Quarry Moor (81)
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Quarry Moor is a
Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain, or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland, is a conservation designation denoting a protected area in the United Kingdom and Isle ...
, or SSSI, at the south edge of
Ripon Ripon () is a cathedral city and civil parish in North Yorkshire, England. The city is located at the confluence of two tributaries of the River Ure, the Laver and Skell. Within the boundaries of the historic West Riding of Yorkshire, the ...
,
North Yorkshire North Yorkshire is a Ceremonial counties of England, ceremonial county in Northern England.The Unitary authorities of England, unitary authority areas of City of York, York and North Yorkshire (district), North Yorkshire are in Yorkshire and t ...
, England, and adjacent to the
A61 road The A61 is a major trunk road in England connecting Derby and Thirsk in North Yorkshire by way of Alfreton, Clay Cross, Chesterfield, Sheffield, Barnsley, Wakefield, Leeds, Harrogate and Ripon. The road is closely paralleled by the M1 motorway ...
. It contains an outcrop of
Magnesian Limestone The Magnesian Limestone is a suite of carbonate rocks in north-east England dating from the Permian period. The outcrop stretches from Nottingham northwards through Yorkshire and into County Durham where it is exposed along the coast between Ha ...
, exposed by former quarrying. 255 million years ago this limestone was the peripheral
sediment Sediment is a solid material that is transported to a new location where it is deposited. It occurs naturally and, through the processes of weathering and erosion, is broken down and subsequently sediment transport, transported by the action of ...
of a tropical sea. The land was donated in 1945 to the people of Ripon by the town's mayor, Alderman Thomas Fowler Spence, a
varnish Varnish is a clear Transparency (optics), transparent hard protective coating or film. It is not to be confused with wood stain. It usually has a yellowish shade due to the manufacturing process and materials used, but it may also be pigmente ...
manufacturer. The land was notified as an SSSI in 1986 because its
calcareous grassland Calcareous grassland (or alkaline grassland) is an ecosystem associated with thin basic soil, such as that on chalk and limestone downland. There are large areas of calcareous grassland in northwestern Europe, particularly areas of southern Engla ...
supported a large diversity of plant species. The site features a
Schedule 8 The prohibition of drugs through sumptuary legislation or religious law is a common means of attempting to prevent the recreational use of certain intoxicating substances. An area has a prohibition of drugs when its government uses the forc ...
protected plant, thistle broomrape. The land is protected as a
nature reserve A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, funga, or features of geologic ...
, and it is also managed as a recreational area. Therefore, its calcareous grass area is fenced off for protection and study, but it also contains a car park, information signs, a children's
play area A playground, playpark, or play area is a place designed to provide an environment for children that facilitates play, typically outdoors. While a playground is usually designed for children, some are designed for other age groups, or people w ...
, accessible paths, benches, and dog waste bins.


