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Ireland
  • Éire  (Irish)
  • Airlann  (Ulster Scots)
Satellite image of Ireland
Satellite image, October 2010
Map of Ireland in Europe.svg
Location of  Ireland  (dark green)

on the European continent  (dark grey)

Geography
Location Northwestern Europe
Coordinates 53°26′58″N 07°30′11″W / 53.44944°N 7.50306°W / 53.44944; -7.50306
Adjacent bodies of water Atlantic Ocean
Area 84,421 km2 (32,595 sq mi)
Area rank 20th
Coastline 7,527 km (4,677.1 mi)
Highest elevation 1,041 m (3,415 ft)
Highest point Carrauntoohil
Administration
Republic of Ireland
Largest city Dublin, pop. 1,458,154 Metropolitan Area (2022)
United Kingdom
Country Northern Ireland
Largest city Belfast, pop. 671,559 Metropolitan Area (2011)
Demographics
Demonym Irish
Population 7,185,600 (2023 estimate)
Population rank 19th
Pop. density 82.2 /km2 (212.9 /sq mi)
Languages
Ethnic groups
Additional information
Time zone
 • Summer (DST)
Patron saints
  1. Including surrounding islands.

Ireland ( YRE-lənd; Irish: [Éire] Error: {{Lang}}: text has italic markup (help) Ulster-Scots: Airlann) is an island in the North Atlantic Ocean, in north-western Europe. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the second-largest island of the British Isles, the third-largest in Europe, and the twentieth-largest in the world.

The island of Ireland is divided between the Republic of Ireland (officially named Ireland), an independent state covering five-sixths of the island, and Northern Ireland, which is part of the United Kingdom. As of 2022, the population of the entire island is just over 7 million, with 5.1 million living in the Republic of Ireland and 1.9 million in Northern Ireland, ranking it the second-most populous island in Europe after Great Britain.

The geography of Ireland comprises relatively low-lying mountains surrounding a central plain, with several navigable rivers extending inland. Its lush vegetation is a product of its mild but changeable climate which is free of extremes in temperature. Much of Ireland was woodland until the end of the Middle Ages. Today, woodland makes up about 10% of the island, compared with a European average of over 33%, with most of it being non-native conifer plantations. The Irish climate is influenced by the Atlantic Ocean and thus very moderate, and winters are milder than expected for such a northerly area, although summers are cooler than those in continental Europe. Rainfall and cloud cover are abundant.

History

Gaelic Ireland had emerged by the 1st century AD. The island was Christianised from the 5th century onwards. Following the 12th century Anglo-Norman invasion, England claimed sovereignty. However, English rule did not extend over the whole island until the 16th–17th century Tudor conquest, which led to colonisation by settlers from Britain. In the 1690s, a system of Protestant English rule was designed to materially disadvantage the Catholic majority and Protestant dissenters, and was extended during the 18th century. With the Acts of Union in 1801, Ireland became a part of the United Kingdom. A war of independence in the early 20th century was followed by the partition of the island, leading to the creation of the Irish Free State, which became increasingly sovereign over the following decades, and Northern Ireland, which remained a part of the United Kingdom. Northern Ireland saw much civil unrest from the late 1960s until the 1990s. This subsided following the Good Friday Agreement in 1998. In 1973, both the Republic of Ireland and the United Kingdom, with Northern Ireland as part of it, joined the European Economic Community. Following a referendum vote in 2016, the United Kingdom, Northern Ireland included, left the European Union (EU) in 2020. Northern Ireland was granted a limited special status and allowed to operate within the EU single market for goods without being in the European Union; the economy has subsequently grown faster than the rest of the UK.

Etymology

The names Ireland and Éire derive from Old Irish Ériu, a goddess in Irish mythology first recorded in the ninth century. The etymology of Ériu is disputed but may derive from the Proto-Indo-European root *h2uer, referring to flowing water.

Geography

Ireland physical large
Physical features of Ireland

Ireland is located in the north-west of Europe, between latitudes 51° and 56° N, and longitudes 11° and 5° W. It is separated from Great Britain by the Irish Sea and the North Channel, which has a width of 23 kilometres (14 mi) at its narrowest point. To the west is the northern Atlantic Ocean and to the south is the Celtic Sea, which lies between Ireland and Brittany, in France. Ireland has a total area of 84,421 km2 (32,595 sq mi), of which the Republic of Ireland occupies 83 percent. Ireland and Great Britain, together with many nearby smaller islands, are known collectively as the British Isles. As the term British Isles can be controversial in relation to Ireland, the alternate term Britain and Ireland is sometimes used as a neutral term for the islands.

A ring of coastal mountains surrounds low plains at the centre of the island. The highest of these is Carrauntoohil (Irish: [Corrán Tuathail] Error: {{Lang}}: text has italic markup (help)) in County Kerry, which rises to 1,039 m (3,409 ft) above sea level. The most arable land lies in the province of Leinster. Western areas are mainly mountainous and rocky with green panoramic vistas. River Shannon, the island's longest river at 360.5 km (224 mi) long, rises in County Cavan in the north-west and flows through Limerick in the midwest.

Geology

Topography Ireland
Topography of Ireland

The island consists of varied geological provinces. In the west, around County Galway and County Donegal, is a medium to high grade metamorphic and igneous complex of Caledonide affinity, similar to the Scottish Highlands. Across southeast Ulster and extending southwest to Longford and south to Navan is a province of Ordovician and Silurian rocks, with similarities to the Southern Uplands province of Scotland. Further south, along the County Wexford coastline, is an area of granite intrusives into more Ordovician and Silurian rocks, like that found in Wales.

