The Shannon Callows at Clonmacnoise - geograph

The Shannon Callows () are areas of flat land along the shores of the

River Shannon The River Shannon ( or archaic ') is the major river on the island of Ireland, and at in length, is the longest river in the British Isles. It drains the Shannon River Basin, which has an area of , – approximately one fifth of the area of I ...

. These areas lie between

Athlone Athlone (; ) is a town on the border of County Roscommon and County Westmeath, Republic of Ireland, Ireland. It is located on the River Shannon near the southern shore of Lough Ree. It is the second most populous town in the Midland Region, Ir ...

County Westmeath County Westmeath (; or simply ) is a Counties of Ireland, county in Republic of Ireland, Ireland. It is in the Provinces of Ireland, province of Leinster and is part of the Eastern and Midland Region. It formed part of the historic Kingdom of ...

, where the river flows out of

Lough Ree Lough Ree (), translated to English as ''King's Lake'' or ''King Lake'', is a lake in the midlands of Republic of Ireland, Ireland, the second of the three major lakes on the River Shannon. Lough Ree is the second largest lake on the Shannon af ...

, and

Portumna Portumna (- meaning 'the landing place of the oak') is a market town in the south-east of County Galway, Ireland, on the border with and linked by a Portumna bridge, bridge to County Tipperary. The town is located to the west of the point where ...

County Galway County Galway ( ; ) is a Counties of Ireland, county in Republic of Ireland, Ireland. It is in the Northern and Western Region, taking up the south of the Provinces of Ireland, province of Connacht. The county population was 276,451 at the 20 ...

, where it enters Lough Derg, in central

Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...

. The shallow grade of the river here results in occasional

flooding A flood is an overflow of water ( or rarely other fluids) that submerges land that is usually dry. In the sense of "flowing water", the word may also be applied to the inflow of the tide. Floods are of significant concern in agriculture, civi ...

of the callows.

Etymology

The

Hiberno-English Hiberno-English or Irish English (IrE), also formerly sometimes called Anglo-Irish, is the set of dialects of English native to the island of Ireland. In both the Republic of Ireland and Northern Ireland, English is the first language in e ...

word "callow" is an

anglicisation Anglicisation or anglicization is a form of cultural assimilation whereby something non-English becomes assimilated into or influenced by the culture of England. It can be sociocultural, in which a non-English place adopts the English language ...

of the Irish word ''caladh'', which means " flood-meadow".

Protection

The Shannon Callows are a classified as a

Special Area of Conservation A special area of conservation (SAC) is defined in the European Union's Habitats Directive (92/43/EEC), also known as the ''Directive on the Conservation of Natural Habitats and of Wild Fauna and Flora''. They are to protect the 220 habitats and ap ...

(SAC). The Irish Wildlife Trust has a "callow reserve" on Bullock Island in

County Offaly County Offaly (; ) is a Counties of Ireland, county in Republic of Ireland, Ireland. It is part of the Eastern and Midland Region and the Provinces of Ireland, province of Leinster. It is named after the Ancient Ireland, ancient Kingdom of Uí ...

. The SAC covers an area of .

Wildlife

The Shannon Callows are subject to protection owing to the many species of birds occurring on the site. Recorded are, amongst others, black-tailed godwit,

corncrake The corn crake, corncrake or landrail (''Crex crex'') is a bird in the Rallidae, rail family. It breeds in Europe and Asia as far east as western China, and bird migration, migrates to Africa for the Northern Hemisphere's winter. It is a medium ...

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 ...

, golden plover, lapwing,

mute swan The mute swan (''Cygnus olor'') is a species of swan and a member of the waterfowl family Anatidae. It is native to much of Eurasia, and (as a rare winter visitor) the far north of Africa. It is an introduced species in North America, home to ...

, redshank, common sandpiper,

whooper swan The whooper swan ( /ˈhuːpə(ɹ) swɒn/ "hooper swan"; ''Cygnus cygnus''), also known as the common swan, is a large northern hemisphere swan. It is the Eurasian counterpart of the North American trumpeter swan, and the type species for the genu ...

and wigeon. Mammals recorded include

American mink The American mink (''Neogale vison'') is a semiaquatic species of Mustelidae, mustelid native to North America, though human introduction has expanded its range to many parts of Europe, Asia, and South America. Because of range expansion, the Am ...

, fox and

otter Otters are carnivorous mammals in the subfamily Lutrinae. The 13 extant otter species are all semiaquatic, aquatic, or marine. Lutrinae is a branch of the Mustelidae family, which includes weasels, badgers, mink, and wolverines, among ...

. Grazing of cattle keeps alder and willow from spreading. Sections of callow at higher elevation and therefore less prone to flooding have a greater diversity of plants, in particular clover, creeping buttercup, cuckoo flower, marsh bedstraw, marsh marigold, meadow grass, meadowsweet, sedge and water mint. The area was one of the most important breeding areas for corncrakes in Ireland and the local farmers supported a project to mow the callows later in the summer to give the birds the chance to rear a second brood. However, the early summer flooding which became predominant stopped the corncrakes breeding at all, the corncrake being said to be the first bird to be extirpated from Shannon system due to climate change. The area also supports 80% of the Irish population of whinchat.

References

{{coord missing, Ireland Special Areas of Conservation in the Republic of Ireland Floodplains of Europe River Shannon