Site history

The
strata In geology and related fields, a stratum (: strata) is a layer of Rock (geology), rock or sediment characterized by certain Lithology, lithologic properties or attributes that distinguish it from adjacent layers from which it is separated by v ...
of the
quarry A quarry is a type of open-pit mining, open-pit mine in which dimension stone, rock (geology), rock, construction aggregate, riprap, sand, gravel, or slate is excavated from the ground. The operation of quarries is regulated in some juri ...
face at the western side of the Quarry Moor site are the remains of a
Permian The Permian ( ) is a geologic period and System (stratigraphy), stratigraphic system which spans 47 million years, from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic Period 251.902 Mya. It is the s ...
shoreline of 255 million years past. Sediments from the tropical Zechstein Sea ultimately became the
Magnesian Limestone The Magnesian Limestone is a suite of carbonate rocks in north-east England dating from the Permian period. The outcrop stretches from Nottingham northwards through Yorkshire and into County Durham where it is exposed along the coast between Ha ...
outcrop of north-east England, part of which is exposed here. Limestone has been quarried here for at least six centuries, and used for construction. For example, in the
15th century The 15th century was the century which spans the Julian calendar dates from 1 January 1401 (represented by the Roman numerals MCDI) to 31 December 1500 (MD). In Europe, the 15th century includes parts of the Late Middle Ages, the Early Re ...
the walls of the
12th century The 12th century is the period from 1101 to 1200 in accordance with the Julian calendar. In the history of European culture, this period is considered part of the High Middle Ages and overlaps with what is often called the Golden Age' of the ...
Chapel of St Mary Magdalen,
Ripon Ripon () is a cathedral city and civil parish in North Yorkshire, England. The city is located at the confluence of two tributaries of the River Ure, the Laver and Skell. Within the boundaries of the historic West Riding of Yorkshire, the ...
, were refaced with blocks of
limestone Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...
from Quarry Moor. By the 1870s there were
lime kiln A lime kiln is a kiln used for the calcination of limestone (calcium carbonate) to produce the form of lime called ''quicklime'' (calcium oxide). The chemical equation for this reaction is: CaCO3 + heat → CaO + CO2 This reaction can tak ...
s on the site, making
quicklime Calcium oxide (formula: Ca O), commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, caustic, alkaline, crystalline solid at room temperature. The broadly used term '' lime'' connotes calcium-containin ...
for mortar. In September 1943, following the "use of land for army training," botanist George Taylor reported: "Serious disturbance has been observed on Quarry Moor ... where last year ''
Spiranthes spiralis ''Spiranthes spiralis'', commonly known as autumn lady's-tresses, is an orchid that grows in Europe and adjacent North Africa and Asia. It is a small grey-green plant. It forms a rosette of four to five pointed, sessile, ovate leaves about in le ...
'' Koch r lady's tresses orchid/nowiki> occurred in some quantity and the reappearance of this very local species on this site is problematical." He checked the site again in 1944, and said, "The work of destruction has proceeded apace during the intervening months. The common is now almost completely excavated, and all vestige of plant life - except at the narrow margins - has disappeared." As of 2020, the lady's tresses orchid is "becoming increasingly rare in the north of the UK." The quarry was closed in the 1950s, and the pits were infilled in the 1970s. The infilling was carried out by the
British Army The British Army is the principal Army, land warfare force of the United Kingdom. the British Army comprises 73,847 regular full-time personnel, 4,127 Brigade of Gurkhas, Gurkhas, 25,742 Army Reserve (United Kingdom), volunteer reserve perso ...
, using 190 tonnes of stone supplied by Concrete4U and Lightwater Quarries. In this area there is water-soluble
gypsum Gypsum is a soft sulfate mineral composed of calcium sulfate Hydrate, dihydrate, with the chemical formula . It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, drywall and blackboard or sidewalk ...
mixed with the limestone deposits, and the occasional collapse of cavities left by this gypsum layer has been blamed for the local
sinkhole A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are also known as shakeholes, and to openings where surface water ...
s which have been appearing for centuries past.


Thomas Fowler Spence, donor

Quarry Moor is now held in trust for the Ripon people, having been donated in 1945 by Alderman T.F. Spence. The site then measured "to be kept for Ripon children for all time." Thomas Fowler Spence (1878–1949) lived at Red Hills Grange, was Mayor of Ripon between 1927 and 1929, and was managing director of T.R. Williamsons of Ripon, which made
varnish Varnish is a clear Transparency (optics), transparent hard protective coating or film. It is not to be confused with wood stain. It usually has a yellowish shade due to the manufacturing process and materials used, but it may also be pigmente ...
.


