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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') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Black-crowned Night Heron Nycticorax nycticorax	LC	breeding	1989-1996	250 breeding pairs	B2
Pygmy Cormorant Microcarbo pygmaeus	LC	breeding	1989-1995	30 breeding pairs	A1

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2004) may differ.

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%)	near favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Natural system modifications	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Pollution	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 areas	Management plan	Other action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A management plan exists but it is out of date or not comprehensive	Some limited conservation initiatives are in place	medium

Year	Protected Area	Designation	% overlap with IBA
1990	Iznik Golu	SIT (Law on Protection of Cultural and Natural Assets No. 2863)	79
2018	İznik Gölü	Wetland of National Importance	100

Habitat1	Habitat detail	% of IBA
Wetlands (inland)	Standing freshwater, Water fringe vegetation	95
Artificial/Terrestrial	Perennial crops, orchards and groves	5

1. IUCN Habitat classification.

Land use	% of IBA
water management	95
urban/industrial/transport	25
fisheries/aquaculture	10
tourism/recreation	10
agriculture	5

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: İznik Lake (Türkiye). Downloaded from https://datazone.birdlife.org/site/factsheet/iznik-lake-iba-türkiye on 23/11/2024.