Data Zone
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 |
|---|---|---|---|---|
| Japanese Woodpigeon Columba janthina | LC | resident (2003) | present | A2 |
| Swinhoe's Storm-petrel Hydrobates monorhis | NT | resident (2003) | present | A4ii |
| Streaked Shearwater Calonectris leucomelas | NT | breeding (2003) | present | A4ii |
| Japanese Murrelet Synthliboramphus wumizusume | VU | resident (2003) | present | A1 |
| A4iii Species group - seabirds | n/a | breeding (2003) | min 10,000 pairs | A4iii |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2010) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2010 | not assessed | low | low |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | unset | poor | |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| No known threats | happening now | whole of population/area (>90%) | 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 | Unknown | Unknown | low |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1955 | Wakasawan | 国定公園 (V) | 100 |
| 1988 | Kanmurigatake | 都道府県指定鳥獣保護区 (IV) | 100 |
| 2004 | Kanmurijima kutsujima | 都道府県指定鳥獣保護区 (IV) | 100 |
| 2010 | Kanmurijima-Kutsujima | 国指定鳥獣保護区 (IV) | 100 |
| 2014 | Common fishery right area(Kyoto) | 共同漁業権区域 (VI) | 9 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Marine Coastal/Supratidal | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Kanmurijima and Kutsujima islets (Japan). Downloaded from
https://datazone.birdlife.org/site/factsheet/kanmurijima-and-kutsujima-islets-iba-japan on 23/12/2024.