Manyas Lake (Kuş Lake)

IBA Criteria

Year of most recent IBA criteria assessment: 2004

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
White-headed Duck Oxyura leucocephala EN winter 1995-1996 20-34 individuals A1
Eurasian Spoonbill Platalea leucorodia LC breeding 1989-1995 200 breeding pairs A4i, B1i, B2
Black-crowned Night-heron Nycticorax nycticorax LC breeding - 1,500 breeding pairs A4i, B1i, B2
Squacco Heron Ardeola ralloides LC breeding 1989-1996 100 breeding pairs B2
Dalmatian Pelican Pelecanus crispus NT winter 1992-1996 52-117 individuals A1, A4i, B1i
Dalmatian Pelican Pelecanus crispus NT breeding - 35-40 breeding pairs A1, A4i, B1i, B2
Great White Pelican Pelecanus onocrotalus LC passage - 1,500-5,000 individuals A4i, B1i
Pygmy Cormorant Microcarbo pygmaeus LC breeding 1989-1996 150 breeding pairs A1, B1i, B3
Pygmy Cormorant Microcarbo pygmaeus LC winter - 58-315 individuals A1
Great Cormorant Phalacrocorax carbo LC breeding - 2,650-3,000 breeding pairs A4i, B1i

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2016 high near favourable high
Was the whole site covered? Yes State assessed by Habitat
Accuracy of information medium

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Pollution agricultural & forestry effluents - herbicides and pesticides happening now some of area/population (10-49%) moderate to rapid deterioration high

Condition of habitat (state)
Habitat Habitat Detail Reference Area (ha) Actual Area (ha) % of habitat remaining % of carrying capacity (overall) Result
Wetlands (inland) Standing freshwater 0 0 good (> 90%) moderate (70-90%) unfavourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity high
For more information about IBA monitoring please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Lake Kus Ramsar Site, Wetland of International Importance 20,400 protected area overlaps with site 16,000
Kusgolu SIT (Law on Protection of Cultural and Natural Assets No. 2863) 100 protected area contained by site 100
Kuscenneti National Park 64 protected area contained by site 17,058


IUCN Habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest -
Wetlands (inland) Standing freshwater, Water fringe vegetation -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
water management -
urban/industrial/transport -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Manyas Lake (Kuş Lake). Downloaded from on 28/09/2020.