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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.

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  


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

Related state of the world's birds case studies

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Küçükçekmece Basin. Downloaded from on 21/10/2014

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