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Location Turkey, Aydin
Central coordinates 27o 11.00' East  37o 32.00' North
IBA criteria A1, A4i, A4iii, B1i, B2
Area 16,960 ha
Altitude 0 - 100m
Year of IBA assessment 2004

Doga Dernegi (Partner Designate)



Site description Situated at the junction between the Büyük Menderes river and the Aegean, the delta comprises lagoons (separated from the sea by a narrow sandbar), extensive salt-steppe and mudflats. A north-south running motorway forms the eastern border of the IBA; west of this salt-steppe has been partially converted to arable land. To the north the delta is bordered by the hills and mountains of the Dilek peninsula. Human activities include cattle- and sheep-grazing.

Key Biodiversity The area is important for breeding and wintering waterbirds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Ruddy Shelduck Tadorna ferruginea non-breeding  1992  200 individuals  B1i  Least Concern 
Eurasian Wigeon Mareca penelope winter  1992  5,623 individuals  B1i  Least Concern 
Greater Flamingo Phoenicopterus roseus winter  6,290-14,899 individuals  A4i, B1i  Least Concern 
Dalmatian Pelican Pelecanus crispus breeding  42 breeding pairs  A1, A4i, B1i, B2  Vulnerable 
Dalmatian Pelican Pelecanus crispus winter  137-434 individuals  A1, A4i, B1i  Vulnerable 
Pygmy Cormorant Microcarbo pygmaeus winter  1989  130-350 individuals  A1  Least Concern 
Great Cormorant Phalacrocorax carbo winter  1996  1,000-3,005 individuals  B1i  Least Concern 
Common Coot Fulica atra winter  21,000-32,535 individuals  B1i  Least Concern 
Pied Avocet Recurvirostra avosetta winter  106-1,000 individuals  B1i  Least Concern 
Charadrius alexandrinus breeding  150 breeding pairs  B1i, B2  Not Recognised 
Charadrius alexandrinus winter  2002  530 individuals  B1i  Not Recognised 
Collared Pratincole Glareola pratincola breeding  85 breeding pairs  B1i, B2  Least Concern 
Caspian Tern Hydroprogne caspia breeding  6 breeding pairs  B2  Least Concern 
Caspian Tern Hydroprogne caspia passage  97 individuals  B1i  Least Concern 
A4iii Species group - waterbirds winter  29,982-72,697 individuals  A4iii   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Buyukmenderes Deltasi UOSA Wetlands of International Importance (Ramsar) 0 unknown 0  
Menderes delta Other Area 10,000 protected area contains site 9,800  
Menderes Delta NP National Park 27,675 protected area contains site 16,960  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Coastline Lagoons; Mud flats & sand flats; Salt marshes  80%
Artificial - terrestrial Arable land  20%

Land use

Land-use Extent (% of site)
agriculture 20%
fisheries/aquaculture 30%
hunting 15%
not utilised 35%

Protection status National High International None9,800 ha of IBA covered by National Park (Menderes Deltasý, 27,675 ha). 9,800 ha of IBA covered by SÝT (Menderes Deltasý, 9,800 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Büyük Menderes Delta. Downloaded from http://www.birdlife.org on 26/11/2014

To provide new information to update this factsheet or to correct any errors, please email BirdLife