County Wildife Site Criteria for Cornwall Appendices

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LOCAL ANCIENT WOODLANDS: CommentsData SourcesExpected to be: AncientWoodland Survey of CornwallCounty Wildlife Site (CWS)surveys.The DefinitionGoodReliability of LHTInterpretationExpected to be: GoodOverall AssessmentExpected to be: GoodCommentThese sources can be of use because ERCCIS stores all theAncient Woodland Survey data, including those woodlands thatwere rejected.CommentThe definition is clear.ExplanationThe definition of Local Ancient Woodland is clear and there isadequate detailed information for the whole county. Moreover,the identification of the boundaries of these woodlands isrelatively easy from aerial photographs and Ordnance Surveymaps.CommentsWe consider that the LHT interpretation for Cornwall is likelyto be precise and that any map will show the distribution with agood degree of accuracy.Appendix 5 - Information Relating to Local Habitat Types.County Wildlife Sites Criteria
LOCAL MIXED ASHWOODSGeneral DescriptionThe upland mixed ashwoods PHT are woods on base-rich soils in the north and west, in most ofwhich ash is a major species, although locally oak, birch, elm, small-leaved lime and even hazel may bethe most abundant species. Upland in the name reflects the abundance of this type of woodland onbase-rich soils in upland Britain rather than to the altitude at which individual sites occur. Mostupland mixed ashwoods are probably ancient, but they cannot be considered as PHT if the canopy iscomposed of 50% or more site-native species of trees or shrubs. Site native trees include sycamoreAcer pseudoplatanus, a relatively common component of ashwoods in Cornwall.These local mixed ashwoods are often, generally speaking, nothing more than sycamore invadedupland mixed ashwoods PHT. Mixed ashwoods are amongst the richest habitats for wildlife, notablefor bright displays of flowers such as bluebell Hyacinthoides non-scripta, primrose Primula vulgaris, woodcranesbill Geranium sylvaticum and wild garlic Allium ursinum. In a county such as Cornwall, thesewoodlands are especially valuable, particularly in the west of the county where woodlands of any kindare so thin on the ground.National ContextThe PHT is found throughout upland Britain and in Northern Ireland, though they are limited in thenorth-west Highlands. A crude estimate places the total area of upland mixed ashwoods at 67 500 ha.There is no way of knowing the total area of sycamore invaded woodlands of this kind.Cornwall ContextThere are about 1740 of upland mixed ashwoods in Cornwall. It is probable that the number of localmixed ashwoods is small., but significant – the majority of them probably being found in the west ofthe county.Area of LHT in Cornwall (ha): est 100Number of polygons: not known (nk)The habitat is: Very RareDistribution by Administrative DistrictDistrict P K CK R CN NC ΣNumber nk nk nk nk nk nk nkArea (ha)est.6 10 15 10 30 40 111Distribution by Natural AreaDistrict Pe Lz CKG BM Cu ΣNumber 0 nk nk nk nk nkArea (ha)est.0 4 90 0 17 111For this habitat we will take all areasAppendix 5 - Information Relating to Local Habitat Types.County Wildlife Sites Criteria
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HeadingCounty Wildife SiteCriteria
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PENWITHP/K 1P/K 2P3Hayle Estuary an
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K17K18K19K20K21K22K23K24K25K26K/P 2
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R5R6R7R8R9R10R11R12R13R 15.2R/CK 16
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CN/NC 8CN/NC 9CN 10CN 11CN 12CN 13C
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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
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COASTAL SAND DUNES: SourcesDataset
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COASTAL VEGETATED SHINGLE: SourcesD
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ESTUARINE ROCKY HABITATS PHTGeneral
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INTERTIDAL MUDFLATS PHTGeneral Desc
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MAERL BEDS PHTGeneral DescriptionMa
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MUD HABITATS IN DEEP WATER PHTGener
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Sabellaria alveolata REEFS: Sources
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SALINE LAGOONS: SourcesDataset Desc
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SEAGRASS BEDS: SourcesDataset Descr
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SUBTIDAL SANDS AND GRAVELS PHTGener
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LOWLAND MIXED DECIDUOUS WOODLAND PH
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LOWLAND MIXED DECIDUOUS WOODLAND: C
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TRADITIONAL ORCHARDS PHTGeneral Des
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UPLAND MIXED ASHWOODS PHTGeneral De
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UPLAND MIXED ASHWOODS: CommentsData
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UPLAND OAKWOOD PHTGeneral Descripti
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UPLAND OAKWOOD: CommentsData Source
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WET WOODLAND PHTGeneral Description
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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 90 and 91: PURPLE MOOR GRASS AND RUSH PASTURES
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 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
Page 140 and 141: FRESHWATER ALGAE, FUNGI AND LICHENS
Page 142 and 143: BRYOPHYTESThese criteria are direct
Page 144 and 145: *Calliergon sarmentosum 50**Calypog
Page 146 and 147: Pottia commutata = Microbryum daval
Page 148 and 149: Moths:Acronicta psi Grey DaggerAcro
Page 150 and 151: BUTTERFLIESBAP species and butterfl
Page 152 and 153: DRAGONFLIES AND DAMSELFLIES (ODONAT
Page 154 and 155: FISHGainey, in CISFBR (2009), state
Page 156 and 157: Sites with significant Amphibian as
Page 158 and 159: Turdus torquatus torquatus Ring Ouz
Page 160 and 161: Table of Thresholds for wintering w
Page 162 and 163: Other MammalsCornwall BAP Priority
Page 164 and 165: Shirt, D.B. (Ed.) (1987) British Re
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Tick when Process CompleteProtocol
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Site Contraction/DeletionDetails of
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County Wildife Site Criteria for Cornwall Appendices

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