Rosenannon Downs is 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 ...

in mid

Cornwall Cornwall (; or ) is a Ceremonial counties of England, ceremonial county in South West England. It is also one of the Celtic nations and the homeland of the Cornish people. The county is bordered by the Atlantic Ocean to the north and west, ...

England England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ...

, UK, being designated Rosenannon Bog and Downs

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 ...

(SSSI), noted for its

biological Biology is the scientific study of life and living organisms. It is a broad natural science that encompasses a wide range of fields and unifying principles that explain the structure, function, growth, origin, evolution, and distribution of ...

characteristics. The site supports a wide variety of flora and fauna and includes Bronze Age barrows. Conservation work is carried out on the site by the owners, the

Cornwall Wildlife Trust The Cornwall Wildlife Trust (founded as the Cornwall Naturalists' Club) is a charitable organisation founded in 1962 that is concerned solely with Cornwall, England, United Kingdom. It deals with the conservation and preservation of Cornwall's w ...

Geography

The SSSI, notified in 1979, is located north of the hamlet of Rosenannon within the civil parish of

St Wenn St Wenn () is a civil parish and village in Cornwall, England, United Kingdom. The village is situated west of Bodmin and east of Newquay. The parish population at the 2011 census was 369. Other settlements in the parish include Rosenannon, ...

, south-west of the town of

Wadebridge Wadebridge (; ) is a town and civil parishes in England, civil parish in north Cornwall, England, United Kingdom. The town straddles the River Camel upstream from Padstow.Ordnance Survey: Landranger map sheet 200 ''Newquay & Bodmin'' The pe ...

. The streams rising on this site feed into the River Camel Valley and Tributaries SSSI.Ordnance Survey: Landranger map sheet 200 ''Newquay & Bodmin'' The nature reserve is owned and managed by the

. The Downs have been leased by the Trust from 1999 and were bequeathed to them in 2009 by Theresa Knowles.

History

To the north of the site are three

Bronze Age The Bronze Age () was a historical period characterised principally by the use of bronze tools and the development of complex urban societies, as well as the adoption of writing in some areas. The Bronze Age is the middle principal period of ...

barrows, dated to around 2500 BC. The SSSI was previously named ''Rosenannon Bog'', but was renamed after the site was expanded to its current limits. The Downs have not been grazed since the 1960s, although a proposal to reintroduce this is going ahead.

Wildlife and ecology

Flora

The two main types of habitat on the site are

heath A heath () is a shrubland habitat found mainly on free-draining infertile, acidic soils and is characterised by open, low-growing woody vegetation. Moorland is generally related to high-ground heaths with—especially in Great Britain—a coole ...

land and

bog A bog or bogland is a wetland that accumulates peat as a deposit of dead plant materials often mosses, typically sphagnum moss. It is one of the four main types of wetlands. Other names for bogs include mire, mosses, quagmire, and musk ...

land, which support a wide variety of species. The dry heath comprises five main species of plant, of which the common heather (''

Calluna vulgaris ''Calluna vulgaris'', common heather, ling, or simply heather, is the sole species in the genus ''Calluna'' in the flowering plant family Ericaceae. It is a low-growing evergreen shrub growing to tall, or rarely to and taller, and is found wide ...

'') is the most prolific with bell heather (''

Erica cinerea ''Erica cinerea'', the bell heather, is a species of flowering plant in the heath family Ericaceae, native to western and central Europe. Description It is a low, spreading shrub growing to tall, with fine needle-like leaves long arranged in ...

'') and western gorse (''

Ulex gallii ''Ulex gallii'', the western gorse or dwarf furzeA R Clapham, T G Tutin, E F Warburg, ''Flora of the British Isles'', Cambridge, 1962, p. 332 is an evergreen shrub in the pea family (Fabaceae), native to the Atlantic coasts of western Europe: sou ...

'') also dominant; bristle bent (''

Agrostis curtisii ''Agrostis curtisii'', the bristle bent, is a species of grass in the family Poaceae native to Eurasia. It is densely tufted, with hair like leaves and stems that grow up to 60 cm. Its spikelets are yellow-green in colour, and its lemmas ...

'') and purple moor-grass (''

Molinia caerulea ''Molinia caerulea'', known by the common name purple moor-grass, is a species of grass that is native to Europe, west Asia, and north Africa. It grows in locations from the lowlands up to in the Alps. Like most grasses, it grows best in acid s ...

'') to a lesser extent. Other species found in this habitat are heath milkwort ('' Polygala serpyllifolia''), lousewort (''

Pedicularis sylvatica ''Pedicularis sylvatica'', commonly known as common lousewort, is a plant species in the genus ''Pedicularis''. It is native to central and northern Europe where it grows on moist acidic soils, moorland, grassy heathland and the drier parts of ma ...

