Old Moor Wetland Centre RSPB Reserve
   HOME

TheInfoList



OR:

RSPB Dearne Valley Old Moor is an
wetlands A wetland is a distinct semi-aquatic ecosystem whose groundcovers are flooded or saturated in water, either permanently, for years or decades, or only seasonally. Flooding results in oxygen-poor ( anoxic) processes taking place, especially ...
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 the
Dearne Valley The Dearne Valley () is an area of South Yorkshire, England, along the River Dearne. It encompasses the towns of Wombwell, Wath-upon-Dearne, Swinton, Conisbrough and Mexborough, the large villages of Ardsley, Bolton on Dearne, Goldthorpe ...
near
Barnsley Barnsley () is a market town in South Yorkshire, England. It is the main settlement of the Metropolitan Borough of Barnsley and the fourth largest settlement in South Yorkshire. The town's population was 71,422 in 2021, while the wider boroug ...
,
South Yorkshire South Yorkshire is a Ceremonial counties of England, ceremonial county in the Yorkshire and the Humber region of England. It borders North Yorkshire and West Yorkshire to the north, the East Riding of Yorkshire to the north-east, Lincolnshire ...
, run by the
Royal Society for the Protection of Birds The Royal Society for the Protection of Birds (RSPB) is a Charitable_organization#United_Kingdom, charitable organisation registered in Charity Commission for England and Wales, England and Wales and in Office of the Scottish Charity Regulator, ...
(RSPB). It lies on the junction of the A633 and
A6195 road The A6195 road runs through the Dearne Valley in South Yorkshire, England. History The road is mainly newly constructed, being built to regenerate the former coal-mining areas of Barnsley in the late 1990s. It has many at-grade roundabouts, a ...
s and is bordered by the
Trans Pennine Trail The Trans Pennine Trail is a long-distance path running from coast to coast across Northern England on a mixture of surfaced paths, with some short on-road sections, and with gentle gradients (it runs largely along disused railway lines and c ...
long-distance path A long-distance trail (or long-distance footpath, track, way, greenway) is a longer recreational trail mainly through rural areas used for hiking, backpacking, cycling, equestrianism or cross-country skiing. They exist on all continents exce ...
. Following the end of
coal mining Coal mining is the process of resource extraction, extracting coal from the ground or from a mine. Coal is valued for its Energy value of coal, energy content and since the 1880s has been widely used to Electricity generation, generate electr ...
locally, the Dearne Valley had become a derelict post-industrial area, and the removal of soil to cover an adjacent polluted site enabled the creation of the wetlands at Old Moor. Old Moor is managed to benefit
bitterns Bitterns are birds belonging to the subfamily Botaurinae of the heron family Ardeidae. Bitterns tend to be shorter-necked and more secretive than other members of the family. They were called ''hæferblæte'' and various iterations of ''rared ...
, breeding
wader 245px, A flock of Red_knot.html" ;"title="Dunlins and Red knot">Dunlins and Red knots Waders or shorebirds are birds of the order Charadriiformes commonly found wikt:wade#Etymology 1, wading along shorelines and mudflats in order to foraging, ...
s such as
lapwings Lapwings (subfamily Vanellinae) are any of various ground-nesting birds (Family (biology), family Charadriidae) akin to plovers and dotterels. They range from in length, and are noted for their slow, irregular wingbeats in flight and a shrill, ...
, redshanks and
avocets The four species of avocets are a genus, ''Recurvirostra'', of waders in the same avian family as the stilts. The genus name comes from Latin , 'curved backwards' and , 'bill'. The common name is thought to derive from the Italian ( Ferrarese) ...
, and wintering golden plovers. A calling male little bittern was present in the summers of 2015 and 2016.
Barnsley Metropolitan Borough Council Barnsley Metropolitan Borough Council is the local authority of the Metropolitan Borough of Barnsley in South Yorkshire, England. It is a metropolitan borough council and provides the majority of local government services in the borough. The cou ...
created the reserve, which opened in 1998, but the RSPB took over management of the site in 2003 and developed it further, with funding from several sources including the
National Lottery Heritage Fund The National Lottery Heritage Fund, formerly the Heritage Lottery Fund (HLF), distributes a share of National Lottery funding, supporting a wide range of heritage projects across the United Kingdom. History The fund's predecessor bodies were ...
. The reserve, along with others nearby, forms part of a landscape-scale project to create wildlife habitat in the Dearne Valley. It is an 'Urban Gateway' site with facilities intended to attract visitors, particularly families. In 2018, the reserve had about 100,000 visits. The reserve may benefit in the future from new habitat creation beyond the reserve and improved accessibility, although there is also a potential threat to the reserve from
climate change Present-day climate change includes both global warming—the ongoing increase in Global surface temperature, global average temperature—and its wider effects on Earth's climate system. Climate variability and change, Climate change in ...
and flooding.


