Notsuke, Odaitou

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
Brent Goose Branta bernicla LC passage 2003 present A4i
Bean Goose Anser fabalis LC winter 2003 present A4i
Common Goldeneye Bucephala clangula LC winter 2003 present A4i
Greater Scaup Aythya marila LC passage 2003 present A4i
Eurasian Wigeon Mareca penelope LC passage 2003 present A4i
Red-crowned Crane Grus japonensis VU breeding 2003 present A1, A3
Ruddy Turnstone Arenaria interpres LC passage 2003 present A4i
Latham's Snipe Gallinago hardwickii NT breeding 2003 present A3
Grey-tailed Tattler Tringa brevipes NT passage 2003 present A4i
Steller's Sea-eagle Haliaeetus pelagicus VU winter 2003 present A1
Middendorff's Grasshopper-warbler Helopsaltes ochotensis LC breeding 2003 present A3

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 medium
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
Whole area of site (>90%) covered by appropriate conservation designation A management plan exists but it is out of date or not comprehensive Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity medium
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Notsuke-hanto and Notsuke-wan Ramsar Site, Wetland of International Importance 6,053 protected area contained by site 6,053
Notsuke hanto-Notsukewan 国指定鳥獣保護区 6,146 protected area overlaps with site 0
Notsuke furen 都道府県立自然公園 17,414 protected area overlaps with site 0
Nemuro kaikyo 沿岸水産資源開発区域 56,178 protected area is adjacent to site 0
Nemuro hanto 沿岸水産資源開発区域 188,808 protected area overlaps with site 0
Common fishery right area(Hokkaido) 共同漁業権区域 4,863,624 protected area overlaps with site 0


IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) Salt marshes -
Coastline -
For further information about the habitat classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Notsuke, Odaitou. Downloaded from on 06/12/2022.