Seda marsh

IBA Justification

The site was identified as important in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
Whooper Swan Cygnus cygnus LC passage 1994-2004 300-600 individuals C2
Bean Goose Anser fabalis LC passage 1994-2004 2,000-5,000 individuals C3
Corncrake Crex crex LC breeding 1994-2004 20-30 breeding pairs C1
Spotted Crake Porzana porzana LC breeding 1994-2004 10-20 breeding pairs C6
Little Crake Zapornia parva LC breeding 1994-2004 5-10 breeding pairs C6
Common Crane Grus grus LC passage 1994-2004 500-700 individuals C2
Eurasian Bittern Botaurus stellaris LC breeding 1994-2004 10-20 breeding pairs C6

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2004).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Ziemeļvidzemes biosfēras rezervāts Biosferas rezervats 475,515 protected area contains site 0
Sedas purvs Site of Community Importance (Habitats Directive) 7,259 is identical to site 0
Sedas purvs Special Protection Area (Birds Directive) 7,259 is identical to site 7,300
Sedas purvs Dabas liegums 7,259 is identical to site 7,239


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Forest Mixed woodland, Broadleaved deciduous woodland, Native coniferous woodland -
Grassland Mesophile grasslands -
Wetlands (inland) Raised bogs, Standing freshwater -
Artificial/Terrestrial Arable land, Highly improved re-seeded landscapes -
Shrubland Scrub -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
forestry -
hunting -
urban/industrial/transport -
fisheries/aquaculture -
nature conservation and research -
tourism/recreation -
agriculture -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Seda marsh. Downloaded from on 07/12/2023.