In the southwest, around Bantry Bay and the mountains of MacGillycuddy's Reeks, is an area of substantially deformed, lightly metamorphosed Devonian-aged rocks. This partial ring of "hard rock" geology is covered by a blanket of Carboniferous limestone over the centre of the country, giving rise to a comparatively fertile and lush landscape. The west-coast district of the Burren around Lisdoonvarna has well-developed karst features. Significant stratiform lead-zinc mineralisation is found in the limestones around Silvermines and Tynagh.

Hydrocarbon exploration is ongoing following the first major find at the Kinsale Head gas field off Cork in the mid-1970s. In 1999, economically significant finds of natural gas were made in the Corrib Gas Field off the County Mayo coast. This has increased activity off the west coast in parallel with the "West of Shetland" step-out development from the North Sea hydrocarbon province. In 2000, the Helvick oil field was discovered, which was estimated to contain over 28 million barrels (4,500,000 m3) of oil.

Climate

The island's lush vegetation, a product of its mild climate and frequent rainfall, earns it the sobriquet the Emerald Isle. Overall, Ireland has a mild but changeable oceanic climate with few extremes. The climate is typically insular and temperate, avoiding the extremes in temperature of many other areas in the world at similar latitudes. This is a result of the moist winds which ordinarily prevail from the southwestern Atlantic.

Precipitation falls throughout the year but is light overall, particularly in the east. The west tends to be wetter on average and prone to Atlantic storms, especially in the late autumn and winter months. These occasionally bring destructive winds and higher total rainfall to these areas, as well as sometimes snow and hail. The regions of north County Galway and east County Mayo have the highest incidents of recorded lightning annually for the island, with lightning occurring approximately five to ten days per year in these areas. Munster, in the south, records the least snow whereas Ulster, in the north, records the most.

Inland areas are warmer in summer and colder in winter. Usually around 40 days of the year are below freezing 0 °C (32 °F) at inland weather stations, compared to 10 days at coastal stations. Ireland is sometimes affected by heat waves, most recently in 1995, 2003, 2006, 2013 and 2018. In common with the rest of Europe, Ireland experienced unusually cold weather during the winter of 2010–11. Temperatures fell as low as −17.2 °C (1 °F) in County Mayo on 20 December and up to a metre (3 ft) of snow fell in mountainous areas.

Flora and fauna

Red Fox (Vulpes vulpes) (4)
Two red foxes (Vulpes vulpes) in Gubbeen, County Cork

Unlike Great Britain which had a land bridge with mainland Europe, Ireland only had an ice bridge ending around 14,000 years ago at the end of the last ice age and as a result, it has fewer land animal and plant species than Great Britain or mainland Europe. There are 55 mammal species in Ireland, and of them, only 26 land mammal species are considered native to Ireland. Some species, such as, the red fox, hedgehog and badger, are very common, whereas others, like the Irish hare, red deer and pine marten are less so. Aquatic wildlife, such as species of sea turtle, shark, seal, whale, and dolphin, are common off the coast. About 400 species of birds have been recorded in Ireland. Many of these are migratory, including the barn swallow.

Irl-female red deer Killarney
Red deer (Cervus elaphus) in Killarney National Park

Several different habitat types are found in Ireland, including farmland, open woodland, temperate broadleaf and mixed forests, conifer plantations, peat bogs and a variety of coastal habitats. However, agriculture drives current land use patterns in Ireland, limiting natural habitat preserves, particularly for larger wild mammals with greater territorial needs. With no large apex predators in Ireland other than humans and dogs, such populations of animals as semi-wild deer that cannot be controlled by smaller predators, such as the fox, are controlled by annual culling.

There are no snakes in Ireland, and only one species of reptile (the common lizard) is native to the island. Extinct species include the Irish elk, the great auk, brown bear and the wolf. Some previously extinct birds, such as the golden eagle, have been reintroduced after decades of extirpation.

Ireland is now one of the least forested countries in Europe. Until the end of the Middle Ages, Ireland was heavily forested. Native species include deciduous trees such as oak, ash, hazel, birch, alder, willow, aspen, rowan and hawthorn, as well as evergreen trees such Scots pine, yew, holly and strawberry trees. Only about 10% of Ireland today is woodland; most of this is non-native conifer plantations, and only 2% is native woodland. The average woodland cover of European countries is over 33%. In the Republic, about 389,356 hectares (3,893.56 km2) is owned by the state, mainly by the forestry service Coillte. Remnants of native forest can be found scattered around the island, in particular in the Killarney National Park.

Gorse-Ulex europaeus
Furze (Ulex europaeus)

Much of the land is now covered with pasture and there are many species of wild-flower. Gorse (Ulex europaeus), a wild furze, is commonly found growing in the uplands and ferns are plentiful in the more moist regions, especially in the western parts. It is home to hundreds of plant species, some of them unique to the island, and has been "invaded" by some grasses, such as Spartina anglica.

The algal and seaweed flora is that of the cold-temperate variety. The total number of species is 574 The island has been invaded by some algae, some of which are now well established.

Because of its mild climate, many species, including sub-tropical species such as palm trees, are grown in Ireland. Phytogeographically, Ireland belongs to the Atlantic European province of the Circumboreal Region within the Boreal Kingdom. The island can be subdivided into two ecoregions: the Celtic broadleaf forests and North Atlantic moist mixed forests.

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See also

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