Lake Neusiedl
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Lake Neusiedl (, ; or ; ; ; ), or Fertő (), is the largest
endorheic lake An endorheic lake (also called a sink lake or terminal lake) is a collection of water within an endorheic basin, or sink, with no evident outlet. Endorheic lakes are generally Saline water, saline as a result of being unable to get rid of solutes ...
in
Central Europe Central Europe is a geographical region of Europe between Eastern Europe, Eastern, Southern Europe, Southern, Western Europe, Western and Northern Europe, Northern Europe. Central Europe is known for its cultural diversity; however, countries in ...
, straddling the
Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...
n– Hungarian border. The lake covers , of which is on the Austrian side and on the Hungarian side. The lake's
drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...
has an area of about . From north to south, the lake is about long, and it is between and wide from east to west. On average, the lake's surface is above the
Adriatic Sea The Adriatic Sea () is a body of water separating the Italian Peninsula from the Balkans, Balkan Peninsula. The Adriatic is the northernmost arm of the Mediterranean Sea, extending from the Strait of Otranto (where it connects to the Ionian Se ...
and the lake is no more than deep. The landscape surrounding the lake has been occupied since about 6000 BC, and the towns and villages around the lake have been significant trading centers and meeting points for different cultures for centuries. Because of its cultural importance and the rural architecture of the villages around it, Lake Neusiedl and the surrounding area was inscribed on the
UNESCO The United Nations Educational, Scientific and Cultural Organization (UNESCO ) is a List of specialized agencies of the United Nations, specialized agency of the United Nations (UN) with the aim of promoting world peace and International secur ...
World Heritage List World Heritage Sites are landmarks and areas with legal protection under an international treaty administered by UNESCO for having cultural, historical, or scientific significance. The sites are judged to contain "cultural and natural heritag ...
in 2001.


Water level fluctuations

In the past, rainfall and aridity caused significant floods (which in 1768 enlarged the lake to its maximum documented size of ) and significant decreases in the lake's level, although frequently there seemed to be no apparent connection between the size of the lake's surface area and the weather situation. Stratigraphy shows that the lake bed has totally dried up at least 100 times since its formation (18,000–14,000 BC). During recent history the lake's complete disappearance has been documented in considerable detail on several occasions, e.g. in 1740–1742, 1811–1813, and most recently in 1866, when the private diary of a local, Gottlieb Wenzel, noted that he crossed the bed of the lake on 4 June without soiling his boots. Parts of the lake bed were claimed for agriculture; wheat and turnips were being planted. However, in 1871 the lake began to return and by the spring of 1876 it had already reassumed its usual size. The last (brief and partial) vanishing took place during the summer of 1949 when the northern part of the lake bed (to the approximate latitude of Podersdorf) fell dry for a few weeks. Each time the drying-up of the lake bed caused major environmental disruptions because the humidifying and temperature buffering effect of the large water body was absent, and because the winds blew large amounts of salty dust into the surrounding villages. On earlier occasions the lake was sometimes referred to as a "swamp", suggesting a very low water level with an expansion of reeds throughout the lake bed. Two records dated to 1318 and 1324, respectively mention a "river", implying that at this time the lake might have been reduced to a central body of water running from north to south. Today the water level is controlled by an artificial outflow, the , and a sluice on Hungarian territory near Fertőújlak, and bilateral issues are dealt with by the Austro-Hungarian water commission which was established in 1956. However, comparatively minor fluctuations of the lake's level continue to occur. In 1965 the lake gained of water within a single month, raising its level by . The water level decreased to a similar extent, by within one year as a result of the drought of 2003. Both types of events are perfectly within the normal range, and because of the shallowness of the water can be either exacerbated or compensated by the effects of wind pressure, which can temporarily raise or reduce the local water level by as much as . However, the lake remains sensitive to changes in its equilibrium, as recent
climate change scenario A climate change scenario is a hypothetical future based on a "set of key driving forces".IPCC, 2022Annex I: Glossary an Diemen, R., J.B.R. Matthews, V. Möller, J.S. Fuglestvedt, V. Masson-Delmotte, C.  Méndez, A. Reisinger, S. Semenov (eds) In ...
simulations have shown. Before the regulation works of the 19th century, the lake extended in the southeast to the marshlands of the Hanság () which have been increasingly drained and claimed for agriculture from the 16th century onward. Originally, the lake was thus closely connected to the
Danube The Danube ( ; see also #Names and etymology, other names) is the List of rivers of Europe#Longest rivers, second-longest river in Europe, after the Volga in Russia. It flows through Central and Southeastern Europe, from the Black Forest sou ...
and the Rába river systems.