Landscape

Most of the Dearne Valley area lies on the coal measures, comprising
Carboniferous The Carboniferous ( ) is a Geologic time scale, geologic period and System (stratigraphy), system of the Paleozoic era (geology), era that spans 60 million years, from the end of the Devonian Period Ma (million years ago) to the beginning of the ...
sandstone Sandstone is a Clastic rock#Sedimentary clastic rocks, clastic sedimentary rock composed mainly of grain size, sand-sized (0.0625 to 2 mm) silicate mineral, silicate grains, Cementation (geology), cemented together by another mineral. Sand ...
and
slate Slate is a fine-grained, foliated, homogeneous, metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade, regional metamorphism. It is the finest-grained foliated metamorphic ro ...
with seams of coal. The valleys contain fertile
alluvium Alluvium (, ) is loose clay, silt, sand, or gravel that has been deposited by running water in a stream bed, on a floodplain, in an alluvial fan or beach, or in similar settings. Alluvium is also sometimes called alluvial deposit. Alluvium is ...
deposited by their rivers, and the sandstone forms rolling ridges cut by the broad
floodplain A floodplain or flood plain or bottomlands is an area of land adjacent to a river. Floodplains stretch from the banks of a river channel to the base of the enclosing valley, and experience flooding during periods of high Discharge (hydrolog ...
s. The area has been settled continuously since
prehistoric Prehistory, also called pre-literary history, is the period of human history between the first known use of stone tools by hominins  million years ago and the beginning of recorded history with the invention of writing systems. The use o ...
times, with villages developing on the drier sandstone ridges above the flood plain from at least the late
Saxon The Saxons, sometimes called the Old Saxons or Continental Saxons, were a Germanic people of early medieval "Old" Saxony () which became a Carolingian " stem duchy" in 804, in what is now northern Germany. Many of their neighbours were, like th ...
period. Mining is recorded from at least the 13th century, and probably back to
Roman Britain Roman Britain was the territory that became the Roman province of ''Britannia'' after the Roman conquest of Britain, consisting of a large part of the island of Great Britain. The occupation lasted from AD 43 to AD 410. Julius Caes ...
,Ling ''et al'' (2003) pp. 30–33. and the area became heavily industrialised in the 18th century with the arrival of the
Dearne and Dove Canal The Dearne and Dove Canal ran for almost ten miles through South Yorkshire, England from Swinton, South Yorkshire, Swinton to Barnsley through nineteen canal lock, locks, rising . The canal also had two short branches, the Worsbrough branch and ...
. This connected Barnsley to the River Don and beyond, aiding the intensive exploitation of the locality's coal, sandstone and
iron ore Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, or deep purple to rusty red. The iron is usually found in the f ...
. Over the next two centuries, especially following the arrival of the railway in 1840, the area became dominated by its
heavy industries Heavy industry is an industry that involves one or more characteristics such as large and heavy products; large and heavy equipment and facilities (such as heavy equipment, large machine tools, huge buildings and large-scale infrastructure); o ...
. The name ''Old Moor'' may derive from an archaic meaning of ''moor'', referring to a marshy area that was more difficult to cultivate than the alluvium of the flood plain.Hey (2015) pp. 75–77. It had been
enclosed Enclosure or inclosure is a term, used in English landownership, that refers to the appropriation of "waste" or "common land", enclosing it, and by doing so depriving commoners of their traditional rights of access and usage. Agreements to enc ...
as a farm by 1757, when it was owned by the
Marquess of Rockingham Marquess of Rockingham, in the County of Northampton, was a title in the Peerage of Great Britain. It was created in 1746 for Thomas Watson-Wentworth, 1st Marquess of Rockingham, Thomas Watson-Wentworth, 1st Earl of Malton. The Watson family ...
.