''), saw-wort (''

Serratula tinctoria ''Serratula tinctoria'', commonly known as dyer's plumeless saw-wort or saw-wort, is a species of flowering plant in the family Asteraceae. Description Saw-wort is a spineless hairless perennial herb with wiry branched erect grooved stems. It ...

''), deer grass (''

Trichophorum cespitosum ''Trichophorum cespitosum'', commonly known as deergrass or tufted bulrush, is a species of flowering plant in the sedge family. It was originally described by the Swedish naturalist Carl Linnaeus in 1753 as ''Scirpus cespitosus'', but was trans ...

'') and the heath spotted-orchid (''

Dactylorhiza maculata ''Dactylorhiza'' is a genus of flowering plants in the orchid family Orchidaceae. Its species are commonly called marsh orchids or spotted orchids. ''Dactylorhiza'' were previously classified under '' Orchis'', which has two round tubers. Desc ...

''). The wet heath areas also contain purple moor-grass along with bog myrtle (''

Myrica gale ''Myrica gale'' is a species of flowering plant in the family Myricaceae native to parts of Eurasia and North America. Common names include bog-myrtle, sweet willow, Dutch myrtle, and sweetgale. Description ''Myrica gale'' is a deciduous shrub g ...

'') and cross-leaved heath (''

Erica tetralix ''Erica tetralix'', the cross-leaved heath, is a species of flowering plant in the family Ericaceae, native to western Europe. Description It is a perennial subshrub with glandular leaves in whorls of four (whence the name). Appearing in summe ...

'') as the three most prolific species. Black bogrush (''

Schoenus nigricans ''Schoenus nigricans'' is a species of sedge known by the common names black bog-rush''Schoenus ni ...

'') are prominent in the wetter, more base-rich parts, whereas bog mosses (''

Sphagnum ''Sphagnum'' is a genus of approximately 380 accepted species of mosses, commonly known as sphagnum moss, also bog moss and quacker moss (although that term is also sometimes used for peat). Accumulations of ''Sphagnum'' can store water, since ...

spp.'') and the

insectivorous A robber fly eating a hoverfly An insectivore is a carnivorous animal or plant which eats insects. An alternative term is entomophage, which can also refer to the human practice of eating insects. The first vertebrate insectivores we ...

round-leaved sundew (''

Drosera rotundifolia ''Drosera rotundifolia'', the round-leaved sundew, roundleaf sundew, or common sundew, is a carnivorous species of flowering plant that grows in bogs, marshes and fens. One of the most widespread sundew species, it has a circumboreal distribut ...

'') can be found in the wet hollows. Along with cross-leaved heath and purple moor-grass the valley bog habitat supports bog asphodel (''

Narthecium ossifragum ''Narthecium ossifragum'', commonly known as bog asphodel, Lancashire asphodel or bastard asphodel, is a species of flowering plant in the family Nartheciaceae. It is native to Western Europe, found on wet, boggy moorlands up to about in elev ...

''), bog pimpernel (''

Lysimachia tenella ''Lysimachia tenella'', synonym ''Anagallis tenella'', known in Britain as the bog pimpernel, is a low growing perennial plant found in a variety of damp habitats from calcareous dune slacks to boggy and peaty heaths in western and southern Eur ...

'', syn. ''Anagallis tenella''), common cottongrass (''

Eriophorum angustifolium ''Eriophorum angustifolium'', commonly known as common cottongrass or common cottonsedge, is a species of flowering plant in the sedge family, Cyperaceae. Native to North America, North Asia, and Europe, it grows on peat or acidic soils, in op ...

''), lesser skullcap (''

Scutellaria minor ''Scutellaria minor'', the lesser skullcap, is a species of flowering plant in the family Lamiaceae. Description ''Scutellaria minor'' grows to tall, with narrowly ovate leaves arranged oppositely. Flowers are borne in the axils of the upper le ...

''), pale butterwort (''

Pinguicula lusitanica ''Pinguicula'', commonly known as butterworts, is a genus of carnivorous flowering plants in the family Lentibulariaceae. They use sticky, glandular leaves to lure, trap, and digest insects in order to supplement the poor mineral nutrition they ...

'') and white beak-sedge (''

Rhynchospora alba ''Rhynchospora alba'', the white beak-sedge, is a plant in the sedge family, Cyperaceae. It is a tufted herbaceous perennial around 50 cm tall, with white inflorescences that flower in August. The fruit of the sedge is a small achene with a ...

''). Royal fern (''

Osmunda regalis ''Osmunda regalis'', or royal fern, is a species of deciduous fern, native to Europe, Africa and Asia, growing in woodland bogs and on the banks of streams. The species is sometimes known as flowering fern due to the appearance of its fertile fro ...