Nature and wildlife

Most of the lake is surrounded by reeds which serve as a habitat for wildlife (making the lake an important resting place for migratory birds) and are harvested in winter as soon as the ice is solid enough. This serves a double purpose, one ecological (removal of the bulk of organic matter that would otherwise decay in the lake) and one economic (the reed is sold for various purposes, mostly related to construction and housing). During the summer months, there are occasional reed fires, as dry reed is easily flammable, and fires spread quickly because of the almost constant wind. Water quality is determined by temperature, wind, and by the amount of
salt In common usage, salt is a mineral composed primarily of sodium chloride (NaCl). When used in food, especially in granulated form, it is more formally called table salt. In the form of a natural crystalline mineral, salt is also known as r ...
and
mud Mud (, or Middle Dutch) is loam, silt or clay mixed with water. Mud is usually formed after rainfall or near water sources. Ancient mud deposits hardened over geological time to form sedimentary rock such as shale or mudstone (generally cal ...
emanating with the ground water from the
sediments Sediment is a solid material that is transported to a new location where it is deposited. It occurs naturally and, through the processes of weathering and erosion, is broken down and subsequently sediment transport, transported by the action of ...
. Several plans for dams and other intrusive construction works which would have destroyed the lake and its biotopes were discussed during the first half of the 20th century but came to nothing. Detailed plans to divide the lake bed with earthworks so that certain parts with reasonably fertile soil could be permanently drained and claimed for agriculture while the remaining parts would be used for intensive aquaculture had been finalized and approved in 1918 but were abandoned when most of the lake became Austrian territory after World War I. In 1971 plans for a bridge across the Austrian part of the lake were thwarted by environmentalists. In 1993 the National Park Neusiedler See-Seewinkel gained international acceptance as an IUCN Category II preserve. In 2001 the
national park A national park is a nature park designated for conservation (ethic), conservation purposes because of unparalleled national natural, historic, or cultural significance. It is an area of natural, semi-natural, or developed land that is protecte ...
s in Austria and Fertő-Hanság in Hungary were together accepted as a
World Heritage Site World Heritage Sites are landmarks and areas with legal protection under an treaty, international treaty administered by UNESCO for having cultural, historical, or scientific significance. The sites are judged to contain "cultural and natural ...
. Lake Neusiedl See and its surrounding areas in Austria also enjoy protection through the
Ramsar Convention The Ramsar Convention on Wetlands of International Importance Especially as Waterfowl Habitat is an international treaty for the conservation and sustainable use of Ramsar site, Ramsar sites (wetlands). It is also known as the Convention on We ...
on Wetlands.


Mammals

Over 40 mammal species have been recorded from the area, including the
European ground squirrel The European ground squirrel (''Spermophilus citellus''), also known as the European souslik, is a species from the squirrel family, Sciuridae. It is among the few European species in the genus ''Spermophilus''. Like all squirrels, it is a membe ...
, the steppe polecat and the European hamster.


