Perch SSSI

The Perch
Site of Special Scientific Interest
Location within Somerset
Area of Search	Somerset
Grid reference	ST480532
Coordinates	51°16′32″N 2°44′49″W / 51.27556°N 2.74685°W / 51.27556; -2.74685Coordinates: 51°16′32″N 2°44′49″W / 51.27556°N 2.74685°W / 51.27556; -2.74685
Interest	Biological
Area	72.1 hectares (0.721 km²; 0.278 sq mi)
Notification	1990 (1990)
Natural England website

The Perch (grid reference ST480532) is a 72.1 hectare (178.2 acre) biological Site of Special Scientific Interest close to Cheddar Gorge in the Mendip Hills, Somerset, England. It received SSSI notification in 1990.

This site is important because it supports populations of nationally rare and scarce plants, together with grassland and woodland habitats which are nationally restricted in distribution.^[1]

The site is located on the south side of the Mendip Hills occupying a position on a steep-sided ridge which runs north to south. The underlying rocks are almost entirely carboniferous limestone with a small amount of Triassic dolomitic conglomerate.^[1]

The nationally rare purple gromwell (Lithospermum purpurocaeruleum) and the nationally scarce Ivy Broomrape (Orobanche hederae) also occur. Three species of orchid occur in these grassland areas: the Green-winged Orchid (Orchis morio), the pyramidal orchid (Anacamptis pyramidalis) and the Autumn Ladies'-tresses (Spiranthes spiralis). Two nationally rare plants, the Cheddar pink (Dianthus gratianopolitanus) and the Cheddar bedstraw (Galium fleurotii) are found on this site, as are two nationally scarce species: the rock stonecrop (Sedum forsterianum) and the spring cinquefoil (Potentilla tabernaemontani).^[1]

This variety of habitats ensures that a wide range of fauna occurs on the site. In total 22 species of mammal have been recorded including a strong population of dormouse (Muscardinus avellanarius) and five species of bat, including the Greater Horseshoe bat (Rhinolophus ferrumequinum) and Lesser Horseshoe bat (Rhinolophus hipposideros) which use the site for feeding. One small roost of lesser horseshoe bats is known. Both species of horseshoe bat are nationally rare. Thirty species of birds are known to breed within this site and at least 23 species of butterfly breed here.^[1]

References

1 2 3 4 "The Perch" (PDF). English Nature. Retrieved 2006-07-17.

