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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
Ruddy Shelduck Tadorna ferruginea	LC	non-breeding	1992	200 individuals	B1i
Eurasian Wigeon Mareca penelope	LC	winter	1992	5,623 individuals	B1i
Greater Flamingo Phoenicopterus roseus	LC	winter	-	6,290-14,899 individuals	A4i, B1i
Eurasian Coot Fulica atra	LC	winter	-	21,000-32,535 individuals	B1i
Dalmatian Pelican Pelecanus crispus	NT	breeding	1989-1996	42 breeding pairs	A1, A4i, B1i, B2
Dalmatian Pelican Pelecanus crispus	NT	winter	-	137-434 individuals	A1, A4i, B1i
Pygmy Cormorant Microcarbo pygmaeus	LC	winter	1988-1989	130-350 individuals	A1
Great Cormorant Phalacrocorax carbo	LC	winter	1993-1996	1,000-3,005 individuals	B1i
Pied Avocet Recurvirostra avosetta	LC	winter	-	106-1,000 individuals	B1i
Kentish Plover Charadrius alexandrinus	LC	breeding	1989-1996	150 breeding pairs	B1i, B2
Kentish Plover Charadrius alexandrinus	LC	winter	2002	530 individuals	B1i
Collared Pratincole Glareola pratincola	LC	breeding	1989-1996	85 breeding pairs	B1i, B2
Caspian Tern Hydroprogne caspia	LC	breeding	1989-1996	6 breeding pairs	B2
Caspian Tern Hydroprogne caspia	LC	passage	-	97 individuals	B1i
A4iii Species group - waterbirds	n/a	winter	-	29,982-72,697 individuals	A4iii

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
Marine Intertidal	good (> 90%)	good (> 90%)	favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Energy production and mining	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
Most of site (50-90%) covered (including the most critical parts for important bird species)	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	medium

Year	Protected Area	Designation	% overlap with IBA
-	Buyukmenderes Deltasi UOSA	Wetland of National Importance	-
-	Menderes delta	Other Area	100
1993	Menderes Delta NP	National Park	100

Habitat1	Habitat detail	% of IBA
Artificial/Terrestrial	Arable land	20
Marine Coastal/Supratidal		major (>10)
Marine Intertidal		major (>10)

1. IUCN Habitat classification.

Land use	% of IBA
not utilised	35
fisheries/aquaculture	30
agriculture	20
hunting	15

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Büyük Menderes Delta (Türkiye). Downloaded from https://datazone.birdlife.org/site/factsheet/büyük-menderes-delta-iba-türkiye on 22/11/2024.