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Location Estonia, Saare County
Central coordinates 21o 51.00' East  57o 49.00' North
IBA criteria A1, A4i, A4iii, B1i, B1ii, C1, C2, C3, C4, C6
Area 206,640 ha
Altitude
Year of IBA assessment 2003

Eesti Ornitiliigiaühing (EOÜ)



Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Greylag Goose Anser anser non-breeding  2002  270 individuals  unknown  B1i, C3  Least Concern 
Barnacle Goose Branta leucopsis passage  1999-2001  3,900-6,000 individuals  unknown  A4i, B1i, C2  Least Concern 
Tundra Swan Cygnus columbianus passage  1997-1998  200-300 individuals  unknown  A4i, B1i, C2  Least Concern 
Northern Shoveler Spatula clypeata passage  2000-2001  400-1,300 individuals  unknown  B1i, C3  Least Concern 
Greater Scaup Aythya marila passage  1986  20,000 individuals  medium  A4i, B1i, C3  Least Concern 
Common Eider Somateria mollissima non-breeding  2000  15,000 individuals  unknown  B1i, C3  Least Concern 
Melanitta fusca winter  1993  191,000 individuals  unknown  A4i, B1i, C3  Not Recognised 
Long-tailed Duck Clangula hyemalis winter  1993  30,000-700,000 individuals  good  C3  Vulnerable 
Common Goldeneye Bucephala clangula passage  1991-2001  4,500-19,500 individuals  unknown  A4i, B1i, C3  Least Concern 
Smew Mergellus albellus winter  1994-2000  360 individuals  unknown  B1i, C2  Least Concern 
Red-throated Loon Gavia stellata passage  1998  1,300 individuals  unknown  A4i, B1i, C2  Least Concern 
Great Cormorant Phalacrocorax carbo passage  2000-2003  3,300-5,000 individuals  unknown  A4i, B1i, C3  Least Concern 
Great Cormorant Phalacrocorax carbo breeding  2002  2,500 breeding pairs  unknown  A4i, B1i, C3  Least Concern 
White-tailed Sea-eagle Haliaeetus albicilla breeding  2003  6 breeding pairs  unknown  A1, C1, C6  Least Concern 
Pied Avocet Recurvirostra avosetta breeding  2001  17 breeding pairs  unknown  C6  Least Concern 
Caspian Tern Hydroprogne caspia breeding  2002  50 breeding pairs  unknown  A4i, B1i, C2, C6  Least Concern 
Razorbill Alca torda winter  1993  300 individuals  unknown  B1ii, C3  Least Concern 
Black Guillemot Cepphus grylle winter  1993  3,900 individuals  unknown  B1ii, C3  Least Concern 
A4iii Species group - waterbirds winter  1993  500,000-999,999 individuals  unknown  A4iii, C4   
A4iii Species group - waterbirds passage  20,000-49,999 individuals  unknown  A4iii, C4   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Abruka - EE0040401 Habitats Directive 963 protected area contained by site 963  
Abruka hoiuala Limited Management Zone 551 protected area contained by site 551  
Abruka looduskaitseala Nature Reserve 412 protected area contained by site 412  
Allirahu - EE0040402 Habitats Directive 1,960 protected area overlaps with site 1,383  
Allirahu looduskaitseala Nature Reserve 1,960 protected area contained by site 1,960  
Irbe strait Baltic Sea Protected Area (Helcom) 198,817 protected area overlaps with site 190,539  
Jaandi hoiuala Limited Management Zone 14 protected area contained by site 14  
Järve - EE0040408 Habitats Directive 118 protected area is adjacent to site 0  
Kaugatoma-L Habitats Directive 5,375 protected area overlaps with site 595  
Kaugatoma-L Landscape Protection Area 500 protected area contained by site 500  
Kaugatoma-L Limited Management Zone 4,155 protected area overlaps with site 115  
Kaugatoma-Lõu - EE0040441 Birds Directive 5,375 protected area overlaps with site 595  
Kaunispe - EE0040420 Habitats Directive 126 protected area contained by site 126  
Kaunispe hoiuala Limited Management Zone 126 protected area contained by site 126  
Kerju - EE0040421 Habitats Directive 79 protected area contained by site 79  
Kerju p Species Protection Site 79 protected area contained by site 79  
Kura kurgu - EE0040434 Birds Directive 192,970 protected area contained by site 192,970  
Kura kurgu hoiuala Limited Management Zone 188,815 protected area overlaps with site 186,400  
Laidunina - EE0040436 Habitats Directive 84 protected area overlaps with site 78  
Laidunina hoiuala Limited Management Zone 84 protected area overlaps with site 78  
Lindmetsa - EE0040440 Habitats Directive 85 protected area contained by site 85  
Lindmetsa hoiuala Limited Management Zone 34 protected area contained by site 34  
Lindmetsa maastikukaitseala Landscape Protection Area 51 protected area contained by site 51  
M Landscape Protection Area 9 protected area contained by site 9  
Ohessaare - EE0040449 Habitats Directive 20 protected area contained by site 20  
Ohessaare maastikukaitseala Landscape Protection Area 6 protected area contained by site 6  
Rahuste looduskaitseala Nature Reserve 690 protected area overlaps with site 24  
Ranna - EE0040405 Habitats Directive 23 protected area contained by site 23  
Ranna hoiuala Limited Management Zone 23 protected area contained by site 23  
Siplase - EE0040406 Habitats Directive 206 protected area contained by site 206  
Siplase looduskaitseala Nature Reserve 206 protected area contained by site 206  
Stebeli p Species Protection Site 17 protected area contained by site 17  
Tammuna - EE0040479 Habitats Directive 56 protected area contained by site 56  
Tammuna p Species Protection Site 39 protected area contained by site 39  
Torgu p Species Protection Site 9 protected area contained by site 9  
Vesit Limited Management Zone 215 protected area contained by site 215  
Vesit Nature Reserve 161 protected area contained by site 161  
Vesitükimaa - EE0040490 Habitats Directive 1,261 protected area contained by site 1,261  
Viieristi - EE0040494 Habitats Directive 378 protected area contained by site 378  
Viieristi looduskaitseala Nature Reserve 378 protected area contained by site 378  
West Estonian Archipelago UNESCO-MAB Biosphere Reserve 1,560,000 protected area overlaps with site 195,400  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Sea   91%
Forest Broadleaved deciduous woodland; Mixed woodland; Native coniferous woodland  5%
Shrubland   1%
Artificial - terrestrial   1%
Grassland   1%
Wetlands (inland) Water fringe vegetation  1%

Land use

Land-use Extent (% of site)
fisheries/aquaculture 90%
tourism/recreation -
agriculture 2%
forestry 5%
nature conservation and research 92%
hunting -

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Irbe strait. Downloaded from http://www.birdlife.org on 22/08/2014

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