JP036
Kabushima islet


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
Black-tailed Gull Larus crassirostris LC breeding 2004 present A4i
A4iii Species group - seabirds n/a breeding 2004 min 10,000 breeding pairs A4iii

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)
2015 high not assessed medium
Was the whole site covered? Yes State assessed by unset
Accuracy of information -

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Natural system modifications other ecosystem modifications happening now some of area/population (10-49%) moderate to rapid deterioration high
Transportation and service corridors roads and railroads happening now majority/most of area/population (50-90%) moderate to rapid deterioration high

Condition of habitat (state)
Habitat Habitat Detail Reference Area (ha) Actual Area (ha) % of habitat remaining % of carrying capacity (overall) Result
Grassland 0 0 - moderate (70-90%) unfavourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species Some limited conservation initiatives are in place medium
For more information about IBA monitoring please click here

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Grassland -
Coastline Sea cliffs and rocky shores -
For further information about the habitat classification please click here.


Recommended citation
BirdLife International (2019) Important Bird Areas factsheet: Kabushima islet. Downloaded from http://www.birdlife.org on 23/05/2019.