History

The Dearne Valley was formerly a major
coal mining Coal mining is the process of resource extraction, extracting coal from the ground or from a mine. Coal is valued for its Energy value of coal, energy content and since the 1880s has been widely used to Electricity generation, generate electr ...
area, with several accessible seams of high-quality
coal Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other Chemical element, elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal i ...
, and in 1950s more than 32,000 colliers worked in its 30 pits. The coal industry dominated the area, and its waste rendered the
River Dearne The River Dearne in South Yorkshire, England flows roughly east for more than , from its source just inside West Yorkshire. It flows through Denby Dale, Clayton West, Darton, Barnsley, Darfield, South Yorkshire, Darfield, Wath upon Dearne, Bolto ...
lifeless, although a few isolated wetland areas remained, monitored by local birdwatchers. The miners' strike of 1984 was the first sign of a national programme of pit closures in the UK that led to all the Dearne Valley mines being closed by 1993, with the loss of 11,000 jobs in the industry. About of the former Wath Manvers Colliery, including a
coking plant A coking factory or a coking plant is where coke and manufactured gas are synthesized from coal using a dry distillation process. The volatile components of the pyrolyzed coal, released by heating to a temperature of between 900°C and 1,400&nb ...
and
marshalling yard A classification yard (American English, as well as the Canadian National Railway), marshalling yard (British, Hong Kong, Indian, and Australian English, and the former Canadian Pacific Railway) or shunting yard (Central Europe) is a railway y ...
, was left as the largest derelict site in western Europe. The ground was heavily polluted and needed to be restored by covering it with clean soil deep enough for trees and scrubs to become established. To achieve this, of material was removed from the adjacent Old Moor, thereby creating a new wetland at that site. The
Wildfowl & Wetlands Trust The Wildfowl & Wetlands Trust (WWT) is an international wildfowl and wetland conservation charity in the United Kingdom. History The trust was founded in 1946 by the ornithologist and artist Sir Peter Scott as the Severn Wildfowl Trust. ...
(WWT) were originally intended to run the proposed reserve, and planned a large lake for wintering
wildfowl The Anatidae are the biological family of water birds that includes ducks, geese, and swans. The family has a cosmopolitan distribution, occurring on all the world's continents except Antarctica. These birds are adapted for swimming, floating o ...
. The
Royal Society for the Protection of Birds The Royal Society for the Protection of Birds (RSPB) is a Charitable_organization#United_Kingdom, charitable organisation registered in Charity Commission for England and Wales, England and Wales and in Office of the Scottish Charity Regulator, ...
(RSPB) suggested adding
reed bed A reedbed or reed bed is a natural habitat found in floodplains, waterlogged depressions and estuaries. Reedbeds are part of a succession from young reeds colonising open water or wet ground through a gradation of increasingly dry ground. As ...
s to help the then-struggling
bittern Bitterns are birds belonging to the subfamily Botaurinae of the heron family Ardeidae. Bitterns tend to be shorter-necked and more secretive than other members of the family. They were called ''hæferblæte'' and various iterations of ''rared ...
population; only 11 males were present in the UK at one point in the 1990s. The WWT was at that time also working on its London Wetland Centre, and pulled out of the Old Moor project since it lacked the resources to cope with two large projects. The creation of the reserve fell to
Barnsley Metropolitan Borough Council Barnsley Metropolitan Borough Council is the local authority of the Metropolitan Borough of Barnsley in South Yorkshire, England. It is a metropolitan borough council and provides the majority of local government services in the borough. The cou ...
, which offered the site to the RSPB in 1997. At that time, the bird charity was more interested in preserving established habitats than creating new sites, and declined to take on Old Moor. The reserve eventually opened in 1998 as part of the regeneration of the
Dearne Valley The Dearne Valley () is an area of South Yorkshire, England, along the River Dearne. It encompasses the towns of Wombwell, Wath-upon-Dearne, Swinton, Conisbrough and Mexborough, the large villages of Ardsley, Bolton on Dearne, Goldthorpe ...
, and was then developed further with the help of a lottery grant of nearly £800,000 in 2002. By 2000, the reserve had only 10,000 visitors annually, and was making a financial loss before being taken over by the RSPB in 2003. The RSPB had changed it its position since its refusal in 1997, with a greater emphasis nationally on engaging the public, and more opportunities to work with the
Environment Agency The Environment Agency (EA) is a non-departmental public body, established in 1996 and sponsored by the United Kingdom government's Department for Environment, Food and Rural Affairs, with responsibilities relating to the protection and enha ...
to create and manage new wetlands. With help from the Environment Agency, local councils and others, the RSPB tripled its land holding in the area to in the next ten years, while other conservation bodies also created and improved reserves. Cooperation between conservation organisations and other agencies led to the formation of the Dearne Valley Landscape Partnership (DVLP) in 2014. This is the main coordinating body for the partners in the Dearne Valley scheme,King (2014) p. 1. which include the
Department for Environment, Food and Rural Affairs The Department for Environment, Food and Rural Affairs (Defra) is a Departments of the Government of the United Kingdom, ministerial department of the government of the United Kingdom. It is responsible for environmental quality, environmenta ...
(DEFRA), local councils,
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, ...
, The Environment Agency, the
Forestry Commission The Forestry Commission is a non-ministerial government department responsible for the management of publicly owned forests and the regulation of both public and private forestry in England. The Forestry Commission was previously also respons ...
,
Yorkshire Water Yorkshire Water is a British water supply and treatment utility company servicing West Yorkshire, South Yorkshire, the East Riding of Yorkshire, part of North Lincolnshire, most of North Yorkshire and part of Derbyshire, in England. The company ...
, the RSPB and several local conservation charities. The DVLP is supported by the Heritage Lottery Fund and its administration is the responsibility of Barnsley Council's Museums and Heritage Service. The partnership's remit includes industrial heritage sites as well as the local environment, and its funding for 2014–2019 was £2.4 million, of which £1.8 million was from the National Lottery. In October 2020, Old Moor was one of the sites from which the
BBC Television BBC Television is a service of the BBC. The corporation has operated a Public service broadcasting in the United Kingdom, public broadcast television service in the United Kingdom, under the terms of a royal charter, since 1 January 1927. It p ...
programme ''
Autumnwatch ''Springwatch'', ''Autumnwatch'' until 2022 and ''Winterwatch'', sometimes known collectively as ''The Watches'', are annual BBC television series which chart the fortunes of British wildlife during the changing of the seasons in the United Kin ...
'' was broadcast, hosting presenter
Gillian Burke Gillian Burke (born ) is a natural history television programme presenter, producer and voiceover artist. She is best known for co-presenting BBC nature series ''Springwatch'' and its spin-offs since 2017. Career Burke studied biology at Brist ...
.


