Sarobetsu 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
Bean Goose Anser fabalis LC passage 2003 7,000-8,000 individuals A4i

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

IBA Conservation

IBA conservation assessment
Year of assessment (most recent) State (condition) Pressure (threat) Response (action)
2010 not assessed low low
Was the whole site assessed? State assessed by Accuracy of information
yes unset poor

Pressure (threats to the trigger species and/or their habitats)
Threat level 1 Threat level 2 Timing Scope Severity Result
Energy production and mining renewable energy likely in long term (beyond 4 years) small area/few individuals (<10%) no or imperceptible deterioration low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation Management planning Other conservation action Result
Some of site covered (10-49%) A management plan exists but it is out of date or not comprehensive Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity low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 conservation status, please click here

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Yukuru wakasanai 都道府県指定鳥獣保護区 2,832 protected area overlaps with site 0
Soya seibu 沿岸水産資源開発区域 63,853 protected area is adjacent to site 0
Sarobetsu-genya Ramsar Site, Wetland of International Importance 2,560 protected area contained by site 2,560
Sarobetsu 国指定鳥獣保護区 3,739 protected area contained by site 2,560
Rishiri rebun sarobetsu 国立公園 34,825 protected area overlaps with site 0
Kabutonuma 都道府県指定鳥獣保護区 278 protected area contained by site 0
Common fishery right area(Hokkaido) 共同漁業権区域 4,863,624 protected area is adjacent to site 0


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Wetlands (inland) -
For more information about the IUCN Habitat classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Sarobetsu marsh. Downloaded from on 05/12/2023.