Data Zone
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 |
|---|---|---|---|---|---|
| Streaked Shearwater Calonectris leucomelas | NT | breeding | 2004 | present | A4ii |
| Black-tailed Gull Larus crassirostris | LC | resident | 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
| Most recent IBA monitoring assessment | |||
|---|---|---|---|
| Year of assessment | Threat score (pressure) | Condition score (state) | Action score (response) |
| 2015 | low | 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 |
| Energy production and mining | renewable energy | likely in long term (beyond 4 years) | some of area/population (10-49%) | no or imperceptible deterioration | low |
| Geological events | earthquakes/tsunamis | past (and unlikely to return) and no longer limiting | some of area/population (10-49%) | no or imperceptible deterioration | low |
| Condition of habitat (state) | ||||||
|---|---|---|---|---|---|---|
| Habitat | Habitat Detail | Reference Area (ha) | Actual Area (ha) | % of habitat remaining | % of carrying capacity (overall) | Result |
| Forest | 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 |
Protection status:
| Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
|---|---|---|---|---|
| Sanriku Fukko (reconstruction) | 国立公園 | 54,795 | protected area contains site | 0 |
| Sanganjima | 国指定鳥獣保護区 | 25 | protected area contains site | 22 |
| Rikuchu - Kaigan | National Park | 12,212 | protected area contains site | 25 |
| Common fishery right area(Iwate) | 共同漁業権区域 | 76,326 | protected area is adjacent to site | 0 |
| IUCN Habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Coastline | Sea cliffs and rocky shores | - |
| Forest | - |
Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Sanganjima islet. Downloaded from
http://www.birdlife.org on 16/01/2021.