Access and facilities

Old Moor lies about from the
M1 motorway The M1 motorway connects London to Leeds, where it joins the A1(M) motorway, A1(M) near Aberford, to connect to Newcastle upon Tyne, Newcastle. It was the first inter-urban motorway to be completed in the UK; the first motorway in the count ...
, and is accessed from Manvers Way (A633) just east of the A6195 Dearne Valley Parkway junction. The nearest
railway station Rail transport (also known as train transport) is a means of transport using wheeled vehicles running in railway track, tracks, which usually consist of two parallel steel railway track, rails. Rail transport is one of the two primary means of ...
s are at
Wombwell Wombwell () is a town in the Metropolitan Borough of Barnsley in South Yorkshire, England. In the 2011 census, data for the town was split between the ward of Wombwell and small sections that fell into the wards of Darfield (specifically the a ...
and Swinton, both about away. Buses are infrequent, but cyclists can access Old Moor by a bridge to the reserve car park from the
Trans Pennine Trail The Trans Pennine Trail is a long-distance path running from coast to coast across Northern England on a mixture of surfaced paths, with some short on-road sections, and with gentle gradients (it runs largely along disused railway lines and c ...
long-distance path A long-distance trail (or long-distance footpath, track, way, greenway) is a longer recreational trail mainly through rural areas used for hiking, backpacking, cycling, equestrianism or cross-country skiing. They exist on all continents exce ...
, which runs along the southern edge of the reserve. The reserve has a visitor centre, created by Barnsley Council from existing farm buildings, which includes a shop, educational facilities, a café and toilets, picnic and play areas and nature trails. The visitor centre and its café are open daily from 9.30 am–4.00 pm all year, except for 25 and 26 December, but staying open until 5 pm from April to October. Entrance is free for RSPB members, although there are entry charges for other visitors. Old Moor was planned as an "Urban Gateway" RSPB site, its playground, café balcony and children's discovery zone intended to attract visitors. It has nine
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 ...
s and viewing screens, and a sunken hide with a reflection pool for the benefit of photographers. The track to the reed bed is long and the main track is . As of 2018, the reserve had about 100,000 visits per year, with around 3,500 children annually making use of the RSPB's on-site education programmes.King (2014) p. 9. The site uses wood pellets and chippings to fuel a 100 kW
biomass Biomass is a term used in several contexts: in the context of ecology it means living organisms, and in the context of bioenergy it means matter from recently living (but now dead) organisms. In the latter context, there are variations in how ...
converter which provides hot water and heating for five buildings on the site.


