JP031
Matsumae islets


IBA Justification

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

Populations meeting IBA criteria ('trigger species') at the site:
Species Red List Season (year/s of estimate) Size IBA criteria
Black-tailed Gull Larus crassirostris LC breeding (2003) present A4i
Rhinoceros Auklet Cerorhinca monocerata LC breeding (2003) present A4ii
A4iii Species group - seabirds n/a breeding (2003) min 10,000 pairs A4iii

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2015) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2015 not assessed low low
Whole site assessed? State assessed by Accuracy of information
yes unset -

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Geological events likely in long term (>4 years) whole of popul­ation/area (>90%) no or slight decline (<1% over 3 gener­ations) low
Human intrusions and disturbance likely in long term (>4 years) some of popul­ation/area (10–49%) no or slight decline (<1% over 3 gener­ations) low
Pollution likely in long term (>4 years) some of popul­ation/area (10–49%) no or slight decline (<1% over 3 gener­ations) low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation Planning Action Result
Whole area (>90%) covered by appropriate conservation designation No management planning has taken place Very little or no conservation action taking place low

IBA Protection

Year Protected Area Designation (management category) % coverage of IBA
- Matsumae Prectural National Park Other (-) -
- Matsumae Wildlife Protection Area (Local) Other (-) -
- Matsumae National Monument Other (-) -
1968 Matsumae yagoshi 都道府県立自然公園 (V) 100
1974 Matsumae (Hokkaido) Fisheries Resources Protected Area (-) -
1980 Kojima 都道府県指定鳥獣保護区 (IV) 100

Habitats

Habitat % of IBA Habitat detail
Grassland -
Marine Coastal/Supratidal -


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Matsumae islets (Japan). Downloaded from https://datazone.birdlife.org/site/factsheet/matsumae-islets-iba-japan on 26/12/2024.