrative DistrictDistrict P K CK R CN NC ΣNumber 13 29 0 84 4 333 463Area (ha) 25 75 0 400 10 410 920Distribution by Natural AreaDistrict Pe Lz CKG BM Cu ΣNumber 13 0 127 2 321 463Area (ha) 23 0 530 2 365 920For this habitat the threshold is 1.0 haAppendix 4 - Information Relating to Priority Habitat TypesCounty Wildlife Sites Criteria
PURPLE MOOR GRASS AND RUSH PASTURES: SourcesDataset Description Owner Role in Inventory Access NotesAerial photos ofCCCHeld at CCCCornwallAn audit of CulmGrassland inCornwallCounty WildlifeSite filesEN local teamSSSI filesDigital photographstaken in 2000,together with printstaken in 1995/6Can be used toidentify up-to-dateboundaries.Paper Report EN Gives details of everyCulm Grassland in thecounty, much of it toNVC level.Reports held in paperfiles. (1980-1988)Paper information onSSSIsERCCISENUseful as a back-up toPhase 1 and does holdsome additionalinformation, but it isout-of-date.Much of the detailedinformation has beenincorporated into theCulm GrasslandReportNT site surveyreportsReports on surveys ofNT land. (1979-2001)NT Unlikely to holdsignificant informationPhase 1 maps Paper information EN Rather out-of-dateand of variable quality,but does give aninsight into wheregrasslands ofconservation interestmay be located.Wetland andgrasslandlandcover on GISMaps of wetland,grassland and theirmosaics drawn from acombination ofreferences and API(1996)ERCCISUseful as a way oflocating possible PHT.ERCCISERCCISENERCCISERCCISERCCISHigh qualityinformation, close toNVCGood qualityinformationPoor qualityGood qualityinformationAppendix 4 - Information Relating to Priority Habitat TypesCounty Wildlife Sites Criteria
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HeadingCounty Wildife SiteCriteria
Page 3 and 4:
PENWITHP/K 1P/K 2P3Hayle Estuary an
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K17K18K19K20K21K22K23K24K25K26K/P 2
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R5R6R7R8R9R10R11R12R13R 15.2R/CK 16
Page 10 and 11:
CN/NC 8CN/NC 9CN 10CN 11CN 12CN 13C
Page 12 and 13:
NC/CN 7 NNC/CN 7 SNC/CN 8NC/CN 9NC
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Appendix 2The Selection of Local Si
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However, it is not a significant co
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Where any area has less than ½ of
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West Looe to Watergatehttp://cwtdev
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Appendix 4Information Relating to P
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Upland flushes, fens and swamps PHT
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COASTAL SALTMARSH: SourcesDataset D
Page 28 and 29:
COASTAL SAND DUNES: SourcesDataset
Page 30 and 31:
COASTAL VEGETATED SHINGLE: SourcesD
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ESTUARINE ROCKY HABITATS PHTGeneral
Page 34 and 35:
INTERTIDAL MUDFLATS PHTGeneral Desc
Page 36 and 37:
MAERL BEDS PHTGeneral DescriptionMa
Page 38 and 39:
MUD HABITATS IN DEEP WATER PHTGener
Page 40 and 41: Sabellaria alveolata REEFS: Sources
Page 42 and 43: SALINE LAGOONS: SourcesDataset Desc
Page 44 and 45: SEAGRASS BEDS: SourcesDataset Descr
Page 46 and 47: SUBTIDAL SANDS AND GRAVELS PHTGener
Page 48 and 49: LOWLAND MIXED DECIDUOUS WOODLAND PH
Page 50 and 51: LOWLAND MIXED DECIDUOUS WOODLAND: C
Page 52 and 53: TRADITIONAL ORCHARDS PHTGeneral Des
Page 54 and 55: UPLAND MIXED ASHWOODS PHTGeneral De
Page 56 and 57: UPLAND MIXED ASHWOODS: CommentsData
