Data Zone
Country/territory: Japan
IBA criteria met: A1, A2, A4ii (2004)
For more information about IBA criteria, please click here
Area: 97 hectares (0.97 km2)
| IBA conservation status | |||
|---|---|---|---|
| Year of assessment (most recent) | State (condition) | Pressure (threat) | Response (action) |
| 2015 | good | high | medium |
| For more information about IBA monitoring, please click here | |||
Site description (2007 baseline)
Okinoshima is an islet off of Fukuoka City having an area of 85 ha. The northwest and south sides of the islet are covered with deep forests mainly composed of Machilus tunbergii. Koyajima is a rocky reef situated about 1km south-southeast of Okinoshima. There are no trees covering the rocky reef leaving it almost naked except Carex oahuensis.
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Okinoshima and Koyajima islets (Japan). Downloaded from
https://datazone.birdlife.org/site/factsheet/okinoshima-and-koyajima-islets-iba-japan on 22/12/2024.