Breiðafjörður (, ''wide fjord'') is a large shallow bay, about 50 km wide and 125 km long, in the west of Iceland. It separates the region of the

Westfjords The Westfjords or West Fjords ( is, Vestfirðir , ISO 3166-2:IS: IS-4) is a large peninsula in northwestern Iceland and an administrative district, the least populous administrative district. It lies on the Denmark Strait, facing the east coa ...

(Vestfirðir) from the

Snæfellsnes The Snæfellsnes () is a peninsula situated to the west of Borgarfjörður, in western Iceland. The Snæfellsjökull volcano, regarded as one of the symbols of Iceland, can be found in the area. With its height of 1446 m, it is the highest ...

peninsula to the south. Breiðafjörður is encircled by mountains, including Kirkjufell and the glacier Snæfellsjökull on the Snæfellsnes peninsula, and the Látrabjarg bird cliffs at the tip of the Westfjords. Numerous smaller fjords extend inland from Breiðafjörður, the largest being Hvammsfjörður at its southeastern corner. An interesting feature of the bay is that the land to the north was formed about 15 million years ago, whereas the land to the south was formed less than half that time ago.

Nature

Breiðafjörður has a spectacular land and seascape consisting of shallow seas, small fjords and bays, and

intertidal The intertidal zone, also known as the foreshore, is the area above water level at low tide and underwater at high tide (in other words, the area within the tidal range). This area can include several types of habitats with various species ...

areas, dotted with about 3,000 islands, islets and skerries. The area contains about half of Iceland's intertidal area and tides can be six metres. The

bedrock In geology, bedrock is solid rock that lies under loose material ( regolith) within the crust of Earth or another terrestrial planet. Definition Bedrock is the solid rock that underlies looser surface material. An exposed portion of be ...

was formed during

rift In geology, a rift is a linear zone where the lithosphere is being pulled apart and is an example of extensional tectonics. Typical rift features are a central linear downfaulted depression, called a graben, or more commonly a half-grabe ...

volcanism in the late

Tertiary Tertiary ( ) is a widely used but obsolete term for the geologic period from 66 million to 2.6 million years ago. The period began with the demise of the non-avian dinosaurs in the Cretaceous–Paleogene extinction event, at the start ...

. The area consists mainly of

basaltic Basalt (; ) is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron ( mafic lava) exposed at or very near the surface of a rocky planet or moon. More than ...

lava Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or ...

that was deeply eroded by glaciers during the

quaternary age The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.58 million ye ...

, creating a diverse landscape. There are several geothermal sites, some visible only at

low tide Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Tide tables c ...

Plants and animals

The big intertidal zone is high in

biodiversity Biodiversity or biological diversity is the variety and variability of life on Earth. Biodiversity is a measure of variation at the genetic ('' genetic variability''), species ('' species diversity''), and ecosystem ('' ecosystem diversity'') ...

and productivity and has extensive

algal Algae (; singular alga ) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from unicellular micr ...

forests and other important

habitats In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

for

fish Fish are Aquatic animal, aquatic, craniate, gill-bearing animals that lack Limb (anatomy), limbs with Digit (anatomy), digits. Included in this definition are the living hagfish, lampreys, and Chondrichthyes, cartilaginous and bony fish as we ...

and

invertebrates Invertebrates are a paraphyletic group of animals that neither possess nor develop a vertebral column (commonly known as a ''backbone'' or ''spine''), derived from the notochord. This is a grouping including all animals apart from the chordat ...

. The area supports 230 species of

vascular plants Vascular plants (), also called tracheophytes () or collectively Tracheophyta (), form a large group of land plants ( accepted known species) that have lignified tissues (the xylem) for conducting water and minerals throughout the plant. They ...

and around 50 breeding bird species including

common shag The European shag or common shag (''Gulosus aristotelis'') is a species of cormorant. It is the only member of the monotypic genus ''Gulosus''. It breeds around the rocky coasts of western and southern Europe, southwest Asia and north Africa, mai ...

glaucous gull The glaucous gull (''Larus hyperboreus'') is a large gull, the second-largest gull in the world. It breeds in Arctic regions of the Northern Hemisphere and winters south to shores of the Holarctic. The genus name is from Latin ''larus'', which a ...

white-tailed eagle The white-tailed eagle (''Haliaeetus albicilla'') is a very large species of sea eagle widely distributed across temperate Eurasia. Like all eagles, it is a member of the family Accipitridae (or accipitrids) which includes other diurnal raptors ...

common eider The common eider (pronounced ) (''Somateria mollissima''), also called St. Cuthbert's duck or Cuddy's duck, is a large ( in body length) sea-duck that is distributed over the northern coasts of Europe, North America and eastern Siberia. It breed ...

black guillemot The black guillemot or tystie (''Cepphus grylle'') is a medium-sized seabird of the Alcidae family, native throughout northern Atlantic coasts and eastern North American coasts. It is resident in much of its range, but large populations from the ...

and grey phalarope. The area is important

staging area A staging area (otherwise staging point, staging base, or staging post) is a location in which organisms, people, vehicles, equipment, or material are assembled before use. It may refer to: * In construction, a designated area in which vehicles, ...

for

brent goose The brant or brent goose (''Branta bernicla'') is a small goose of the genus ''Branta''. There are three subspecies, all of which winter along temperate-zone sea-coasts and breed on the high-Arctic tundra. The Brent oilfield was named after t ...

and

red knot The red knot or just knot (''Calidris canutus'') is a medium-sized shorebird which breeds in tundra and the Arctic Cordillera in the far north of Canada, Europe, and Russia. It is a large member of the '' Calidris'' sandpipers, second only to the ...

