Meriç Delta

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
Mute Swan Cygnus olor LC winter 1993-1999 1,244-8,900 individuals A4i, B1i
Whooper Swan Cygnus cygnus LC winter 1996-1998 214-1,200 individuals A4i, B1i, B3
Common Pochard Aythya ferina VU winter 1996 15,528 individuals A4i, B1i
Common Teal Anas crecca LC winter 1999 12,400 individuals B1i
Common Coot Fulica atra LC winter 1999 31,300 individuals B1i
Eurasian Spoonbill Platalea leucorodia LC breeding 1989-1996 40 breeding pairs B1i, B2
Eurasian Spoonbill Platalea leucorodia LC passage 2000 231 individuals A4i, B1i
Glossy Ibis Plegadis falcinellus LC breeding 1989-1996 100 breeding pairs B2
Ixobrychus minutus NR breeding 1989-1996 50 breeding pairs B2
Black-crowned Night-heron Nycticorax nycticorax LC breeding 1989-1996 200 breeding pairs B2
Squacco Heron Ardeola ralloides LC breeding 1989-1996 300 breeding pairs A4i, B1i, B2
Purple Heron Ardea purpurea LC breeding 1989-1996 100 breeding pairs B2
Egretta garzetta NR breeding 1993-1994 400 breeding pairs A4i, B1i
Dalmatian Pelican Pelecanus crispus NT winter 1993-1998 51-610 individuals A1, A4i, B1i
Pygmy Cormorant Microcarbo pygmaeus LC winter 1994-1998 128-20,000 individuals A1, A4i, B1i
Great Cormorant Phalacrocorax carbo LC winter 1999 9,300 individuals A4i, B1i
Himantopus himantopus NR breeding 1994 300 breeding pairs A4i, B1i
Collared Pratincole Glareola pratincola LC breeding 1989-1994 200 breeding pairs A4i, B1i, B2
Little Tern Sternula albifrons LC breeding 1989-1996 200 breeding pairs B2
Whiskered Tern Chlidonias hybrida LC breeding 1989-1993 500 breeding pairs A4i, B1i, B2
Greater Spotted Eagle Clanga clanga VU winter - 6 individuals A1
A4iii Species group - waterbirds n/a winter - 48,440-73,212 individuals A4iii

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 low
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
Biological resource use hunting & collecting terrestrial animals - intentional use (species being assessed is the target) happening now some of area/population (10-49%) very rapid to severe 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
Most of site (50-90%) covered (including the most critical parts for important bird species) No management planning has taken place Some limited conservation initiatives are in place low
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)
Merýc Deltasý SIT (Law on Protection of Cultural and Natural Assets No. 2863) 7,000 protected area contained by site 7,000
Meriç Delta Ramsar Site, Wetland of International Importance 0 is identical to site 0
Gala Lake National Park 0 is identical to site 0


IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) Standing freshwater, Water fringe vegetation -
Artificial/Terrestrial Arable land -
Coastline Tidal rivers & enclosed tidal waters, Lagoons -
For further information about the habitat classification please click here.

Land use

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

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Meriç Delta. Downloaded from on 02/04/2020.