Lake Büyükçekmece ( tr, Büyükçekmece Gölü) is a liman formed at the point where the river Karasudere flows into the Marmara Sea. The lake is located south of the

Çatalca Çatalca (Metrae; ) is a city and a rural district in Istanbul, Turkey. It is the largest district in Istanbul by area. It is in East Thrace, on the ridge between the Marmara and the Black Sea. Most people living in Çatalca are either farmers or ...

district, west of

Istanbul Istanbul ( , ; tr, İstanbul ), formerly known as Constantinople ( grc-gre, Κωνσταντινούπολις; la, Constantinopolis), is the List of largest cities and towns in Turkey, largest city in Turkey, serving as the country's economic, ...

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...

. It is used as a freshwater reservoir. The lake's

bar Bar or BAR may refer to: Food and drink * Bar (establishment), selling alcoholic beverages * Candy bar * Chocolate bar Science and technology * Bar (river morphology), a deposit of sediment * Bar (tropical cyclone), a layer of cloud * Bar (u ...

was reinforced in 1988 by a

dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, a ...

. The area of the lake is , and is long and wide. The maximum depth is , following deepening carried out by the State Hydraulic Works. The

fluvial In geography and geology, fluvial processes are associated with rivers and streams and the deposits and landforms created by them. When the stream or rivers are associated with glaciers, ice sheets, or ice caps, the term glaciofluvial or fluviog ...

lake developed as the flow of Karasudere, and as it came downwards from Çatalca it was blocked off and formed by the resulting sandbank it created. A reedy, brackish salt-water lake exists between the Büyükçekmece Dam and the Marmara Sea. Another lagoon,

Lake Küçükçekmece Lake Küçükçekmece ( tr, Küçükçekmece Gölü) is a lagoon located between the Küçükçekmece, Esenyurt and Avcılar districts of the European portion of Istanbul Province, northwestern Turkey. The lake is neighbored in the south by stat ...

, is located around east of Lake Büyükçekmece. The number of fish species observed in the lake has decreased from 30 in the past to 15 currently. A historic long and wide multiple arch

bridge A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually somethi ...

, named after the Ottoman architect

Mimar Sinan Mimar Sinan ( ota, معمار سينان, translit=Mi'mâr Sinân, , ) ( 1488–1490 – 17 July 1588) also known as Koca Mi'mâr Sinân Âğâ, ("Sinan Agha (title), Agha the Grand Architect" or "Grand Sinan") was the chief Ottoman Empir ...

(1489-1588), spans the narrow opening at the bar connecting the lake to the sea. At the northern shore of the lake,

Istanbul Hezarfen Airfield Hezarfen Airfield ( tr, Hezarfen Havaalanı) is a privately owned airport for general aviation in the Çatalca district of Istanbul, Turkey. One of the four airports in Istanbul, it is named after Hezârfen Ahmet Çelebi, a legendary Ottoman ...

is situated on a peninsula.

Biology and status

The lake, which is not protected, was declared by

BirdLife International BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding ...

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 ...

in 1989 for its numerous distinct and threatened

waterfowl Anseriformes is an order of birds also known as waterfowl that comprises about 180 living species of birds in three families: Anhimidae (three species of screamers), Anseranatidae (the magpie goose), and Anatidae, the largest family, which in ...

species.

References

Lagoons of Turkey Geography of Istanbul Marmara Region Büyükçekmece Important Bird Areas of Turkey Landforms of Istanbul Province {{Istanbul-geo-stub

Biology and status

See also

References