'') and wavy St. John's-wort ('' Hypericum undulatum''), species which are not common within Britain, can also be found in the bogland. A broad-leaved woodland surrounds the valley bog which mainly contains sessile oak (''

Quercus petraea ''Quercus petraea'', commonly known as the sessile oak, Welsh oak, Cornish oak, Irish oak or durmast oak, is a species of oak tree native to most of Europe and into Anatolia and Iran. The sessile oak is the national tree of Ireland, and an un ...

''), and willows (''

Salix Willows, also called sallows and osiers, of the genus ''Salix'', comprise around 350 species (plus numerous hybrids) of typically deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions. Most species are known ...

spp.''). An area of scrub is present on the southern edge of the Downs, which supports Cornish bladderseed ('' Physospermum cornubiense'').

Fauna

Heathland birds which feed, nest and breed on the site include the

common snipe The common snipe (''Gallinago gallinago'') is a small, stocky wader native to the Old World. Distribution and habitat The breeding habitats are marshes, bogs, tundra and wet meadows throughout the Palearctic. In the north, the distribution li ...

(''Gallinago gallinago''),

curlew The curlews () are a group of nine species of birds in the genus ''Numenius'', characterised by their long, slender, downcurved bills and mottled brown plumage. The English name is imitative of the Eurasian curlew's call, but may have been infl ...

(''Numenius arquata''), and the

meadow pipit The meadow pipit (''Anthus pratensis'') is a small passerine bird that breeds throughout much of the Palearctic, from south-eastern Greenland and Iceland east to just east of the Ural Mountains in Russia, and south to central France and Romania; ...

(''Anthus pratensis''), as well as the

European stonechat The European stonechat (''Saxicola rubicola'') is a small passerine bird that was formerly classed as a subspecies of the common stonechat. Long considered a member of the thrush family, Turdidae, genetic evidence has placed it and its relative ...

(''Saxicola rubicola''), which is in national decline. Other birds recorded on the reserve include the

hen harrier The hen harrier (''Circus cyaneus'') is a bird of prey. It breeds in Palearctic, Eurasia. The term "hen harrier" refers to its former habit of preying on free-ranging fowl. It bird migration, migrates to more southerly areas in winter. Eurasian ...

(''Circus cyaneus''),

Montagu's harrier Montagu's harrier (''Circus pygargus'') is a migratory bird of prey of the harrier family. Its common name commemorates the British naturalist George Montagu. Taxonomy The first formal description of Montagu's harrier was by the Swedish nat ...

(''Circus pygargus'') and the

skylark ''Alauda'' is a genus of larks found across much of Europe, Asia and in the mountains of north Africa, and one of the species (the Raso lark) endemic to the islet of Raso in the Cape Verde Islands Cape Verde or Cabo Verde, officially ...

(''Alauda arvensis'').

Conservation

The Cornwall Wildlife Trust has been given permission by the

Secretary of State for Environment The secretary of state for the environment was a UK cabinet position, responsible for the Department of the Environment (DoE). Today, its responsibilities are carried out by the secretary of state for environment, food and rural affairs and the ...

to allow the site to be fenced in order to re-introduce

cattle grazing Animal husbandry is the branch of agriculture concerned with animals that are raised for meat, animal fiber, fibre, milk, or other products. It includes day-to-day care, management, production, nutrition, selective breeding, and the raising ...

on the site for management purposes. This is to be carried out in order to reduce the chance of uncontrolled

fires Fire is the rapid oxidation of a fuel in the exothermic chemical process of combustion, releasing heat, light, and various reaction products. Flames, the most visible portion of the fire, are produced in the combustion reaction when the fuel ...

and to benefit the

small pearl-bordered fritillary ''Boloria selene'', known in Europe as the small pearl-bordered fritillary, is a species of butterfly of the family Nymphalidae. It is found across Europe, Asia and North America, and feeds exclusively on violets in its larval stages.

butterfly (''Boloria selene''), whose larva feed mainly on marsh violet (''

Viola palustris ''Viola palustris'' (marsh violet, or alpine marsh violet) is a perennial forb of the genus ''Viola''. It inhabits moist meadows, marshes, and stream banks in northern parts of North America and Eurasia. The species epithet ''palustris'' is Latin ...

'') on the mid–Cornwall moors; a low–growing plant which is out competed by the more vigorous purple moor-grass. Fencing to enable cattle grazing was started in December 2011. For the third year in the last four there has been an uncontrolled fire on the reserve which is thought to be

arson Arson is the act of willfully and deliberately setting fire to or charring property. Although the act of arson typically involves buildings, the term can also refer to the intentional burning of other things, such as motor vehicles, watercr ...

; the latest in March 2012 burnt .

References

{{SSSIs Cornwall biological Nature reserves of the Cornwall Wildlife Trust Sites of Special Scientific Interest in Cornwall Sites of Special Scientific Interest notified in 1951 Bogs of England