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Location Turkey, Istanbul
Central coordinates 28o 43.00' East  41o 4.00' North
IBA criteria A1, A4i, A4iii, B1i
Area 11,690 ha
Altitude 0 - 200m
Year of IBA assessment 2004

Doga Dernegi (Partner Designate)



Site description A natural brackish lagoon (20 m deep) situated west of Ýstanbul on the Sea of Marmara. Fringe vegetation is confined to an area of reedbed (Phragmites) in the north of the lagoon. Unplanned buildings surround the site; the only relatively undisturbed area lies within the grounds of the nuclear energy research centre and military camp on the east shore. A motorway passes to the north.

Key Biodiversity The site holds significant numbers of wintering waterbirds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Pygmy Cormorant Microcarbo pygmaeus passage  1995  126-160 individuals  A1  Least Concern 
Great Cormorant Phalacrocorax carbo winter  1993  10,200 individuals  A4i, B1i  Least Concern 
A4iii Species group - waterbirds winter  21,177-21,273 individuals  A4iii   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Küçükçekmece Lake Wetlands of International Importance (Ramsar) 0 is identical to site 0  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Standing freshwater; Water fringe vegetation  100%

Land use

Land-use Extent (% of site)
fisheries/aquaculture 10%
not utilised 80%
hunting 10%

Protection status National None International None

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Küçükçekmece Basin. Downloaded from http://www.birdlife.org on 19/12/2014

To provide new information to update this factsheet or to correct any errors, please email BirdLife