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Location Estonia, Saare County
Central coordinates 22o 44.00' East  58o 15.00' North
IBA criteria A4i, B1i, C2, C3
Area 2,183 ha
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  1994  450 individuals  unknown  B1i, C3  Least Concern 
Barnacle Goose Branta leucopsis passage  1999-2000  4,130 individuals  unknown  A4i, B1i, C2  Least Concern 
Gadwall Mareca strepera passage  1999  1,170 individuals  unknown  B1i, C3  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Kasti lahe hoiuala Limited Management Zone 3,726 protected area overlaps with site 11  
Sutu lahe hoiuala Limited Management Zone 2,141 protected area overlaps with site 2,095  
West Estonian Archipelago UNESCO-MAB Biosphere Reserve 1,560,000 protected area contains site 2,183  


IUCN habitat Habitat detail Extent (% of site)
Sea   77%
Wetlands (inland) Water fringe vegetation  5%
Grassland   9%
Shrubland   7%
Artificial - terrestrial Arable land  2%

Land use

Land-use Extent (% of site)
agriculture 10%
forestry 3%
fisheries/aquaculture 75%
nature conservation and research 97%
hunting -
tourism/recreation -

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Sutu bay. Downloaded from on 28/10/2016

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