Site location and designation

Quarry Moor nature reserve is a biological Site of Special Scientific Interest (SSSI) and
Geological Conservation Review The Geological Conservation Review (GCR) is produced by the UK's Joint Nature Conservation Committee. It is designed to identify those sites of national and international importance needed to show all the key scientific elements of the geological ...
site (GCR), consisting of "
species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
-rich
calcareous Calcareous () is an adjective meaning "mostly or partly composed of calcium carbonate", in other words, containing lime (mineral), lime or being chalky. The term is used in a wide variety of Science, scientific disciplines. In zoology ''Calcare ...
grassland A grassland is an area where the vegetation is dominance (ecology), dominated by grasses (Poaceae). However, sedge (Cyperaceae) and rush (Juncaceae) can also be found along with variable proportions of legumes such as clover, and other Herbaceo ...
" over a scant soil covering, plus limestone rock, scrub, and woodland on raised areas and on the perimeter of the site. It lies at the southern edge of Ripon, with an entrance on the west side of the A61 roundabout. Facilities include information boards, accessible paths, informal paths, benches, and dog toilet bins, besides a fenced-off wildflower meadow, and a children's play area in the north-east corner with a public car park. The site was notified on 1 May 1986, being of interest for the large number of plant species supported by the calcareous grassland habitat. The notified features of the site are the
Schedule 8 The prohibition of drugs through sumptuary legislation or religious law is a common means of attempting to prevent the recreational use of certain intoxicating substances. An area has a prohibition of drugs when its government uses the forc ...
protected plant, thistle broomrape, and the chalky grassland. The site was designated in 2001 as a Local Nature Reserve. It is one of a number of SSSIs in the
Harrogate Harrogate ( ) is a spa town and civil parish in the North Yorkshire District, district and North Yorkshire, county of North Yorkshire, England. Historic counties of England, Historically in the West Riding of Yorkshire, the town is a tourist de ...
region. The others are Bishop Monkton Ings,
Brimham Rocks Brimham Rocks, once known as Brimham Crags, is a 183.9-hectare (454-acre) biological Site of Special Scientific Interest (SSSI) and Geological Conservation Review (GCR) site, 8 miles (13 km) north-west of Harrogate, North Yorkshire, Engla ...
, Cow Myers, Farnham Mires, Hack Fall Wood, Hay-a-Park,
Kirk Deighton Kirk Deighton is a village and civil parish in the county of North Yorkshire, England. It is situated north-west of Wetherby and near the A1(M) motorway. The village was in the West Riding of Yorkshire, and Wetherby Rural District, until 1974, a ...
Mar Field Fen, and Ripon Parks. Quarry Moor is funded by
Natural England Natural England is a non-departmental public body in the United Kingdom sponsored by the Department for Environment, Food and Rural Affairs. It is responsible for ensuring that England's natural environment, including its land, flora and fauna, ...
, via Defra Aggregates Levy Sustainability Fund,
Harrogate Borough Council Harrogate ( ) is a spa town and civil parish in the district and county of North Yorkshire, England. Historically in the West Riding of Yorkshire, the town is a tourist destination; its visitor attractions include its spa waters and RHS Harlow ...
,
Ripon Ripon () is a cathedral city and civil parish in North Yorkshire, England. The city is located at the confluence of two tributaries of the River Ure, the Laver and Skell. Within the boundaries of the historic West Riding of Yorkshire, the ...
City Partnership and (until 2012)
Yorkshire Forward Yorkshire Forward was the regional development agency (RDA) for the Yorkshire and the Humber region of the United Kingdom. It supported the development of business in the region by encouraging public and private investment in education, skills, ...
. As of 2019 it was cared for by the Alderman T.F. Spence Committee, which consists of six Ripon City councillors, and six members of the public.


