Marmara Lake

IBA Justification

The site was identified as important in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
Ruddy Shelduck Tadorna ferruginea LC winter - 231-290 individuals B1i
Common Pochard Aythya ferina VU winter 1996 18,690-24,000 individuals A4i, B1i
Ferruginous Duck Aythya nyroca NT breeding 1989-1998 15-25 breeding pairs A1, B2
Eurasian Wigeon Mareca penelope LC winter 1990 8,500 individuals B1i
Common Coot Fulica atra LC winter - 14,500-18,500 individuals B1i
Common Little Bittern Ixobrychus minutus LC breeding - 40-80 breeding pairs B2
Squacco Heron Ardeola ralloides LC breeding 1989-1996 200 breeding pairs B2
Purple Heron Ardea purpurea LC breeding - 30 breeding pairs B2
Dalmatian Pelican Pelecanus crispus NT breeding - 10-15 breeding pairs A1, A4i, B1i, B2
Dalmatian Pelican Pelecanus crispus NT winter - 51-362 individuals A1, A4i, B1i
Pygmy Cormorant Microcarbo pygmaeus LC winter - 84-100 individuals A1
Great Cormorant Phalacrocorax carbo LC winter - 1,488-2,000 individuals B1i
Pied Avocet Recurvirostra avosetta LC winter 1992 1,402 individuals A4i, B1i
Spur-winged Lapwing Vanellus spinosus LC breeding 1989-1996 10 breeding pairs B2
Whiskered Tern Chlidonias hybrida LC breeding - 100-150 breeding pairs B2
A4iii Species group - waterbirds n/a winter - 24,473-45,278 individuals A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2004).

IBA Conservation

IBA conservation assessment
Year of assessment (most recent) State (condition) Pressure (threat) Response (action)
2016 near favourable medium low
Was the whole site assessed? State assessed by Accuracy of information
yes habitat medium

State (condition of the trigger species' habitats)
Habitat Habitat detail Reference area (ha) Actual area (ha) Habitat quantity (% remaining) Habitat quality (carrying capacity) Result
Wetlands (inland) Standing freshwater 0 0 good (> 90%) moderate (70-90%) near favourable

Pressure (threats to the trigger species and/or their habitats)
Threat level 1 Threat level 2 Timing Scope Severity Result
Agricultural expansion and intensification annual & perennial non-timber crops - agro-industry farming happening now some of area/population (10-49%) slow but significant deterioration medium
Biological resource use hunting & collecting terrestrial animals - motivation unknown/unrecorded happening now some of area/population (10-49%) slow but significant deterioration medium

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation Management planning Other conservation action Result
Whole area of site (>90%) covered by appropriate conservation designation No management planning has taken place Very little or no conservation action taking place low
For more information about IBA conservation status, please click here

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Gölmarmara Gölü Wetland of National Importance 24,893 protected area contained by site 0


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Wetlands (inland) Standing freshwater, Water fringe vegetation -
Forest -
Other -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
water management -
hunting -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Marmara Lake. Downloaded from on 27/09/2023.