Mendip Hills
Settlements	Ashwick Axbridge Banwell Bishop Sutton Blagdon Bleadon Burrington Charterhouse Cheddar Chewton Mendip Compton Bishop Compton Martin Cross Draycott East Harptree Easton Hinton Blewett Hutton Leigh-on-Mendip Litton Oakhill Priddy Rodney Stoke Rowberrow Sandford Shepton Mallet Shipham Ubley Webbington Wells West Harptree Westbury-sub-Mendip Winscombe Wookey Hole
Rivers and lakes	River Axe Cheddar Yeo River Chew River Yeo Lox Yeo River Blagdon Lake Cheddar Reservoir Chew Valley Lake Litton Reservoirs
Hills	Axbridge Hill Black Down Bleadon Hill Burledge Hill Crook Peak Fry's Hill Pen Hill Purn Hill Shute Shelve Hill Wavering Down
Caves and gorges	Attborough Swallet Aveline's Hole Axbridge Ochre Mine Banwell Caves Banwell Ochre Caves Burrington Combe Charterhouse Cave Cheddar Gorge Compton Martin Ochre Mine Cox's Cave Eastwater Cavern Ebbor Gorge Fairy Cave Quarry GB Cave Goatchurch Cavern Gough's Cave Hunter's Hole Lamb Leer Longwood Swallet Manor Farm Swallet Picken's Hole Pierre's Pot Priddy Caves Read's Cavern Reservoir Hole Rhino Rift Rod's Pot Shatter Cave Shute Shelve Cavern Sidcot Swallet St Cuthbert's Swallet St. Dunstan's Well Catchment Stoke Lane Slocker Swildon's Hole Thrupe Lane Swallet Tyning's Barrow Swallet Upper Flood Swallet W/L Cave Wookey Hole Caves
Quarries	Batts Combe Callow Rock Cloford Cloud Colemans Cook's Wood Doulting Stone Dulcote Emborough Fairy Cave Gurney Slade Halecombe Hobbs Holwell Moon's Hill Torr Works Viaduct Whatley Windsor Hill
SSSIs	Asham Wood Axbridge Hill and Fry's Hill Banwell Caves Banwell Ochre Caves Barns Batch Spinney Blagdon Lake Bleadon Hill Brimble Pit and Cross Swallet Basins Burledge Hill Burrington Combe Chancellor's Farm Cheddar Complex Cheddar Reservoir Cheddar Wood Chew Valley Lake Cloford Quarry Compton Martin Ochre Mine Cook's Wood Quarry Crook Peak to Shute Shelve Hill Dolebury Warren Draycott Sleights Ebbor Gorge Emborough Quarries Harptree Combe Hobbs Quarry Holwell Quarries Kingdown and Middledown Lamb Leer Priddy Caves Priddy Pools Perch Rodney Stoke St. Dunstan's Well Catchment Sandpit Hole and Bishop's Lot Shiplate Slait Viaduct Quarry Windsor Hill Quarry Wurt Pit and Devil's Punchbowl
History	Priddy Circles Cheddar Man Drove Cottage Henge Dolebury Warren Charterhouse Roman Town Fosse Way King John's Hunting Lodge, Axbridge Priddy Mineries Somerset Coalfield Somerset Coal Canal Cheddar Valley line East Somerset Railway
Transport	Mendip Rail Mendip Way Monarch's Way National Cycle Route 24 A37 road A39 road A368 road A371 road
Councils	Bath and North East Somerset Mendip North Somerset Sedgemoor
Surrounding areas	Chew Valley Somerset Levels North Somerset Levels

Biological Sites of Special Scientific Interest in Somerset
Summarised data for all sites (biological and geological)
Aller and Beer Woods Aller Hill Asham Wood Axbridge Hill and Fry's Hill Babcary Meadows Barle Valley Barrington Hill Meadows Berrow Dunes Black Down and Sampford Commons Brean Down Bridgwater Bay Briggins Moor Catcott, Edington and Chilton Moors Chancellor's Farm Cheddar Complex Cheddar Reservoir Cheddar Wood Cleeve Hill Cogley Wood Crook Peak to Shute Shelve Hill Curry and Hay Moors Deadman Draycott Sleights Dunster Park and Heathlands East Polden Grasslands Ebbor Gorge Edford Woods and Meadows Exmoor Coastal Heaths Fivehead Woods and Meadow Freshmoor Friar's Oven Ge-mare Farm Fields Great Breach and Copley Woods Grove Farm Hardington Moor Hestercombe House Holme Moor & Clean Moor King's Sedgemoor Kingdown and Middledown Kingweston Meadows Lang's Farm Langford Heathfield Langmead and Weston Level Long Lye Long Lye Meadow Longleat Woods Millwater Moorlinch Nettlecombe Park North Brewham Meadows North Curry Meadow North Exmoor North Moor Old Iron Works, Mells Perch Porlock Ridge and Saltmarsh Postlebury Wood Priddy Pools Prior's Park & Adcombe Wood Quantock Hills Quants Ringdown River Barle Rodney Stoke Roebuck Meadows Ruttersleigh Severn Estuary Shapwick Heath Sharpham Moor Plot South Exmoor Southey and Gotleigh Moors Southlake Moor Sparkford Wood St. Dunstan's Well Catchment Stowell Meadow Street Heath Tealham and Tadham Moors Thurlbear Wood and Quarrylands Twinhills Woods and Meadows Vallis Vale Walton and Ivythorn Hills West Moor West Sedgemoor Westhay Heath Westhay Moor Wet Moor Whitevine Meadows Windsor Hill Marsh Wookey Hole Woolhayes Farm
Neighbouring areas Avon Devon Dorset Wiltshire

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