Management

The main focus on management throughout the Dearne Valley complex is on its key habitats: wet grassland, open water and reed bed. Although the first reeds were planted at Old Moor in 1996, their establishment has been slow because the
topsoil Topsoil is the upper layer of soil. It has the highest concentration of organic matter and microorganisms and is where most of the Earth's biological soil activity occurs. Description Topsoil is composed of mineral particles and organic mat ...
had been stripped off leaving only hard sterile clay
subsoil Subsoil is the layer of soil under the topsoil on the surface of the ground. Like topsoil, it is composed of a variable mixture of small particles such as sand, silt and clay, but with a much lower percentage of organic matter and humus. The su ...
for planting. Bringing fertile mud from
Blacktoft Sands RSPB reserve Blacktoft Sands RSPB reserve is a nature reserve in the East Riding of Yorkshire, England. It is managed by the Royal Society for the Protection of Birds, which leases the site from Associated British Ports. Description The site is on the sou ...
has helped, although the reeds still stand in ribbons rather than solid blocks. The reed beds are cut when mature to encourage new growth, and are divided into four sections which can be separately drained. Wet grassland is kept short for breeding
wader 245px, A flock of Red_knot.html" ;"title="Dunlins and Red knot">Dunlins and Red knots Waders or shorebirds are birds of the order Charadriiformes commonly found wikt:wade#Etymology 1, wading along shorelines and mudflats in order to foraging, ...
s through grazing by cattle or
Konik The Konik or Polish Konik, , is a Polish list of horse breeds, breed of small horse or pony. There are semi-feral populations in some regions. They are usually dun gene, mouse dun or primitive markings, striped dun. The Bilgoray, , of south-e ...
horses, and by mowing. Ditches are cleared in rotation, and islands are flooded in winter, if possible, to suppress vegetation. Surviving plants are then cut down, and the soil is rotavated to break up the hard clay and deter invasive New Zealand pygmyweed. As a man-made site, Old Moor has a complex water-management system that allows water levels to be controlled in separate compartments of the wetland. In general, water levels are kept high in winter, then lowered to expose the islands for breeding and passage waders. The Dearne Valley is one of 12
Nature Improvement Area Nature Improvement Areas (NIAs) are a network of large scale initiatives in the landscape of England to improve ecological connectivity and improve biodiversity. They were launched in 2012. At 2015, the NIAs covered 47,000 acres of England in tota ...
s (NIAs) created as part of the UK Government's response to Sir John Lawton's 2010 report "Making Space for Nature", which proposed managing conservation on a landscape scale. Plans to manage the Dearne Valley on a landscape-wide basis involve coordination with other wetland reserves. Five smaller sites are already managed by the RSPB; these are Bolton Ings and Gypsy Marsh close to Old Moor, and Adwick Washlands, Wombwell Ings and Edderthorpe
Flash Flash, flashes, or FLASH may refer to: Arts, entertainment, and media Fictional aliases * The Flash, several DC Comics superheroes with super speed: ** Flash (Jay Garrick) ** Barry Allen ** Wally West, the first Kid Flash and third adult Flash ...
within a few miles. Other reserves are the Garganey Trust's Broomhill Flash and the
Yorkshire Wildlife Trust Yorkshire Wildlife Trust is a charitable non-governmental organisation, one of the UK's 46 county-based Wildlife Trusts. Its focus is nature conservation and it works to achieve a nature-rich Yorkshire with healthy and resilient ecosystems ...
's (YWT)
Denaby Ings Denaby Ings are a nature reserve on the River Dearne, encompassing an area of 23 hectares north of Denaby Main, Doncaster, South Yorkshire, near the town of Mexborough. The Trans Pennine Trail passes here. The habitats include open water, water m ...
. The YWT also manages Barnsley council-owned Carlton Marsh, and the Environment Agency is restoring marshes at Houghton Washland. Other parcels of land are being acquired by the various conservation charities as they become available. The Dearne Valley reserves have no statutory protection, but as of 2019, the process to become 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 ...
(SSSI) is under way.


