Ludaš or Ludoš Lake (
Serbian: Ludaško / Ludoško jezero;
Hungarian: Ludas or Ludasi-tó) is a shallow lake in the province of
Vojvodina
Vojvodina ( sr-Cyrl, Војводина}), officially the Autonomous Province of Vojvodina, is an autonomous province that occupies the northernmost part of Serbia. It lies within the Pannonian Basin, bordered to the south by the national capital ...
in northern
Serbia
Serbia (, ; Serbian: , , ), officially the Republic of Serbia (Serbian: , , ), is a landlocked country in Southeastern and Central Europe, situated at the crossroads of the Pannonian Basin and the Balkans. It shares land borders with Hung ...
, near the city of
Subotica
Subotica ( sr-cyrl, Суботица, ; hu, Szabadka) is a city and the administrative center of the North Bačka District in the autonomous province of Vojvodina, Serbia. Formerly the largest city of Vojvodina region, contemporary Subotica is ...
. It is a
special natural preserve and, since 1977, designated as a
swamp area of international significance by 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 W ...
. The name of the lake stems from Hungarian "ludas", meaning
goose
A goose (plural, : geese) is a bird of any of several waterfowl species in the family (biology), family Anatidae. This group comprises the genera ''Anser (bird), Anser'' (the grey geese and white geese) and ''Branta'' (the black geese). Some o ...
.
Geography
The lake is located 12 kilometers southeast of Subotica, 10 km away from the
E75 motorway, near the villages of
Šupljak
Šupljak ( sr-cyr, Шупљак, hu, Ludas) is a village in Serbia. It is situated in the Subotica municipality, in the North Bačka District, Vojvodina province. The village has a Hungarian ethnic majority and its population numbering 1,310 p ...
and
Hajdukovo. About 4.5 km long, it stretches in north–south direction. It lies on the sandy terrain between
Danube
The Danube ( ; ) is a river that was once a long-standing frontier of the Roman Empire and today connects 10 European countries, running through their territories or being a border. Originating in Germany, the Danube flows southeast for , ...
and
Tisza
The Tisza, Tysa or Tisa, is one of the major rivers of Central and Eastern Europe
Eastern Europe is a subregion of the European continent. As a largely ambiguous term, it has a wide range of geopolitical, geographical, ethnic, cultural, and ...
rivers, at the borderline of
Bačka
Bačka ( sr-cyrl, Бачка, ) or Bácska () is a geographical and historical area within the Pannonian Plain bordered by the river Danube to the west and south, and by the river Tisza to the east. It is divided between Serbia and Hungar ...
loessial plateau. Its northern part is wider and
swampy, while the southern part is embedded into loess, with shores 3–4 m high. The bottom of the lake is made of watertight layer of white
clay
Clay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2 Si2 O5( OH)4).
Clays develop plasticity when wet, due to a molecular film of water surrounding the clay part ...
, covered with mud. The water is shallow, with the average depth of just 1 m and reaching the maximum depth of 2.25 m. The lake freezes up to three months a year, and in the summer its temperature can reach as high as .
The lake is of
aeolian
Aeolian commonly refers to things related to either of two Greek mythological figures:
* Aeolus (son of Hippotes), ruler of the winds
* Aeolus (son of Hellen), son of Hellen and eponym of the Aeolians
* Aeolians, an ancient Greek tribe thought to ...
origin, and its bed was formed approximately 1 million years ago, as winds emptied the sand dunes along the clay plateau. Before the water regulation system in the area was introduced, it used to be a swamp, supplied by natural precipitation and several small water streams, while a branch of the
Kereš River takes the extraneous water away into Tisza. Today, it also receives water influx from the Palić-Ludaš and Bega canals.
Biodiversity
left, ">Ferruginous duck
The lake and its surrounding are home to diverse
habitat
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 ...
s (aquatic, swamp,
meadow
A meadow ( ) is an open habitat, or field, vegetated by grasses, herbs, and other non- woody plants. Trees or shrubs may sparsely populate meadows, as long as these areas maintain an open character. Meadows may be naturally occurring or artif ...
and
steppe
In physical geography, a steppe () is an ecoregion characterized by grassland plains without trees apart from those near rivers and lakes.