. The

common seal The harbor (or harbour) seal (''Phoca vitulina''), also known as the common seal, is a true seal found along temperate and Arctic marine coastlines of the Northern Hemisphere. The most widely distributed species of pinniped (walruses, eared se ...

and the

grey seal The grey seal (''Halichoerus grypus'') is found on both shores of the North Atlantic Ocean. In Latin Halichoerus grypus means "hook-nosed sea pig". It is a large seal of the family Phocidae, which are commonly referred to as "true seals" o ...

have their main haul-out on the islands and skerries. Several species of

cetaceans Cetacea (; , ) is an infraorder of aquatic mammals that includes whales, dolphins, and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively carnivorous diet. They propel th ...

are commonly found including

common porpoise The harbour porpoise (''Phocoena phocoena'') is one of eight extant species of porpoise. It is one of the smallest species of cetacean. As its name implies, it stays close to coastal areas or river estuaries, and as such, is the most familiar ...

white-beaked dolphin The white-beaked dolphin (''Lagenorhynchus albirostris'') is a marine mammal belonging to the family Delphinidae (oceanic dolphins) in the suborder Odontoceti (toothed whales). Taxonomy The species was first described by the British taxonomist ...

killer whale The orca or killer whale (''Orcinus orca'') is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. It is the only extant species in the genus ''Orcinus'' and is recognizable by its black-and-white pat ...

and

minke whale The minke whale (), or lesser rorqual, is a species complex of baleen whale. The two species of minke whale are the common (or northern) minke whale and the Antarctic (or southern) minke whale. The minke whale was first described by the Danish na ...

Islands

Elliðaey (Breiðafjörður) Iceland M74A1908

The islands in Breiðafjörður have an unbroken history of human use, but now only Flatey is inhabited year-round. Many islands are used for summer residences and for harvesting of natural resources such as eiderdown. Some of the islands are: * Flatey * Brokey * Skáleyjar * Hvallátur * Svefneyjar * Sviðnur * Hergilsey *

Elliðaey Elliðaey (; or Ellirey ) is a small island south of Iceland. It is the most northeastern of the Vestmannaeyjar (Westman Islands), an archipelago consisting of 15 to 18 islands and assorted smaller rocks. Geography The island has a size of , m ...

Economy and Ecology

Fisheries Fishery can mean either the enterprise of raising or harvesting fish and other aquatic life; or more commonly, the site where such enterprise takes place ( a.k.a. fishing ground). Commercial fisheries include wild fisheries and fish farms, ...

tourism Tourism is travel for pleasure or business; also the theory and practice of touring (disambiguation), touring, the business of attracting, accommodating, and entertaining tourists, and the business of operating tour (disambiguation), tours. Th ...

and algal harvesting are other major uses of the area. South of Reykhólar, on a small island offshore, Norður & Co. manufactures

sea salt Sea salt is salt that is produced by the evaporation of seawater. It is used as a seasoning in foods, cooking, cosmetics and for preserving food. It is also called bay salt, solar salt, or simply salt. Like mined rock salt, production of sea sa ...

obtained by evaporation of seawater using

geothermal energy Geothermal energy is the thermal energy in the Earth's crust which originates from the formation of the planet and from radioactive decay of materials in currently uncertain but possibly roughly equal proportions. The high temperature and pr ...

. The process was first used in this region in 1753 and was chosen by Soren Røsenkilde when he established Norður in 2012. Breiðafjörður is the

spawning ground Spawn is the eggs and sperm released or deposited into water by aquatic animals. As a verb, ''to spawn'' refers to the process of releasing the eggs and sperm, and the act of both sexes is called spawning. Most aquatic animals, except for aquati ...

for some of Iceland's most important economic fish species.

Transport

From the little port of Stykkishólmur on the Snæfellsnes peninsula, a ferry crosses Breiðafjörður to Brjánslækur in the Westfjords, stopping at the island of Flatey on the way. It is also possible to circle around Breiðafjörður overland, by car. If the weather is fine, it is possible to see the coast line of the Westfjords from the Snæfellsnes peninsula, at a distance of up to 40 km.

Culture and history

During the

Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire ...

, especially in the 12th century, there was a

monastery A monastery is a building or complex of buildings comprising the domestic quarters and workplaces of monastics, monks or nuns, whether living in communities or alone (hermits). A monastery generally includes a place reserved for prayer whic ...

Augustine Augustine of Hippo ( , ; la, Aurelius Augustinus Hipponensis; 13 November 354 – 28 August 430), also known as Saint Augustine, was a theologian and philosopher of Berber origin and the bishop of Hippo Regius in Numidia, Roman North Afr ...

monk A monk (, from el, μοναχός, ''monachos'', "single, solitary" via Latin ) is a person who practices religious asceticism by monastic living, either alone or with any number of other monks. A monk may be a person who decides to dedic ...

s on the island of Flatey which formed an important centre of Icelandic culture. The most extensive medieval manuscript, the ''

Flateyjarbók ''Flateyjarbók'' (; "Book of Flatey") is an important medieval Icelandic manuscript. It is also known as GkS 1005 fol. and by the Latin name ''Codex Flateyensis''. It was commissioned by Jón Hákonarson and produced by the priests and scribes ...

'' was written there. Afterwards, the island was an important trading post and also home to a printing press.

External links

Marine Protected areas p.28
{{DEFAULTSORT:Breidafjordur Fjords of Iceland Western Region (Iceland)