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

Populations meeting IBA criteria ('trigger species') at the site:

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

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2016) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Wetlands (inland)	good (>90%)	moderate (70–90%)	moderate

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Pollution	happe­ning now	some of popul­ation/area (10–49%)	moderate decline (10–30% over 3 gener­ations)	high

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Whole area (>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

Year	Protected Area	Designation (management category)	% coverage of IBA
1959	Kuscenneti	National Park (IV)	78
1981	Kusgolu	SIT (Law on Protection of Cultural and Natural Assets No. 2863) (-)	<1

Habitat	% of IBA	Habitat detail
Wetlands (inland)	95	Standing freshwater; Water fringe vegetation
Forest	5	Alluvial and very wet forest

Land use	% of IBA
water management	80
urban/industrial/transport	80
agriculture	10
fisheries/aquaculture	10

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Manyas Lake (Kuş Lake) (Türkiye). Downloaded from https://datazone.birdlife.org/site/factsheet/manyas-lake-(kuş-lake)-iba-türkiye on 23/12/2024.