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 |
| Ryukyu Green-pigeon Treron permagnus | LC | resident (2003) | present | A2 |
| Okinawa Rail Hypotaenidia okinawae | EN | resident (2001) | 900 pairs | A1, A2 |
| Amami Woodcock Scolopax mira | VU | resident (2003) | present | A1, A2 |
| Ryukyu Scops-owl Otus elegans | NT | resident (2003) | present | A2 |
| Okinawa Woodpecker Dendrocopos noguchii | EN | resident (1990–1994) | 146–584 birds | A1, A2 |
| Ryukyu Minivet Pericrocotus tegimae | LC | resident (2003) | present | A2 |
| Okinawa Robin Larvivora namiyei | NT | resident (2003) | present | A2 |
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 |
| Invasive and other problematic species and genes | 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 |
| Little/none of area covered (<10%) | A management plan exists, but it is out of date or not comprehensive | Substantive conservation measures are being implemented, but these are not comprehensive and are limited by resources and capacity | low |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1965 | Nagodake | 都道府県指定鳥獣保護区 (IV) | 1 |
| 1965 | Sate | 都道府県指定鳥獣保護区 (IV) | <1 |
| 1965 | Nishimedake | 都道府県指定鳥獣保護区 (IV) | <1 |
| 1972 | Okinawakaigan | 国定公園 (V) | 28 |
| 1974 | Yonahadake | 都道府県指定鳥獣保護区 (IV) | 2 |
| 2009 | Yanbaru(Yasuda) | 国指定鳥獣保護区 (IV) | 3 |
| 2009 | Yanbaru(Aha) | 国指定鳥獣保護区 (IV) | 1 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Forest | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Yambaru, northern Okinawa forest (Japan). Downloaded from
https://datazone.birdlife.org/site/factsheet/yambaru-northern-okinawa-forest-iba-japan on 23/12/2024.