Fauna and flora


Birds

Since the 1990s the RSPB has been attempting to create improved habitats for the formerly endangered UK bittern population, with major reed bed creation at their Ham Wall and Lakenheath Fen reserves being a key part of the bittern recovery programme initiated in 1994 as part of the
United Kingdom Biodiversity Action Plan The United Kingdom Biodiversity Action Plan (UK BAP) was the UK government's response to the Convention on Biological Diversity, opened for signature at the Rio Earth Summit in 1992. The UK was the first country to produce a national Biodiversi ...
. At Old Moor, in addition to the creation of new reed beds, 23,000 small fish were introduced between 2010 and 2016, mainly of species such as
rudd ''Scardinius'' is a genus of freshwater ray-finned fishes belonging to the family Leuciscidae, which includes the daces, Eurasian minnows and related species. The fishes in this genus are commonly called rudds. Locally, the name "rudd" without ...
and
eels Eels are ray-finned fish belonging to the order (biology), order Anguilliformes (), which consists of eight suborders, 20 Family (biology), families, 164 genus, genera, and about 1000 species. Eels undergo considerable development from the earl ...
that are preferred as food by bitterns. This project increased the fish
biomass Biomass is a term used in several contexts: in the context of ecology it means living organisms, and in the context of bioenergy it means matter from recently living (but now dead) organisms. In the latter context, there are variations in how ...
more than twenty-fold to . Breeding waders include
lapwings Lapwings (subfamily Vanellinae) are any of various ground-nesting birds (Family (biology), family Charadriidae) akin to plovers and dotterels. They range from in length, and are noted for their slow, irregular wingbeats in flight and a shrill, ...
, redshanks,
snipe A snipe is any of about 26 wading bird species in three genera in the family Scolopacidae. They are characterized by a very long, slender bill, eyes placed high on the head, and cryptic/ camouflaging plumage. ''Gallinago'' snipe have a nearly ...
and
avocets The four species of avocets are a genus, ''Recurvirostra'', of waders in the same avian family as the stilts. The genus name comes from Latin , 'curved backwards' and , 'bill'. The common name is thought to derive from the Italian ( Ferrarese) ...
, the last species having bred on the reserve since 2011. Predation of wader chicks by
foxes 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 ...
has been a problem, so deep ditches and electric fences are being introduced to exclude mammals.
Black-headed gull The black-headed gull (''Chroicocephalus ridibundus'') is a small gull that breeds in much of the Palearctic in Europe and Asia, and also locally in smaller numbers in coastal eastern Canada. Most of the population is migratory and winters fu ...
numbers have increased from 183 breeding pairs in 2006 to 2,385 pairs in 2017, and have been joined by
Mediterranean gull The Mediterranean gull (''Ichthyaetus melanocephalus'') is a small gull. The scientific name is from Ancient Greek. The genus ''Ichthyaetus'' is from ''ikhthus'', "fish", and ''aetos'', "eagle", and the specific ''melanocephalus'' is from ''mel ...
s, eight being present in 2018. Old Moor is an important wintering site for golden plovers, although numbers have dropped from 6,000–8,000 to just a few hundred in about twenty years. The post-industrial landscaping and planting in the area have created a suitable habitat for the species containing
willow 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 ...
,
alder Alders are trees of the genus ''Alnus'' in the birch family Betulaceae. The genus includes about 35 species of monoecious trees and shrubs, a few reaching a large size, distributed throughout the north temperate zone with a few species ex ...
and clumps of
bramble ''Rubus'' is a large and diverse genus of flowering plants in the rose family, Rosaceae, subfamily Rosoideae, most commonly known as brambles. Fruits of various species are known as raspberries, blackberries, dewberries, and bristleberries. I ...
close to water and linked by linear features such as railways, canals and streams.
Cetti's warbler Cetti's warbler (''Cettia cetti'') is a small, brown bush-warbler which breeds in southern and central Europe, northwest Africa and the east Palearctic as far as Afghanistan and northwest Pakistan. The sexes are alike. The bird is named after ...
and
bearded tit The bearded reedling (''Panurus biarmicus'') is a small, long-tailed passerine bird found in reed beds near water in the temperate zone of Eurasia. It is frequently known as the bearded tit or the bearded parrotbill, as it historically was beli ...
have recently colonised the reserve, and up to three pairs of
barn owl The barn owls, owls in the genus '' Tyto'', are the most widely distributed genus of owls in the world. They are medium-sized owls with large heads and characteristic heart-shaped faces. They have long, strong legs with powerful talons. The ter ...
s breed there. A calling male little bittern summered in 2015 and 2016, and appeared for a few days in 2017. Other recent rarities include a
Baird's sandpiper Baird's sandpiper (''Calidris bairdii'') is a small shorebird. It is among those calidrids which were formerly included in the genus ''Erolia'', which was wiktionary:subsume, subsumed into the genus ''Calidris'' in 1973. The genus name is from An ...
in 2016, a
thrush nightingale The thrush nightingale (''Luscinia luscinia''), also known as the sprosser, is a small passerine bird that was formerly classed as a member of the thrush family Turdidae, but is now more generally considered to be an Old World flycatcher, Muscic ...
and
gull-billed tern The gull-billed tern (''Gelochelidon nilotica''), formerly ''Sterna nilotica'', is a tern in the family Laridae. It is widely distributed and breeds in scattered localities in Europe, Asia, northwest Africa, and the Americas. The Australian gul ...
in 2015, and a
black stork The black stork (''Ciconia nigra'') is a large bird in the stork family Ciconiidae. It was first described by Carl Linnaeus in the 10th edition of his ''Systema Naturae''. Measuring on average from beak tip to end of tail with a wingspan, t ...
in 2014. Since the early 2020's there have been regular
spoonbill Spoonbills are a genus, ''Platalea'', of large, long-legged wading birds. The spoonbills have a global distribution, being found on every continent except Antarctica. The genus name ''Platalea'' derives from Ancient Greek and means "broad", refe ...
sightings and it is hoped that they will breed at the reserve in future.