Birds

In the area over 300 bird species have been recorded with the earliest studies made by the Hungarian naturalist István Fászl. Of these, around 150 breed, representing around 40% of the European and 80% of all Austrian bird species. The area contains one of the largest breeding populations of
great egret The great egret (''Ardea alba''), also known as the common egret, large egret, great white egret, or great white heron, is a large, widely distributed egret. The four subspecies are found in Asia, Africa, the Americas, and southern Europe. R ...
s, with up to 700 pairs. There are also around 35 pairs of grey heron and 70 pairs of
great bustard The great bustard (''Otis tarda'') is a bird in the bustard family, and the only living member of the genus ''Otis (bird), Otis''. It breeds in open grasslands and farmland from northern Morocco, South Europe, South and Central Europe to temperat ...
. One of the best known bird species in the area is the
white stork The white stork (''Ciconia ciconia'') is a large bird in the stork family, Ciconiidae. Its plumage is mainly white, with black on the bird's wings. Adults have long red legs and long pointed red beaks, and measure on average from beak tip to en ...
, which is seen as a symbol of the region. Other species present include
Eurasian spoonbill The Eurasian spoonbill (''Platalea leucorodia''), or common spoonbill, is a wading bird of the ibis and spoonbill family Threskiornithidae, native to Europe, Africa and Asia. The species is partially migratory with the more northerly breeding popu ...
, purple heron, eastern imperial eagle, white-tailed eagle,
greylag goose The greylag goose (''Anser anser'') is a species of large goose in the waterfowl family Anatidae and the type species of the genus ''Anser (bird), Anser''. It has mottled and barred grey and white plumage and an orange beak and pink legs. A lar ...
, golden oriole, European bee-eater, pied avocet,
ruff Ruff may refer to: Places *Ruff, Virginia, United States, an unincorporated community *Ruff, Washington, United States, an unincorporated community Other uses *Ruff (bird) (''Calidris pugnax'' or ''Philomachus pugnax''), a bird in the wader famil ...
, Kentish plover,
common tern The common tern (''Sterna hirundo'') is a seabird in the family Laridae. This bird has a circumpolar distribution, its four subspecies breeding in Temperateness, temperate and subarctic regions of Europe, Asia and North America. It is stron ...
,
common redshank The common redshank or simply redshank (''Tringa totanus'') is a Eurasian wader in the large family Scolopacidae. Taxonomy The common redshank was formally described by the Swedish naturalist Carl Linnaeus in 1758 in the tenth edition of hi ...
, black-tailed godwit, Eurasian curlew, western yellow wagtail,
short-eared owl The short-eared owl (''Asio flammeus'') is a widespread grassland species in the family Strigidae. Owls belonging to genus ''Asio'' are known as the eared owls, as they have tufts of feathers resembling mammalian ears. These "ear" tufts may or ...
, Montagu's harrier and many others which are of interest to local and visiting birdwatchers.


Fish

Native fish species include the pike,
zander The zander (''Sander lucioperca''), sander or pikeperch, is a species of ray-finned fish from the Family (biology), family Percidae, which also includes perch, Gymnocephalus, ruffe and Darter (fish), darter. It is found in freshwater and brackis ...
, European carp and wels catfish, alongside numerous minnows, such as
stickleback The sticklebacks are a family of ray-finned fishes, the Gasterosteidae which have a Holarctic distribution in fresh, brackish and marine waters. They were thought to be related to the pipefish and seahorses but are now thought to be more close ...
, common bleak, white bream,
common bream The common bream (''Abramis brama''), also known as the freshwater bream, bream, bronze bream, carp bream or sweaty bream, is a European species of freshwater fish in the family Leuciscidae. It is now considered to be the monotypic, only speci ...
and ruffe. The European eel is not native to the lake, but was introduced as a food source for humans. Due to environmental concerns, further releases of young eels has been recently banned. The Prussian carp has also been introduced to the lake, alongside the
pumpkinseed The pumpkinseed (''Lepomis gibbosus''), also referred to as sun perch, pond perch, common sunfish, punkie, sunfish, sunny, and kivver, is a small to medium–sized freshwater fish of the genus ''Lepomis'' (true sunfishes), from the sunfish fami ...
.


Amphibians

The European tree frog is a common species in the area. Other amphibians that can be found, especially in the reed belt and the lakeside edge, include
common toad The common toad, European toad, or in Anglophone parts of Europe, simply the toad (''Bufo bufo'', from Latin ''bufo'' "toad"), is a toad found throughout most of Europe (with the exception of Ireland, Iceland, parts of Scandinavia, and some List ...
, European green toad, common spadefoot, moor frog, agile frog, pool frog, marsh frog, edible frog and the European fire-bellied toad. Danube crested newt and
smooth newt The smooth newt, European newt, northern smooth newt or common newt (''Lissotriton vulgaris'') is a species of newt. It is widespread in Europe and parts of Asia, and has been introduced species, introduced into Australia. Individuals are brown ...
are also present.