Significant site content


Flora

On the
chalk Chalk is a soft, white, porous, sedimentary carbonate rock. It is a form of limestone composed of the mineral calcite and originally formed deep under the sea by the compression of microscopic plankton that had settled to the sea floor. Ch ...
y grassland, alongside
sheep's fescue ''Festuca ovina'', sheep's fescue or sheep fescue, is a species of grass. It is sometimes confused with hard fescue (''Festuca trachyphylla''). General description It is a perennial plant sometimes found in acidic ground, and in mountain pastur ...
and meadow oat-grass, grow
rough hawkbit ''Leontodon hispidus'' is a species of hawkbit known by the common names bristly hawkbit and rough hawkbit. It is native to Europe but can be found throughout North America as an introduced species An introduced species, alien species, exoti ...
,
hoary plantain ''Plantago media'', known as the hoary plantain, is a species of flowering plant in the plantain family Plantaginaceae. It is native to central and western Europe, including Great Britain and introduced to parts of the north-east United States. ...
, purging flax,
thyme Thyme () is a culinary herb consisting of the dried aerial parts of some members of the genus ''Thymus (plant), Thymus'' of flowering plants in the mint family Lamiaceae. Thymes are native to Eurasia and north Africa. Thymes have culinary, medici ...
, glaucous sedge, yellow oat,
quaking grass ''Briza'' is a genus of annual and perennial plants in the grass family, native to northern temperate regions of Eurasia, North Africa, and certain islands in the Atlantic. The group is generally referred to as the quaking grasses because the ...
and
red fescue ''Festuca rubra'' is a species of grass known by the common name red fescue, creeping red fescue or the rush-leaf fescue. It is widespread across much of the Northern Hemisphere and can tolerate many habitats and climates. It is best adapted to w ...
. Among these are
red bartsia ''Odontites vernus'', the red bartsia, is a wild flower from the family Orobanchaceae native to Europe and Asia and occurring as an alien in North America. The red bartsia is a common plant in low-fertility soils, where it lives partially as a pa ...
,
centaury Centaury is a common name for several plants and may refer to: *''Centaurea'', a genus in the Asteraceae containing species sometimes called centaury *''Centaurium'', a genus in the Gentianaceae containing species commonly called centaury **'' Gyra ...
,
yellow-wort ''Blackstonia perfoliata'' or more commonly known as the yellow-wort is a species of flowering plant in the family Gentianaceae found around the Mediterranean Basin, but extending into northwestern Europe. Description Yellow-wort grows tall, w ...
, bee orchid and
felwort ''Swertia perennis'' is a species of flowering plant in the gentian family known by the common names felwort and star swertia. It is native to several regions of the northern hemisphere, including much of Eurasia and western North America. It is ...
or autumn gentian. On other grassland here, the pH is more neutral, and the vegetation can grow more strongly. For example, there are various herbs:
common spotted-orchid ''Dactylorhiza maculata'' subsp. ''fuchsii'', the common spotted orchid, is a subspecies of flowering plant in the orchid family Orchidaceae. ''Dactylorhiza maculata'' subsp. ''fuchsii'' is one of Europe's most common wild orchids. It is widespr ...
,
great burnet ''Sanguisorba officinalis'', commonly known as great burnet, is a plant in the family Rosaceae, subfamily Rosoideae. It is native throughout the cooler regions of the Northern Hemisphere in Europe, northern Asia, and northern North America. It ...
, restharrow,
marjoram Marjoram (, ''Origanum majorana'') is a cold-sensitive perennial plant, perennial herb or undershrub with sweet pine and citrus flavours. In some Middle Eastern countries, marjoram is synonymous with oregano, and there the names sweet marjoram ...
, cowslip, hay rattle, greater burnet-saxifrage,
basil Basil (, ; , ; ''Ocimum basilicum'' (, )), also called great basil, is a culinary herb of the family Lamiaceae (mints). It is a hardiness (plants), tender plant, and is used in cuisines worldwide. In Western cuisine, the generic term "basil" r ...
, cross-wort,
ox-eye daisy ''Leucanthemum vulgare'', commonly known as the ox-eye daisy, oxeye daisy, dog daisy, marguerite (, "common marguerite") and other common names, is a widespread flowering plant native to Europe and the temperate regions of Asia, and an introduced ...
,
knapweed ''Centaurea'' () is a genus of over 700 species of herbaceous thistle-like flowering plants in the family Asteraceae. Members of the genus are found only north of the equator, mostly in the Eastern Hemisphere; the Middle East and surrounding ...
,
self-heal ''Prunella'' is a genus of herbaceous plants in the family Lamiaceae, also known as self-heals, heal-all, or allheal for their use in herbal medicine. Habitat Most are native to Europe, Asia, and North Africa, but ''Prunella vulgaris'' (comm ...
,
lady's bedstraw ''Galium verum'' (lady's bedstraw or yellow bedstraw) is a herbaceous perennial flowering plant in the family Rubiaceae. It is widespread across most of Europe, North Africa, and temperate Asia from Palestine, Lebanon and Turkey to Japan and Kam ...
,
bird's-foot trefoil ''Lotus corniculatus'' is a flowering plant in the pea family Fabaceae. Common names include common bird's-foot trefoil, eggs and bacon, birdsfoot deervetch, and just bird's-foot trefoil (a name also often applied to other ''Lotus'' spp.). It ha ...
and primrose, all growing alongside slender false-broom and false-oat grass. Under the
sycamore Sycamore is a name which has been applied to several types of trees, but with somewhat similar leaf forms. The name derives from the Ancient Greek () meaning . Species of otherwise unrelated trees known as sycamore: * ''Acer pseudoplatanus'', a ...
,
wych elm ''Ulmus glabra'', the wych elm or Scots elm, has the widest range of the European elm species, from Ireland eastwards to the Ural Mountains, and from the Arctic Circle south to the mountains of the Peloponnese and Sicily, where the species reac ...
,
yew Yew is a common name given to various species of trees. It is most prominently given to any of various coniferous trees and shrubs in the genus '' Taxus'': * European yew or common yew (''Taxus baccata'') * Pacific yew or western yew ('' Taxus ...
and
ash Ash is the solid remnants of fires. Specifically, ''ash'' refers to all non-aqueous, non- gaseous residues that remain after something burns. In analytical chemistry, to analyse the mineral and metal content of chemical samples, ash is the ...
in the wooded areas,
goldilocks "Goldilocks and the Three Bears" is a 19th-century English fairy tale of which three versions exist. The original version of the tale tells of an impudent old woman who enters the forest home of three anthropomorphic bachelor bears while th ...
and sanicle can sometimes be found. More common there, are:
dog's mercury ''Mercurialis perennis'', commonly known as dog's mercury, is a poisonous woodland plant found in much of Europe as well as in Algeria, Iran, Turkey, and the Caucasus, but almost absent from Ireland, Orkney and Shetland.hairy St John's-wort, slender false-broom again, and
wood avens ''Geum urbanum'', also known as wood avens, herb Bennet, colewort, clove root and St. Benedict's herb (Latin: ''herba benedicta''), is a perennial plant in the rose family (Rosaceae), which grows in shady places (such as woodland edges and near ...
. 20120816Ulmus glabra06.jpg,
wych elm ''Ulmus glabra'', the wych elm or Scots elm, has the widest range of the European elm species, from Ireland eastwards to the Ural Mountains, and from the Arctic Circle south to the mountains of the Peloponnese and Sicily, where the species reac ...
Tistelsnultrot - Orobanche Reticulata (28).jpg, Thistle broomrape (protected plant) 20130616Ophrys apifera7.jpg, bee orchid 20150416Ranunculus auricomus1.jpg,
goldilocks "Goldilocks and the Three Bears" is a 19th-century English fairy tale of which three versions exist. The original version of the tale tells of an impudent old woman who enters the forest home of three anthropomorphic bachelor bears while th ...
20170414Sanicula europaea3.jpg, sanicle Зубчатка обыкновенная 2.jpg,
red bartsia ''Odontites vernus'', the red bartsia, is a wild flower from the family Orobanchaceae native to Europe and Asia and occurring as an alien in North America. The red bartsia is a common plant in low-fertility soils, where it lives partially as a pa ...