Steppe biomes may include:
* the montane grasslands and shrublands biome
* the temperate grasslan ...
), with a number of plant and animal species. Protected lax-flowered orchid (''
Orchis laxiflora'') is abundant on the meadow lowland terrain around the lake. Several other rare plants found their shelter here, such as: milk-vetch (''
Astragalus exscapus''), wind flower (''
Pulsatilla pratensis''), sage (''
Salvia austriaca''), herbaceous periwinkle (''
Vinca herbacea
''Vinca herbacea'', with common name herbaceous periwinkle, is a flowering plant native to eastern and southeastern Europe, from Austria south to Greece, and east to the Crimea, and also in northern Western Asia, in the Caucasus and Alborz mounta ...
''), golden ragwort (''
Senecio doria'').
There are 214 recorded species of
bird
Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweig ...
s, 140 of them being protected as natural rarities. Most of the species are
migratory. Richness of birds is one of the primary reasons for the environmental protection of the lake's area.
Bearded reedling
The bearded reedling (''Panurus biarmicus'') is a small, sexually dimorphic reed-bed passerine bird. It is frequently known as the bearded tit, due to some similarities to the long-tailed tit, or the bearded parrotbill. It is the only species in ...
is the most outstanding characteristic bird, while
white-headed duck
The white-headed duck (''Oxyura leucocephala'') is a small diving duck some long. The male has a white head with black crown, a blue bill, and reddish-grey plumage. The female has a dark bill and rather duller colouring. Its breeding habitat is ...
,
ferruginous duck
The ferruginous duck (''Aythya nyroca''), also known as ferruginous pochard, common white-eye or white-eyed pochard, is a medium-sized diving duck from Eurosiberia. The scientific name is derived from Greek '' aithuia'' an unidentified seabird ...
and
moustached warbler
The moustached warbler (''Acrocephalus melanopogon'') is an Old World warbler in the genus '' Acrocephalus''. It breeds in southern Europe and southern temperate Asia with a few breeding in north-west Africa. It is partially migratory. South-we ...
are just some listed on the
IUCN Red List
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biol ...
.
Land fauna is represented with some 20 species, of those, the
European otter
The Eurasian otter (''Lutra lutra''), also known as the European otter, Eurasian river otter, common otter, and Old World otter, is a semiaquatic mammal native to Eurasia. The most widely distributed member of the otter subfamily (Lutrinae) of ...
is a near-threatened species.
The first act of nature protection of the lake was passed in 1955, and in 1958 the area was designated as a strict nature reserve, covering an area of 6.33 square kilometres. In 1982, the area became an integral part of the "Palić-Ludaš" regional part, which was divided into two areas after building of the E-75 motorway in 1991. Efforts for the international protection status were first introduced in 1973, when the Executive Council of
Vojvodina
Vojvodina ( sr-Cyrl, Војводина}), officially the Autonomous Province of Vojvodina, is an autonomous province that occupies the northernmost part of Serbia. It lies within the Pannonian Basin, bordered to the south by the national capital ...
nominated the lake to the Ramsar Site List, and on March 28, 1977 it was included in the
list of Wetlands of International Importance
This is the list of Wetlands of International Importance as defined by the Ramsar Convention for the conservation and sustainable use of wetlands, recognizing the fundamental ecological functions of wetlands and their economic, cultural, scientif ...
. In 1989, the lake and its surroundings were designated as an
Important Bird Area
An Important Bird and Biodiversity Area (IBA) is an area identified using an internationally agreed set of criteria as being globally important for the conservation of bird populations.
IBA was developed and sites are identified by BirdLife Int ...
.
See also
*
List of lakes in Serbia
*
Palić Lake
Palić ( sr-Cyrl, Палић; hu, Palics; german: Palitsch) is a town located in the city of Subotica, North Bačka District, autonomous province of Vojvodina, Serbia. It is also located from the border between Serbia and Hungary. The town ...
*
Kapetanski rit
References
*
*
*
External links
*https://web.archive.org/web/20090309174515/http://www.ludas.rs/
{{DEFAULTSORT:Ludas Lake
Lakes of Serbia
Ramsar sites in Serbia
Important Bird Areas of Serbia
Nature reserves in Serbia