Reptiles

Reptiles are represented by the
grass snake The grass snake (''Natrix natrix''), sometimes called the ringed snake or water snake, is a Eurasian semi-aquatic non- venomous colubrid snake. It is often found near water and feeds almost exclusively on amphibians. Subspecies Many subspecie ...
and a number of lizard species including the European green lizard,
sand lizard #REDIRECT Sand lizard {{redirect category shell, {{R from alternative capitalisation{{R from move ...
and the common lizard. Occasionally, dice snakes may be seen, but the meadow viper, which was previously identified around the lake, has not been seen since 1973.


Towns and villages around the lake

Traces of human settlement around Lake Neusiedl go back to the
Neolithic The Neolithic or New Stone Age (from Ancient Greek, Greek 'new' and 'stone') is an archaeological period, the final division of the Stone Age in Mesopotamia, Asia, Europe and Africa (c. 10,000 BCE to c. 2,000 BCE). It saw the Neolithic Revo ...
period. The area became densely populated from the 7th century BC onward, initially by people of the
Hallstatt culture The Hallstatt culture was the predominant Western Europe, Western and Central European archaeological culture of the Late Bronze Age Europe, Bronze Age (Hallstatt A, Hallstatt B) from the 12th to 8th centuries BC and Early Iron Age Europe (Hallst ...
and remained so throughout Roman times. In 454
Theodoric the Great Theodoric (or Theoderic) the Great (454 – 30 August 526), also called Theodoric the Amal, was king of the Ostrogoths (475–526), and ruler of the independent Ostrogothic Kingdom of Italy between 493 and 526, regent of the Visigoths (511–526 ...
, the preeminent king of the
Ostrogoths The Ostrogoths () were a Roman-era Germanic peoples, Germanic people. In the 5th century, they followed the Visigoths in creating one of the two great Goths, Gothic kingdoms within the Western Roman Empire, drawing upon the large Gothic populatio ...
, was born here. Near Fertőrákos there are two Roman villas and a 3rd-century
Mithras Mithraism, also known as the Mithraic mysteries or the Cult of Mithras, was a Roman Empire, Roman mystery religion focused on the god Mithras. Although inspired by Iranian peoples, Iranian worship of the Zoroastrian divinity (''yazata'') Mit ...
temple open to visitors. The more important extant towns lying on the lake's shore are Illmitz (Illmic), Podersdorf am See (Pátfalu), Weiden (Védeny),
Neusiedl am See Neusiedl am See (; ; ; ; ) is a town in Burgenland, Austria, and administrative center of the district of Neusiedl am See. Neusiedl am See is located on the northern shore of Lake Neusiedl. Geography Neusiedl am See is located in eastern Au ...
(Nezsider), Jois (Nyulas), Winden (Sásony), Breitenbrunn (Fertőszéleskút), Purbach am Neusiedlersee (Feketeváros), Donnerskirchen (Fertőfehéregyháza), Oggau (Oka),
Rust Rust is an iron oxide, a usually reddish-brown oxide formed by the reaction of iron and oxygen in the catalytic presence of water or air moisture. Rust consists of hydrous iron(III) oxides (Fe2O3·nH2O) and iron(III) oxide-hydroxide (FeO(OH) ...
(Ruszt) and Mörbisch (Fertőmeggyes) in Austria, and
Sopron Sopron (; , ) is a city in Hungary on the Austrian border, near Lake Neusiedl/Lake Fertő. History Ancient times-13th century In the Iron Age a hilltop settlement with a burial ground existed in the neighbourhood of Sopron-Várhely. When ...
, Fertőrákos, Fertőboz, Fertőd, Balf and Fertőújlak in Hungary, with the communities of Illmitz, Apetlon (Mosonbánfalva) and Podersdorf am See forming the so-called Seewinkel (lake corner), which is located between the lake and the Hungarian border. Hungarian names of Austrian towns lying on the lake's shore are given in parentheses.


