Lake Akkeshi, Bekanbeushi marsh

IBA Criteria

Year of most recent IBA criteria assessment: 2004

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 winter 2003 present A4i
Red-crowned Crane Grus japonensis VU breeding 2003 present A1
Steller's Sea-eagle Haliaeetus pelagicus VU winter 2003 present A1

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 Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2010 low not assessed low
Was the whole site covered? Yes State assessed by unset
Accuracy of information poor

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
No known threats no known threats happening now whole area/population (>90%) no or imperceptible deterioration low

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Little/none of site covered (<10%) A management plan exists but it is out of date or not comprehensive Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity low
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Nenohi 都道府県指定鳥獣保護区 16 protected area contained by site 0
Kushiro tobu 沿岸水産資源開発区域 113,325 protected area is adjacent to site 0
Kiritappu-shitsugen Ramsar Site, Wetland of International Importance 2,504 protected area is adjacent to site 0
Common fishery right area(Hokkaido) 共同漁業権区域 4,863,624 protected area is adjacent to site 0
Akkeshi-ko & Bekambeushi-shitsugen Ramsar Site, Wetland of International Importance 5,277 protected area contained by site 4,896
Akkeshi-Bekanbeushi-Kiritappu 国指定鳥獣保護区 13,064 protected area overlaps with site 10,887
Akkeshi 都道府県指定鳥獣保護区 120 protected area contained by site 3,223
Akkeshi 都道府県立自然公園 21,523 protected area overlaps with site 0


IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) Coastal lagoons, Rivers and streams, Riverine floodplains -
For further information about the habitat classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Lake Akkeshi, Bekanbeushi marsh. Downloaded from on 14/08/2022.