Other animals and plants

Lesser noctule The lesser noctule, Leisler's bat or the Irish bat (''Nyctalus leisleri''), is a species of insectivorous bat belonging to the vesper bat family, Vespertilionidae. The species was named to honour the naturalist Johann Philipp Achilles Leisler. ...
bats and water voles figure among the scarcer mammals found on the reserve, and
otters Otters are carnivorous mammals in the Rank (zoology), subfamily Lutrinae. The 13 extant otter species are all semiaquatic, aquatic animal, aquatic, or Marine ecology, marine. Lutrinae is a branch of the Mustelidae Family (biology), family, whi ...
have returned to the now-clean rivers. Other mammal species targeted for monitoring during the creation process include the brown hare and the
pipistrelle ''Pipistrellus'' is a genus of bats in the family Vespertilionidae and subfamily Vespertilioninae. The name of the genus is derived from the Italian word , meaning "bat" (from Latin "bird of evening, bat"). The size of the genus has been consi ...
. The alder leaf beetle, formerly believed extinct in the UK, has colonised the Dearne and other local river catchments, probably introduced when the pollution-tolerant Italian alder was planted on restored land. Other uncommon insects found at Old Moor include the great silver water beetle, the
longhorn beetle The longhorn beetles (Cerambycidae), also known as long-horned or longicorns (whose larvae are often referred to as roundheaded borers), are a large family of beetles, with over 35,000 species described. Most species are characterized by Antenn ...
'' Pyrrhidium sanguineum'', the
dingy skipper The dingy skipper (''Erynnis tages'') is a species of butterfly in the family Hesperiidae. Description ''Erynnis tages'' is different from other skippers because of the predominantly monochrome, gray-brown wing coloration and the marbling, which ...
butterfly, and a day-flying moth, the six-belted clearwing. Nationally scarce
nocturnal Nocturnality is a ethology, behavior in some non-human animals characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnality, diurnal meaning the opposite. Nocturnal creatur ...
moths include the cream-bordered green pea and chocolate-tip, while the
red-eyed damselfly ''Erythromma najas'', the red-eyed damselfly, is a member of the Coenagrionidae family of damselflies. Appearance The species is a small damselfly, long, predominantly black with iridescent blue markings. The male resembles blue-tailed damself ...
and red-veined and black darters are notable among the
Odonata Odonata is an order of predatory flying insects that includes the dragonflies and damselflies (as well as the '' Epiophlebia'' damsel-dragonflies). The two major groups are distinguished with dragonflies (Anisoptera) usually being bulkier with ...
. Several rare
flies Flies are insects of the Order (biology), order Diptera, the name being derived from the Ancient Greek, Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwin ...
have been recorded, including three species, '' Parochthiphila coronata'', '' Calamoncosis aspistylina'' and '' Neoascia interrupta'', otherwise known in the UK only from a few sites in the
East Anglia East Anglia is an area of the East of England, often defined as including the counties of Norfolk, Suffolk and Cambridgeshire, with parts of Essex sometimes also included. The name derives from the Anglo-Saxon kingdom of the East Angles, ...
n fenland. An unusual plant
gall Galls (from the Latin , 'oak-apple') or ''cecidia'' (from the Greek , anything gushing out) are a kind of swelling growth on the external tissues of plants. Plant galls are abnormal outgrowths of plant tissues, similar to benign tumors or war ...
found on creeping bent was caused by the
nematode The nematodes ( or ; ; ), roundworms or eelworms constitute the phylum Nematoda. Species in the phylum inhabit a broad range of environments. Most species are free-living, feeding on microorganisms, but many are parasitic. Parasitic worms (h ...
'' Subanguina graminophila''. Scarce plants include yellow vetchling and
hairy bird's-foot trefoil Hairy may refer to: * people or animals covered in hairs or fur * plants covered in trichomes * insects covered in setae * people nicknamed "the Hairy" * Hairy (gene) See also * Hairies, a fictional people * Haerye ''Hunminjeongeum Haerye'' ( ...
. Marsh orchids flower in grassy areas in the summer, and the same species, along with the bee orchid, has colonised the verges of the adjacent Manvers Way. Other scarce plants found in the area include hairlike pondweed, pond water-crowfoot and
greater pond sedge ''Carex riparia'', the greater pond sedge, is a species of sedge found across Europe and Asia. It grows in a variety of wet habitats, and can be a dominant species in some swamps. It is Britain's largest ''Carex'', growing up to tall, with glau ...
.


