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IPA Factsheet - Alderley Edge
Site code
CountryUnited Kingdom
Administrative regionNorth West (Chesire)
Central co-ordinates53o 18' N / 2o 12' W map
Altitude148 - 201

 Site Description The whole woodland is riddled with old mine workings and relics of by-gone times. The site is an escarpment formed partly by the weathering of resistant red sandstone, which lies on top of a softer sandstone, and partly by faulting of the rocks. The geology (e.g. exposed, vertical acidic sand rock face) and environmental conditions (e.g. damp, shade/dappled shade) make it ideal for rare and endangered bryophytes (Karel Hladky, in Consultation document -IPAs in North and Central England, plus slight elaboration on geology and environmental conditions). A small proportion of the ZOO contains ancient re-planted woodland (Plantations on Ancient Woodland Sites).

 Botanical Significance Noted for bryophyte interest: O. gracile has been observed in just one spot. It occurs in a small population in a narrow westerly extension of the SSSI (known as Castle Rock). A search for it elsewhere in the SSSI was negative, but there is potentially much sandrock exposure throughout the SSSI which may be available for colonisation.

 General Habitat Description Woodland and Forest, red Sandstone. Nature conservation/Research Tourism/recreation, i.e. walking and caving. The mines are open for caving twice a year (Derbyshire Caving Club, 2009, link: )

Land use

Land use% CoverLevel
nature conservation and researchUnknown

Threatened Species

Species NameIPA Assess.Species Assess.AbundanceData qualityCriteria
Orthodontium gracile Schwaegr ex B., S. & G20072007unknownunknownA(ii)

Botanical Richness

EUNIS level 2 code & nameIPA Assess.Habitat Assess.% of indicator speciesNo. SpeciesNational BiotopeData qualityCriteria

Threatened Habitats

IPA Habitat code & nameIPA Assess.Habitat Assess.AreaData qualityCriteria


DesignationProtected Area NameRelationship with IPAOverlap with IPA
Site of Special Scientific InterestAlderley Edgeprotected area overlaps with IPA2800


TypeDescriptionYear startedYear finishes
Habitat Action Plan (HAP)20012019
Other Management PlanNatural England
Other Management PlanDerbyshire


burning of vegetationmedium

 Conservation Issues Eutrophication: Core and ZOO are within an existing Nitrate Vulnerable Zone (NVZ. Other: possible specimen collection for geological analysis. (Natural England, 2004, Views About Management- can be obtained through this link: ).

Contact Information

ContactContact Type
Beth Newman Site report compiler