Page 58 and 59: UPLAND OAKWOOD PHTGeneral Descripti
Page 60 and 61: UPLAND OAKWOOD: CommentsData Source
Page 62 and 63: WET WOODLAND PHTGeneral Description
Page 64 and 65: WET WOODLAND: CommentsData SourcesA
Page 66 and 67: WOOD-PASTURE AND PARKLAND PHTGenera
Page 68 and 69: The National DefinitionGoodReliabil
Page 70 and 71: ARABLE FIELD MARGINS PHTGeneral Des
Page 72 and 73: COASTAL AND FLOODPLAIN GRAZING MARS
Page 74 and 75: LOWLAND MEADOWS: SourcesDataset Des
Page 76 and 77: LOWLAND CALCAREOUS GRASSLAND PHTGen
Page 78 and 79: LOWLAND CALCAREOUS GRASSLAND: Comme
Page 80 and 81: LOWLAND DRY ACID GRASSLAND: Sources
Page 82 and 83: LOWLAND HEATHLAND PHTGeneral Descri
Page 84 and 85: LOWLAND HEATHLAND: CommentsData Sou
Page 86 and 87: UPLAND HEATHLAND: SourcesDataset De
Page 88 and 89: LOWLAND FENS PHTGeneral Description
Page 92 and 93: PURPLE MOOR GRASS AND RUSH PASTURES
Page 94 and 95: REEDBEDS: SourcesDataset Descriptio
Page 96 and 97: UPLAND FLUSHES, FENS AND SWAMPS: po
Page 98 and 99: BLANKET BOG: SourcesDataset Descrip
Page 100 and 101: EUTROPHIC STANDING WATER PHTGeneral
Page 102 and 103: MESOTROPHIC LAKES PHTGeneral Descri
Page 104 and 105: OLIGOTROPHIC AND DYSTROPHIC LAKES P
Page 106 and 107: PONDS PHTGeneral DescriptionThis PH
Page 108 and 109: RIVERS PHTGeneral DescriptionThe Ri
Page 110 and 111: OPEN MOSAIC HABITATS ON PREVIOUSLY
Page 112 and 113: This appendix provides a more detai
Page 114 and 115: LOCAL ANCIENT WOODLANDSGeneral Desc
Page 116 and 117: LOCAL ANCIENT WOODLANDS: CommentsDa
Page 118 and 119: LOCAL MIXED ASHWOODS: SourcesDatase
Page 120 and 121: LOCAL PARKLANDSGeneral DescriptionT
Page 122 and 123: The National DefinitionGoodReliabil
Page 124 and 125: LOCAL BOUNDARIES: SourcesDataset De
Page 126 and 127: LOCAL FLOODPLAIN GRASSLANDS: Source
Page 128 and 129: LOCAL LOWLAND MEADOWSGeneral Descri
Page 130 and 131: LOCAL LOWLAND MEADOWS: CommentsData
Page 132 and 133: UPLAND DRY ACID GRASSLAND: SourcesD
Page 134 and 135: LOCAL PONDSGeneral DescriptionThe n
Page 136 and 137: Appendix 6Information Relating to S
Page 138 and 139: Monotropa hypopitysMuscari neglectu
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FRESHWATER ALGAE, FUNGI AND LICHENS
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BRYOPHYTESThese criteria are direct
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*Calliergon sarmentosum 50**Calypog
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Pottia commutata = Microbryum daval
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Moths:Acronicta psi Grey DaggerAcro
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BUTTERFLIESBAP species and butterfl
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DRAGONFLIES AND DAMSELFLIES (ODONAT
Page 154 and 155:
FISHGainey, in CISFBR (2009), state
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Sites with significant Amphibian as
Page 158 and 159:
Turdus torquatus torquatus Ring Ouz
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Table of Thresholds for wintering w
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Other MammalsCornwall BAP Priority
Page 164 and 165:
Shirt, D.B. (Ed.) (1987) British Re
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Tick when Process CompleteProtocol
Page 168 and 169:
Site Contraction/DeletionDetails of
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Heading
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County Wildife Site Criteria for Cornwall Appendices

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