EE021
Siiksaare-Oessaare bays


IBA Criteria

Year of most recent IBA criteria assessment: 2003

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Tundra Swan Cygnus columbianus LC passage 1995-2000 180 individuals A4i, B1i, C2
Barnacle Goose Branta leucopsis LC passage 1991-1999 3,000-5,300 individuals A4i, B1i, C2
Greylag Goose Anser anser LC passage 1993-2000 300 individuals B1i, C3
Gadwall Mareca strepera LC breeding 1996-1997 140 breeding pairs B1i, C3
Gadwall Mareca strepera LC passage 1995-1999 300-500 individuals B1i, C3
Horned Grebe Podiceps auritus VU breeding 1996-1998 15 breeding pairs C6
Little Crake Zapornia parva LC breeding 1996 3 breeding pairs C6
Dunlin Calidris alpina LC breeding 1996-1997 15 breeding pairs C6
Little Gull Hydrocoloeus minutus LC breeding 1996-1997 25 breeding pairs B2
Little Tern Sternula albifrons LC breeding 1993-1999 5-10 breeding pairs C6
Common Tern Sterna hirundo LC breeding 1996-1997 70 breeding pairs C6
Arctic Tern Sterna paradisaea LC breeding 1993-1997 155-210 breeding pairs C6

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 Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
West Estonian Archipelago UNESCO-MAB Biosphere Reserve 1,560,000 protected area contains site 3,902
Siiksaare-Oessaare hoiuala Hoiuala 1,518 protected area overlaps with site 0
Siiksaare-Oessaare hoiuala Limited Management Zone 1,510 protected area contained by site 1,510
Siiksaare-Oessaare Special Protection Area (Birds Directive) 3,973 is identical to site 3,874
Siiksaare-Oessaare Site of Community Importance (Habitats Directive) 3,973 is identical to site 3,874
Nässumaa Site of Community Importance (Habitats Directive) 274 protected area is adjacent to site 0
Nässuma hoiuala Hoiuala 274 protected area is adjacent to site 0
Laidevahe Nature Reserve Nature Reserve 2,442 protected area contained by site 2,442
Laidevahe Nature Reserve Ramsar Site, Wetland of International Importance 2,424 protected area contained by site 2,442
Laidevahe looduskaitseala Looduskaitseala 2,455 protected area contained by site 0
Laidevahe LKA, Silma skv. Looduskaitseala hooldatav sihtkaitsevöönd 159 protected area contained by site 0
Laidevahe LKA, Siiksaare pv. Looduskaitseala piiranguvöönd 215 protected area contained by site 0
Laidevahe LKA, Sandla skv. Looduskaitseala hooldatav sihtkaitsevöönd 787 protected area contained by site 0
Laidevahe LKA, Rukla skv. Looduskaitseala looduslik sihtkaitsevöönd 108 protected area contained by site 0
Laidevahe LKA, Põldealuse skv. Looduskaitseala hooldatav sihtkaitsevöönd 239 protected area contained by site 0
Laidevahe LKA, Oessaare skv. Looduskaitseala hooldatav sihtkaitsevöönd 128 protected area contained by site 0
Laidevahe LKA, Liivi lahe skv. Looduskaitseala hooldatav sihtkaitsevöönd 92 protected area contained by site 0
Laidevahe LKA, Liivi lahe pv. Looduskaitseala piiranguvöönd 470 protected area contained by site 0
Laidevahe LKA, Laidevahe skv. Looduskaitseala hooldatav sihtkaitsevöönd 229 protected area contained by site 0
Laidevahe LKA, Kukessaare pv. Looduskaitseala piiranguvöönd 30 protected area contained by site 0

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland, Native coniferous woodland -
Wetlands (inland) Water fringe vegetation, Standing freshwater -
Sea -
Grassland -
Artificial/Terrestrial Arable land -
Shrubland -
Coastline Lagoons -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
forestry -
nature conservation and research -
hunting -
tourism/recreation -
For further information about the land use classification please click here.


Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Siiksaare-Oessaare bays. Downloaded from http://www.birdlife.org on 30/05/2020.