Fauna

Quarry Moor's scrub provides a breeding site for whitethroat and
willow warbler The willow warbler (''Phylloscopus trochilus'') is a very common and widespread leaf warbler which breeds throughout northern and temperate Europe and the Palearctic, from Ireland east to the Anadyr River basin in eastern Siberia. It is strongl ...
, summer visitors from Africa. The site also supports the resident
treecreeper The treecreepers are a family, Certhiidae, of small passerine birds, widespread in wooded regions of the Northern Hemisphere. The family contains nine species in one genus, '' Certhia''. Their plumage is dull-coloured. As their name implies, they ...
,
wren Wrens are a family, Troglodytidae, of small brown passerine birds. The family includes 96 species and is divided into 19 genera. All species are restricted to the New World except for the Eurasian wren that is widely distributed in the Old Worl ...
and
blackcap The Eurasian blackcap (''Sylvia atricapilla'') is a bird usually known simply as the blackcap. It is a common and widespread typical warbler. It has mainly olive-grey upperparts and pale grey underparts, and differences across the five subspec ...
population. There is a
bird feeding Bird feeding is the activity of feeding wild birds, often by means of bird feeders. With a recorded history dating to the 6th century, the feeding of wild birds has been encouraged and celebrated in the United States and United Kingdom, with it ...
station and a
bird hide A bird hide (blind or bird blind in North America) is a shelter, often camouflaged, that is used to observe wildlife, especially birds, at close quarters. Although hides or hunting blinds were once built chiefly as hunting aids, they are now comm ...
in the south-east corner of the site. Insects breeding onsite include the
brimstone butterfly ''Gonepteryx'' is a genus of butterflies in the family Pieridae; there are about 15 species of ''Gonepteryx''. They live in Europe, Asia, and Northern Africa. They are commonly known as brimstones for the bright yellow colour of the wings of mos ...
, and the
six-spot burnet The six-spot burnet (''Zygaena filipendulae'') is a day-flying moth of the family Zygaenidae. Subspecies *''Z. f. altapyrenaica'' Le Charles, 1950 *''Z. f. arctica'' Schneider, 1880 *''Z. f. balcanirosea'' Holik, 1943 *''Z. f. campaniae'' R ...
moth, whose food plant is bird's-foot trefoil. Mammal sightings at Quarry Moor have included
deer A deer (: deer) or true deer is a hoofed ruminant ungulate of the family Cervidae (informally the deer family). Cervidae is divided into subfamilies Cervinae (which includes, among others, muntjac, elk (wapiti), red deer, and fallow deer) ...
,
vole Voles are small rodents that are relatives of lemmings and hamsters, but with a stouter body; a longer, hairy tail; a slightly rounder head; smaller eyes and ears; and differently formed molars (high-crowned with angular cusps instead of lo ...
,
weasel Weasels are mammals of the genus ''Mustela'' of the family Mustelidae. The genus ''Mustela'' includes the least weasels, polecats, stoats, ferrets, and European mink. Members of this genus are small, active predators, with long and slend ...
and
fox Foxes are small-to-medium-sized omnivorous mammals belonging to several genera of the family Canidae. They have a flattened skull; upright, triangular ears; a pointed, slightly upturned snout; and a long, bushy tail ("brush"). Twelve species ...
. Common whitethroat, Sylvia communis at Zaagkuildrift Road near Kgomo Kgomo (37833017606).jpg, whitethroat File:Capreolus (js)11.jpg, roe deer Erdmaus (Microtus agrestis) jh02.jpg,
field vole The short-tailed field vole, short-tailed vole, or simply field vole (''Microtus agrestis'') is a grey-brown vole, around 10 cm in length, with a short tail. It is one of the most common mammals in Europe, with a range extending from the Atl ...
Mustela-nivalis.jpg,
weasel Weasels are mammals of the genus ''Mustela'' of the family Mustelidae. The genus ''Mustela'' includes the least weasels, polecats, stoats, ferrets, and European mink. Members of this genus are small, active predators, with long and slend ...
'Freda' Fox (15225213661).jpg,
fox Foxes are small-to-medium-sized omnivorous mammals belonging to several genera of the family Canidae. They have a flattened skull; upright, triangular ears; a pointed, slightly upturned snout; and a long, bushy tail ("brush"). Twelve species ...
Gonepteryx rhamni Twisting Wings in Courtship Flight.jpg,
brimstone butterfly ''Gonepteryx'' is a genus of butterflies in the family Pieridae; there are about 15 species of ''Gonepteryx''. They live in Europe, Asia, and Northern Africa. They are commonly known as brimstones for the bright yellow colour of the wings of mos ...


