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Perch SSSI

Mendip HillsSites of Special Scientific Interest in SomersetSites of Special Scientific Interest notified in 1990

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.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.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).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.

Excerpt from the Wikipedia article Perch SSSI (License: CC BY-SA 3.0, Authors).

Geographical coordinates (GPS)

Latitude Longitude
N 51.27556 ° E -2.74685 °
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Cheddar


Sedgemoor
England, United Kingdom
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Draycott Sleights
Draycott Sleights

Draycott Sleights (grid reference ST483518) is a 61.95 hectares (153.1 acres) biological Site of Special Scientific Interest at Draycott in the Mendip Hills, Somerset, England, notified in 1987. The name is pronounced locally as "Slates", presumably a variation on the Saxon word Slade meaning amongst other things hillside, rather than in the same manner as the Yorkshire place of the same spelling. The Somerset Wildlife Trust reserve lies 3.5 km (2.2 mi) south east of Cheddar. It includes Draycott Sleights, 40.4 hectares (100 acres), and Draycott Housegrounds, 10.21 hectares (25.2 acres). Draycott Sleights is part of the Draycott Sleights Site of Special Scientific Interest (SSSI), Draycott Housegrounds is a County Wildlife Site. The entire reserve is within the Mendips Scarp Prime Biodiversity Area (PBA) and Mendip Hills Area of Outstanding Natural Beauty (AONB).Draycott Sleights supports extensive areas of traditionally managed species-rich unimproved calcareous grassland. Additional interest lies in a rich invertebrate fauna. The site is situated on steep south-west facing slopes of the Mendip Hills and ranges in altitude from 90 m (300 ft) to 270 m (890 ft). 165 species of flowering plant have been recorded. The varied topography together with the widespread scrub provide a number of locations with ideal conditions for invertebrates supporting a rich butterfly fauna typical of unimproved calcareous grassland. 32 species of resident breeding butterfly have been recorded. The occurrence of Adonis blue (Lysandra bellargus), silver-studded blue (Plebejus argus) and small blue (Cupido minimus) is of particular interest. Two nationally scarce species of fly, Symphoromyia immaculata and Bombylius canescens and one nationally scarce species of ant, Myrmica schencki have been recorded for this site.