Gallery

File:Podersdorf nordstrand abendstimmung 1.jpg, Podersdorf am See /
Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...
File:Donnerskirchen.jpg, Donnerskirchen / Austria File:Rust1.jpg,
White stork The white stork (''Ciconia ciconia'') is a large bird in the stork family, Ciconiidae. Its plumage is mainly white, with black on the bird's wings. Adults have long red legs and long pointed red beaks, and measure on average from beak tip to en ...
's nests typical of the region File:Basilika Frauenkirchen.JPG, Frauenkirchen / Austria File:Eisenstadt - Schloss Esterhazy.JPG,
Schloss Esterházy Schloss Esterházy () is a palace in Eisenstadt, Austria, the capital of the Burgenland state. It was constructed in the late 13th century, and came under ownership of the Hungarian Esterházy family in 1622. Under Paul I, 1st Prince Esterhá ...
/ Austria File:Neusiedler See -- Podersdorf.jpg, Lake Neusiedl at Podersdorf during sunset File:Fertőrákos Kroisbach Bischöflicher Steinbruch 01.JPG, Cave in Fertőrákos /
Hungary Hungary is a landlocked country in Central Europe. Spanning much of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia and ...
File:Fertőszéplak Tájházak.jpg, Fertőszéplak / Hungary File:Nagycenk kastély.jpg, Széchenyi Palace in Nagycenk / Hungary File:Sarród Felújított parasztházak.jpg, Sarród / Hungary File:Fertőd- (3).JPG, Esterházy Palace / Hungary File:Fertőrákos z03.jpg, Fertő tó


Tourism

Despite remaining a protected wildlife habitat, the region of Lake Neusiedl, particularly in its Austrian part, draws significant numbers of tourists. The lake is known as the "Sea of the Viennese", as it offers ample opportunities for
sailing Sailing employs the wind—acting on sails, wingsails or kites—to propel a craft on the surface of the ''water'' (sailing ship, sailboat, raft, Windsurfing, windsurfer, or Kitesurfing, kitesurfer), on ''ice'' (iceboat) or on ''land'' (Land sa ...
and
windsurfing Windsurfing is a wind-propelled water sport that is a combination of sailing and surfing. It is also referred to as "sailboarding" and "boardsailing", and emerged in the late 1960s from the Californian aerospace and surf culture. Windsurfing gain ...
at a reasonable distance from
Vienna Vienna ( ; ; ) is the capital city, capital, List of largest cities in Austria, most populous city, and one of Federal states of Austria, nine federal states of Austria. It is Austria's primate city, with just over two million inhabitants. ...
. There is also some
commercial Commercial may refer to: * (adjective for) commerce, a system of voluntary exchange of products and services ** (adjective for) trade, the trading of something of economic value such as goods, services, information or money * a dose of advertising ...
fishing Fishing is the activity of trying to catch fish. Fish are often caught as wildlife from the natural environment (Freshwater ecosystem, freshwater or Marine ecosystem, marine), but may also be caught from Fish stocking, stocked Body of water, ...
. Low water levels pose a problem for sailing and commercial shipping, as boats hit the ground more frequently and mooring sites can become temporarily unusable. However, it somewhat facilitates the annual freestyle mass crossing of the lake from Mörbisch to Illmitz. Everybody who can swim and is more than in height can participate in this event, which was revived in 2004.


See also

* Wulka * List of lakes * List of World Heritage Sites in Austria


References


External links

*
Lake Neusiedl at funiq.hu
* Explore th
Fertő / Neusiedlersee Cultural Landscape
in the UNESCO Collection on Google Arts and Culture {{Authority control Neusiedl World Heritage Sites in Austria World Heritage Sites in Hungary Ramsar sites in Hungary Ramsar sites in Austria Biosphere reserves of Austria Biosphere reserves of Hungary Neusiedl am See District Eisenstadt-Umgebung District Geography of Győr-Moson-Sopron County Sopron Austria–Hungary border Neusiedl Neusiedl Neusiedl Tourist attractions in Burgenland Lowest points of countries