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Location Turkey, Kocaeli,Sakarya
Central coordinates 30o 14.00' East  40o 43.00' North
IBA criteria A1, A4ii, A4iii, B1i
Area 7,091 ha
Altitude 31 m
Year of IBA assessment 2004

Doga Dernegi (Partner Designate)

Site description A freshwater lake (max. depth 61 m) formerly connected to the Sea of Marmara and fed by the Sakarya river. Arable land, fruit orchards and extensive Populus plantations surround the lake. Narrow reedbeds (Phragmites) fringe most of its shores; only at the eastern end does substantial marsh vegetation occur. Lake water is abstracted for industrial use.

Key Biodiversity The site is important for wintering wildfowl.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Red-crested Pochard Netta rufina winter  1995  578-1,002 individuals  A4ii, B1i  Least Concern 
Common Pochard Aythya ferina winter  1995  10,400 individuals  B1i  Vulnerable 
Pygmy Cormorant Microcarbo pygmaeus winter  1999  72 individuals  A1  Least Concern 
Common Coot Fulica atra winter  27,340-30,700 individuals  B1i  Least Concern 
A4iii Species group - waterbirds winter  40,357-48,267 individuals  A4iii   

IBA Monitoring

2013 not assessed very unfavourable not assessed
Medium - based upon reliable but incomplete / partially representative data

Netta rufina Red-crested Pochard 1002 102 adults only 11 very unfavourable
Aythya ferina Common Pochard 14392 2985 adults only 21 very unfavourable
Microcarbo pygmaeus Pygmy Cormorant 72 18 adults only 25 very unfavourable
Fulica atra Common Coot 30700 7710 adults only 26 very unfavourable

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Sapanca Golu SIT (Law on Protection of Cultural and Natural Assets No. 2863) 4,700 protected area contained by site 4,700  
Sapanca 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  59%
Forest   41%

Land use

Land-use Extent (% of site)
water management 100%
fisheries/aquaculture 25%
urban/industrial/transport 100%

Protection status National High International None4,700 ha of IBA covered by Drinking Water Reservoir (Sapanca Gölü, 4,700 ha). 4,700 ha of IBA covered by SÝT (Sapanca Gölü, 4,700 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Sapanca Lake. Downloaded from on 15/02/2016

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