Maintenance

The major aspect of the site for the SSSI is the
limestone Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...
grassland A grassland is an area where the vegetation is dominance (ecology), dominated by grasses (Poaceae). However, sedge (Cyperaceae) and rush (Juncaceae) can also be found along with variable proportions of legumes such as clover, and other Herbaceo ...
, because it can support "a rich variety of plants and animals, including a number of rare plant species." Maintenance of this section is needed to prevent the growth of rank grass and scrub, which would eventually dominate the area and affect the site's
biodiversity Biodiversity is the variability of life, life on Earth. It can be measured on various levels. There is for example genetic variability, species diversity, ecosystem diversity and Phylogenetics, phylogenetic diversity. Diversity is not distribut ...
. Light winter grazing is recommended, to prevent the dominance of scrub, and to achieve a "diverse mosaic of tall and short vegetation" in order to support biodiversity. Thus traditional hay cutting is carried out, and the grassland is grazed by ponies, cattle and native sheep such as Hebrideans. Fertiliser is not recommended because limestone grasslands support species which are adapted to low-nutrient habitats.


Development and risk assessment

When the calcareous grassland of this site was assessed for Natural England in 2011 it was judged to be in favourable condition, although the biodiversity was borderline, and scrub ( hawthorn and
ivy ''Hedera'', commonly called ivy (plural ivies), is a genus of 12–15 species of evergreen climbing or ground-creeping woody plants in the family Araliaceae, native to Western Europe, Central Europe, Southern Europe, Macaronesia, northwestern ...
) was beginning to encroach on the grassland. The woodland area was judged favourable. English Nature has published a list of "operations likely to damage the special interest." Item 27, ''Recreational or other activities likely to damage or disturb features of interest,'' may be pertinent since the park is also maintained for public recreational use. Natural England prohibits the picking of wild flowers, and the dropping of litter. Dogs are required to be kept on the lead, and dog litter bins are provided. Meanwhile, in point 9.2 of a letter granting a 2018 planning application for houses near the SSSI, a site assessor noted that dogs were being exercised on the protected calcareous grassland, dog waste was being left in situ, and "litter, vandalism and degradation are also frequent."


References


External links

* * {{Commons category, Quarry Moor Sites of Special Scientific Interest in North Yorkshire Sites of Special Scientific Interest notified in 1986 Ripon