Mouth of Svir river

IBA Criteria

Year of most recent IBA criteria assessment: 2007

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Whooper Swan Cygnus cygnus LC passage 1996 500-1,100 individuals A4i, B1i
Corncrake Crex crex LC breeding 1996 70-100 breeding pairs A1
Whimbrel Numenius phaeopus LC breeding 1996 200-250 breeding pairs B3

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

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Svir Delta Ramsar Site, Wetland of International Importance 60,500 protected area overlaps with site 60,500
Olonetsky Zakaznik (Federal) 27,000 protected area is adjacent to site 0
Nizhne-Svirsky Zapovednik 41,615 protected area overlaps with site 41,600


IUCN Habitat Habitat detail Extent (% of site)
Forest Native coniferous woodland, Alluvial and very wet forest -
Wetlands (inland) Raised bogs, Fens, transition mires and springs, Standing freshwater -
Artificial/Terrestrial Highly improved re-seeded landscapes, Arable land -
Coastline Sand dunes & beaches -
For further information about the habitat classification please click here.

Land use

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

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Mouth of Svir river. Downloaded from on 07/12/2022.