Threats and opportunities

The Dearne Valley is a natural
washland Washland or washes are areas of land adjacent to rivers which are deliberately flooded at times when the rivers are high, to avoid flooding in residential or important agricultural areas. They often provide for overwintering wildfowl, and severa ...
with a capacity of , and as such it can normally absorb overflow from its river. The floods of 2007 overwhelmed the storage capacity and covered the whole of Old Moor to hide-roof level, only the visitor centre being untouched. In the longer term, the reserve might be adversely affected by
climate change Present-day climate change includes both global warming—the ongoing increase in Global surface temperature, global average temperature—and its wider effects on Earth's climate system. Climate variability and change, Climate change in ...
, perhaps leading to alterations in the populations of woodland species.King (2014) p. 15. More positive effects may arise as the local environment improves, with habitat creation occurring beyond the reserve and better accessibility.King (2014) pp. 61–62.King (2014) pp. 141–143. A survey by the DVLP showed that 44% of respondents said that they liked to visit the local wildlife reserves, with another 17% mentioning waterways and lakes. When asked what they liked about the Dearne Valley area, 35% of replies said nature and wildlife.King (2014) p. 65. The success of Old Moor has led to the creation of similar RSPB reserves close to urban areas at Rainham Marshes east of London,
Newport Wetlands Newport Wetlands is a wildlife reserve covering parts of Uskmouth, Nash and Goldcliff, in the south-east of the city of Newport, South Wales. History The reserve was established in 2000 to mitigate losses of wildlife habitat when the Car ...
in
South Wales South Wales ( ) is a Regions of Wales, loosely defined region of Wales bordered by England to the east and mid Wales to the north. Generally considered to include the Historic counties of Wales, historic counties of Glamorgan and Monmouthshire ( ...
, and RSPB Saltholme on
Teesside Teesside () is an urban area around the River Tees in North East England. Straddling the border between County Durham and North Yorkshire, it spans the boroughs of Borough of Middlesbrough, Middlesbrough, Borough of Stockton-on-Tees, Stockton ...
.


References


Cited texts

* * *


External links


Official site
{{featured article Constructed wetlands Old Moor RSPB visitor centres in England Tourist attractions in Barnsley Nature reserves in South Yorkshire Wetlands of England